Advanced Wear Resistant Steel Plates: The Ultimate Sourcing & Application Guide
When fabricating heavy-duty machinery, mining equipment, or cement mixers, standard carbon steel simply cannot survive the harsh reality of abrasive wear. However, specifying "Wear-Resistant (AR) Steel" is no longer just about picking a Brinell Hardness number (e.g., 400 HBW or 500 HBW).
At GNEE Steel, we understand that abrasion rarely happens in a vacuum. It is often combined with freezing temperatures, corrosive sludge, extreme heat, or massive impacts. To solve these complex engineering challenges, we have developed and stock a comprehensive portfolio of Specialized Wear-Resistant Steels.
Below is our definitive guide to selecting the exact wear-fighter for your specific project environment.
1.High Manganese Austenitic Wear-Resistant Steel (Mn13 / X120Mn12 / Mn12)
High manganese austenitic steels, such as Mn13, X120Mn12, and Mn12, are renowned for their exceptional toughness and remarkable surface work-hardening properties.
Unlike standard wear plates, when these steels are subjected to strong impact loads or extrusion loads, the stressed surface rapidly work-hardens. The surface hardness can be significantly increased from an initial HB200 to over HB750, while the core of the steel plate maintains its original, excellent impact toughness. This means the material will not shatter under extreme pounding.
Due to this unique property, it is widely used in the mining equipment and heavy machinery manufacturing industries, where severe impact and severe abrasion occur simultaneously.
Product Performance and Available Specifications
| Steel Grade | Yield Strength (MPa) Typical | Tensile Strength (MPa) Typical | Elongation A50mm (%) Typical | Brinell Hardness (HBW) Typical | Available Specifications (mm) |
| Mn13 | ≥300 (471) | ≥700 (1010) | ≥24 (45) | ≥170 (210) | 3.0~25.0x1000~2050 |
| X120Mn12 | ≥300 (465) | ≥700 (1020) | ≥20 (41) | ≥170 (220) | 3.0~25.0x1000~2050 |
| Mn12 | ≥300 (475) | ≥700 (1020) | ≥20 (42) | ≥170 (220) | 3.0~25.0x1000~2050 |
Real-World Application Cases
Our high-manganese wear-resistant steel plates are the preferred choice for heavy-duty applications:
✅ Mining Machinery: Body structures and impact liners made of Mn13 to withstand massive rock impacts.
Mining machine made of high-manganese austenitic wear-resistant steel Mn13
✅ Shot Blasting Equipment: Protective inner chamber liners made of high-manganese austenitic steel to resist continuous high-velocity abrasive shot wear.
Shot blasting equipment made of high-manganese austenitic wear-resistant steel Mn13
✅ Large-Scale Jaw Crushers: Providing the ultimate balance of shatter-resistance and extreme surface wear life.
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2.High-quality tempered wear-resistant steel
In the manufacturing of heavy-duty dump trucks, mining equipment, and cement mixers, balancing extreme abrasion resistance with vehicle weight has always been an engineering challenge.
Our High-Quality Quenched and Tempered (Q&T) wear-resistant steel series-strictly produced under the GB/T 24186-2022 standard-offers the solution. By delivering consistent Brinell hardness (from 400 to 600 HBW) and exceptional cold-bending properties, our NM-series plates serve as the ultimate cost-effective alternative to world-renowned brands, allowing OEMs to maximize payload capacity without sacrificing service life.
Global Delivery Standards & Equivalent Grades
Sourcing wear plates internationally requires precise metallurgical matching. Below is the cross-reference chart demonstrating how our NM-series aligns with top-tier global standards:
| Our Steel Grade | Executive Standard | JFE Equivalent | SSAB Equivalent |
| NM400 | GB/T 24186-2022 | EH400 | HARDOX 400 |
| NM450 | GB/T 24186-2022 | EH450 | HARDOX 450 |
| NM500 | GB/T 24186-2022 | EH500 | HARDOX 500 |
| NM550 | GB/T 24186-2022 | - | HARDOX 550 |
| NM600 | GB/T 24186-2022 | - | HARDOX 600 |
Guaranteed Mechanical Properties & Hardness Specifications
| Steel Grade | Yield Strength (MPa) Min (Typical) | Tensile Strength (MPa) Min (Typical) | Elongation A50mm (%) Min (Typical) | Brinell Hardness (HBW) Range (Typical) | Available Specifications (mm) |
| NM400 | ≥ 1000 (1150) | ≥ 1200 (1380) | ≥ 10 (16.4) | 370 ~ 430 (405) | 2.0 - 25.0 × 1000 - 2050 |
| NM450 | ≥ 1100 (1280) | ≥ 1250 (1490) | ≥ 7 (14.7) | 420 ~ 480 (452) | 2.0 - 25.0 × 1000 - 2050 |
| NM500 | ≥ 1200 (1380) | ≥ 1500 (1670) | ≥ 7 (14.3) | ≥ 470 (506) | 2.0 - 25.0 × 1000 - 2050 |
| NM550 | / | ≥ 1650 | ≥ 6 | ≥ 530 | 4.0 - 25.0 × 1000 - 2050 |
| NM600 | / | ≥ 1750 | ≥ 5 | ≥ 570 | 4.0 - 25.0 × 1000 - 2050 |
The "Downgauging" Revolution: Why Trailer OEMs Choose Our 3mm NM450
The bottom plate and side wall of U-shaped groove dump truck are made of high quality temperedand wear-resistant steel NM450
Currently, wear-resistant steel under 6mm is primarily utilized for the lightweighting of dump truck bodies. We are proud to stably supply ultra-thin specifications down to 3.0mm, with plate shape and cold-bending performance ranking at the absolute top in China.
In fact, we are the only manufacturer in China capable of supplying wear-resistant steel for the demanding "3mm Side Wall & 3mm Bottom Plate"cargo carriage design.
Compared to traditional dump trucks, upgrading to our ultra-thin wear-resistant steel offers three unbeatable commercial advantages:
✅ 1. Massive Lightweighting & Energy Savings: Achieves a remarkable 50% weight reduction when compared to standard 345 MPa grade steel, and a 33% reduction compared to 700 MPa high-strength steel. This drastically lowers fuel consumption and increases the legal payload capacity for vehicle operation.
✅ 2. 3.5x Higher Wear Resistance: Compared to original conventional materials, our specialized Q&T steel delivers a wear resistance that is 3.5 times higher, ensuring a significantly longer service life with minimal maintenance.
✅3.Superior Anti-Smashing & Abrasion Resistance:
The optimized Q&T microstructure delivers dual protection for the carriage. It provides the high yield strength needed to absorb heavy impact loads without denting or deformation (Anti-smashing), while effectively resisting severe sliding wear during continuous loading and unloading cycles (Abrasion resistance).
Looking to reduce your truck bed weight and lower manufacturing costs?
Stop overpaying for imported brand names. Our NM450 and NM500 plates offer the exact same Brinell hardness and workability at a fraction of the cost.
👉 [Send Your Requirements for an Instant NM450 Factory Quote & MTC]
3.High Toughness Crack-resistant and Wear-resistant Steel
If you operate dump trucks or mining excavators in cold climates, you already know the biggest problem with standard 450 HBW or 500 HBW wear plates: They crack under heavy impact.
High hardness usually means high brittleness. When loading heavy rocks at sub-zero temperatures, standard wear steel is prone to brittle fracture and crack propagation.
To solve this, we supply the "Tuf" (High-Toughness & Crack-Resistant) Series-including NM400Tuf, NM450Tuf, and NM500Tuf. These upgraded Q&T plates maintain the exact same surface hardness as traditional wear steel, but drastically increase the impact toughness to stop cracks before they spread.
Technical Specifications & Guaranteed Performance
| Steel Grade | Yield Strength (MPa) [Min / Typical] | Tensile Strength (MPa) [Min / Typical] | Elongation A50mm (%) [Min / Typical] | Brinell Hardness (HBW) [Range / Typical] | Impact Energy at -20°C (J) [Min / Typical] | Available Specs (mm) |
| NM400Tuf | ≥ 1000 (1180) | ≥ 1200 (1390) | ≥ 10 (18.3) | 370 ~ 430 (405) | ≥ 48 (113) | 2.0~25.0x1000~2050 |
| NM450Tuf | ≥ 1100 (1290) | ≥ 1300 (1540) | ≥ 7 (16.5) | 420 ~ 480 (453) | ≥ 48 (106) | 2.0~25.0x1000~2050 |
| NM500Tuf | ≥ 1200 (1390) | ≥ 1500 (1680) | ≥ 7 (14.5) | ≥ 470 (506) | ≥ 38 (70) | 2.0~25.0x1000~2050 |
The Data Behind the "Tuf" Series: 4x Higher Impact Energy
Look closely at the Impact Energy (-20°C) column in the table above.
While the standard requirement for wear-resistant steel is merely passing a basic impact test, our NM450Tuf consistently delivers an impact energy of over 100 Joules at -20°C (Typical value: 106J).
This is 60% to 80% higher than traditional wear-resistant steel, and up to 4 times higher than the national standard baseline. This massive energy absorption capacity effectively inhibits steel plate cracking and halts crack propagation when subjected to severe, blunt-force trauma from loading massive boulders.
Real-World Applications: Built for Severe Hauling
Carriage of dump truck for muck (NM450Tuf)
road transport mining dump truck(NM500Tuf)
The "Tuf" series provides the absolute best match of strength and toughness for heavy construction machinery. Typical applications include:
✅ Muck & Construction Dump Trucks (Using NM450Tuf): Thinner plates can be used to reduce vehicle dead-weight, while the extreme toughness prevents the carriage bottom from denting or splitting under urban demolition debris.
✅ Road Transport Mining Dump Trucks (Using NM500Tuf): Handles the brutal combination of sharp sliding abrasion from iron ore and the severe impact of loading, ensuring structural integrity in off-road mining environments.
Whether you need raw NM450Tuf plates or pre-cut, ready-to-weld dump truck bed kits, we supply them directly from the mill.
Send us your required dimensions and thickness. We will provide the latest factory price list and a sample MTC (Mill Test Certificate) showing our real -20°C impact test results.
📩 [Get an Instant Quote for NM-Tuf Steel Now]
4.NM450SP Super Wear-Resistant Steel: The TiC-Alloyed Alternative to High-Cr Cast Iron
The wear resistance of NM450SP super wear-resistant steel is enhanced by the precipitation of superhard TiC particles. It features equivalent hardness and mechanical properties to NM450 steel, with wear resistance 1.6 times that of ordinary NM450 steel and 1.3 times that of NM550 steel.
We specialize in supplying ultra-thin specification steel plates, and additionally provide rounding and punching processing services. NM450SP steel is ideal for replacing high-chromium cast iron, boasting exceptional plasticity, toughness, and significantly enhanced wear resistance.
By utilizing advanced metallurgical techniques to precipitate super-hard Titanium Carbide (TiC) particles into the steel matrix, NM450SP is engineered to act as a composite material. It delivers the exact same ductility, yield strength, and workshop formability as a standard 450 HBW plate, while achieving unprecedented abrasion resistance.
Specifically, the TiC-alloyed microstructure allows NM450SP to provide:
🔥 1.6 times longer wear life than standard NM450.
🔥 1.3 times longer wear life than NM550.
Technical Specifications & Typical Values
| Steel Grade | Yield Strength (MPa) [Min / Typical] | Tensile Strength (MPa) [Min / Typical] | Elongation A50mm (%) [Min / Typical] | Brinell Hardness (HBW) [Range / Typical] | Available Sizes (mm) |
| NM450SP | ≥ 1100 (1260) | ≥ 1300 (1480) | ≥ 7 (12.5) | 420 ~ 480 (453) | 3.0 ~ 25.0 × 1000~2050 |
(Note: The strong plastic toughness of NM450SP totally eliminates the cracking risks associated with High-Cr cast iron components.)
Proven Application: Cement Mixing Tank Liners
Because of its exceptional balance of high formability (for rolling into curved cylinder shapes) and TiC-enhanced sliding wear resistance, NM450SP is the ultimate material for lining plates in cement mixing tanks, concrete pump trucks, and heavy-duty chutes.
Lining plate in cement mixing tank made of super wear-resistant steel NM450SP
GNEE Steel Fabrication Capabilities: Beyond supplying premium raw plates, our facility is equipped to provide comprehensive deep-processing services for NM450SP, including punching, drilling, and heavy-duty cold rolling (bending) into cylinders to fit complex equipment geometries.
Upgrade your equipment's inner lining with NM450SP. Send us your CAD drawings or required plate dimensions. We supply raw plates or provide full CNC cutting and rolling fabrication services.
📩 [Get the Latest NM450SP Factory Price List & MTC Today]
5.NMS450-1 NMS450-2 Corrosion-resistant and Wear-resistant Steel
Gnee supplies corrosion-resistant and wear-resistant steel, which is mainly used in sanitation trucks, dredging engineering, dredging pipelines, and other industries.
When corrosion and wear occur simultaneously, the wear performance of materials is significantly affected by corrosion resistance. Simply increasing hardness cannot effectively solve the problem of poor wear resistance. Our product is based on low-alloy wear-resistant steel, with special alloying elements added to increase the self-corrosion potential, reduce self-corrosion current density, and minimize the acceleration effect of corrosion on wear.
Technical Specifications & Typical Values
| Steel Grade | Yield Strength (MPa) [Min / Typical] | Tensile Strength (MPa)[Min / Typical] | Elongation A50mm (%) [Min / Typical] | Brinell Hardness (HBW) [Min / Typical] | Available Sizes (mm) |
| NMS450-1 | ≥ 1100 (1270) | ≥ 1300 (1560) | ≥ 7 (16.2) | ≥ 420 (458) | 3.0 ~ 25.0 × 1000~2000 |
| NMS450-2 | ≥ 1100 (1250) | ≥ 1300 (1450) | ≥ 7 (15.5) | ≥ 420 (448) | 3.0 ~ 25.0 × 1000~2000 |
Primary Applications: Sanitation garbage trucks, dredging pipelines, wastewater treatment plants, and wet-processing mining equipment.
Application Case
Application of Corrosion and Wear Resistant Steel in Dredged Pipes and Sanitation Trucks
Get Your Custom Solution Today
- Free sample testing: Request a free sample to verify corrosion resistance and wear performance in your actual working conditions.
- Custom processing service: We provide cutting, bending, and custom fabrication to match your project requirements.
- Quick quotation: Send your specifications (thickness, size, quantity) and we'll reply with a competitive price within 2 hours.
- Case study sharing: Get access to our successful projects in dredging pipelines and sanitation trucks to see real-world results.
👉 Contact us now to extend the service life of your equipment and reduce maintenance costs!
6.High Temperature and Wear Resistant Steel NM450HiTemp
Gnee supplies high temperature and wear resistant steel, which is designed to address the pain points of high-weight, poor safety, and high-cost components in metallurgy, coking, and other high-temperature industries.
Traditional solutions (such as ordinary carbon steel + ceramic lining plates) are no longer cost-effective. Our NM450HiTemp high temperature wear-resistant steel plate is based on advanced alloy design, which effectively meets the needs of lightweight, long service life, and cost reduction for key high-temperature wear components. It provides a cost-effective wear-resistant solution for high-temperature environments ranging from 300°C to 500°C.
Product Performance and Available Specifications
| Steel grade | Yield strength (Typical) MPa | Tensile strength (Typical) MPa | Elongation (Typical) A₅₀% (%) | Brinell Hardness (Typical) HBW | Available specification (mm) |
|---|---|---|---|---|---|
| NM450HiTemp | ≥1100 (1260) | ≥1300 (1540) | ≥7 (15.6) | ≥420 (456) | 3.0~25.0 × 1000–2050 |
Application Case
Blade made of heat and wear resistant steel NM450HiTemp: sand and stone heating drum (left) and recycled material heating drum (right)
Blades Made of Heat and Wear Resistant Steel NM450HiTemp
Our NM450HiTemp steel is widely used in high-temperature wear scenarios, such as sand and stone heating drums (left) and recycled material heating drums (right). It delivers stable wear resistance under continuous high-temperature operation, significantly extending the service life of key components and reducing maintenance frequency.
Upgrade your equipment's inner lining with NM450SP. Send us your CAD drawings or required plate dimensions. We supply complete plates and provide full CNC cutting and rolling fabrication services.
📩 [Get the Latest NM450SP Factory Price List & MTC Today]
7.Wear-resistant Steel for Concrete Mixer Drum NM300TP
Gnee supplies NM300TP low yield-strength ratio wear-resistant steel, which can be stably produced in ultra-thin specifications down to 3.0mm, with leading domestic performance in yield ratio, flatness, and other indicators.
Applying NM300TP to concrete mixer drums can greatly enhance the core competitiveness of mixer trucks:
- Weight reduction: Drum weight can be reduced by 30–40% compared to ordinary vehicles.
- Cost saving: Welding volume reduced by over 30%, cutting volume by over 40%, and manufacturing cost by over 30%.
- Longer service life: Drum service life is 1–3 times higher than traditional carbon steel and high-strength steel, lowering vehicle operation costs.
Application Case
Lining plate in cement mixing tank made of super wear-resistant steel NM450SP
Our NM300TP wear-resistant steel is used to manufacture lightweight, high-durability concrete mixer drums, delivering reliable performance in heavy-duty concrete mixing operations.
Upgrade your concrete mixer drum with NM300TP lightweight wear-resistant steel. Get the full case details of cement mixing tank liners made from NM450SP super wear-resistant steel.
Send us your mixer drum CAD drawings or plate specs → We supply ready-to-install plates with CNC cutting, rolling, and welding services.
Premium Abrasion Resistant Steel Plates: Global Equivalents & Sourcing Guide
What is a Abrasion Resistant Steel?
Abrasion Resistant (AR) steel plate is not your typical structural steel. It is a high-carbon alloy steel engineered specifically to withstand severe sliding and impact wear. Manufactured through a rigorous Quenching and Tempering (Q&T) process, AR steel develops a martensitic microstructure that achieves extreme surface hardness-typically ranging from 400 to 600 Brinell Hardness (HBW)-without sacrificing the core toughness required to prevent brittle fracture.
For manufacturers of mining equipment, dump trucks, and excavators, choosing the right AR steel means extending the lifespan of your heavy machinery by 3x to 5x compared to standard mild steel (like A36 or S355).
Global Abrasion Resistant Steel Equivalent Grades Chart
Sourcing AR steel globally can be confusing due to various brand names and regional standards. Below is a definitive cross-reference chart to help your engineering team find the exact equivalent grade.
| Hardness Level (HBW) | Generic / US Market | China (GB/T 24186) | SSAB (Sweden) | ThyssenKrupp (Germany) | JFE (Japan) | Application Focus |
| 400 HBW | AR400 | NM400 | Hardox 400 | XAR 400 | JFE-EH400 | Excellent bendability and weldability. |
| 450 HBW | AR450 | NM450 | Hardox 450 | XAR 450 | JFE-EH450 | The "Sweet Spot". Balances hardness and formability. |
| 500 HBW | AR500 | NM500 | Hardox 500 | XAR 500 | JFE-EH500 | High sliding wear. Difficult to bend. |
| 600 HBW | AR600 | NM600 | Hardox 600 | XAR 600 | - | Extreme abrasion. Used for flat wear liners only. |
Disclaimer: Brand names like Hardox® and XAR® are trademarks of their respective owners. Chinese NM-series (Nai Mo) steels offer highly cost-effective metallurgical equivalents.
What About Severe Impact Wear? The Magic of High Manganese Steel (Mn13 / X120Mn12)
While traditional Q&T martensitic steels (like NM500 or AR500) excel at resisting sliding abrasion, they can sometimes face the risk of micro-cracking when subjected to massive, blunt-force impact.
If your equipment takes a heavy beating-such as rock crushers, scrap shredders, or shot-blasting cabinets-you need Austenitic High Manganese Steel (often called Hadfield Steel).
Global Equivalents for High Manganese Steel:
China (GB): Mn13
Europe (EN 1.3401): X120Mn12
USA (ASTM): ASTM A128 (Grade A/B/C)
Why X120Mn12 / Mn13 is the Ultimate Impact Fighter:
The brilliance of this alloy lies in its unique "Work-Hardening" (Strain-Hardening) property.
In its delivery state, Mn13 plate is relatively soft and ductile (around 200-250 HBW), making it moderately formable. However, once put into service and subjected to severe impact or pounding, the surface layer rapidly hardens up to 500 - 600 HBW, while the core remains incredibly tough and shatter-resistant.
Simply put: The harder you smash it, the harder it gets.
Advantages of Abrasion-Resistant Steel: Why Upgrade from Mild Steel?
Upgrading your heavy equipment from standard structural steel (like ASTM A36 or S355) to a Quenched and Tempered (Q&T) abrasion-resistant plate is not just a material change-it is a strategic engineering decision that directly impacts your bottom line.
Here is why top-tier OEMs and mining contractors insist on AR steel:
1. Maximized Uptime and 3x–5x Longer Service Life
The primary enemy of mining and construction equipment is sliding and impact wear caused by abrasive materials (rocks, sand, coal, and scrap metal). The martensitic microstructure of AR400 and AR500 steel provides exceptional resistance to gouging and scratching.
The Result: Wear liners and excavator buckets last 300% to 500% longer than those made of mild steel. This dramatically reduces the Mean Time Between Failures (MTBF) and minimizes costly unscheduled maintenance downtime.
2. Payload Optimization (The "Thinner but Stronger" Paradigm)
Higher hardness and yield strength allow engineers to design with thinner plates without sacrificing structural integrity.
The Result: By downgauging the steel thickness on a dump truck body or a tipper trailer from 10mm (mild steel) to 6mm (NM450 AR steel), you can shed thousands of pounds of "dead weight." This translates directly into higher payload capacity, better fuel efficiency, and a lower carbon footprint per haul.
3. Hardness Meets Superior Impact Toughness (No Brittle Fracture)
A common misconception is that "harder steel is more brittle." Standard AR steel plates undergo a precise Quenching and Tempering (Q&T) metallurgical process.
The Result: The quenching provides the extreme surface hardness (up to 600 HBW) to resist abrasion, while the tempering process restores the core toughness. This ensures the steel can absorb massive impact shocks (e.g., heavy boulders dropping into a hopper) without cracking or catastrophic brittle fracture.
4. Surprisingly Good Workshop Workability
Despite their extreme hardness, modern AR steel grades (specifically NM400 and NM450) are highly refined with low carbon equivalents (CEV).
The Result: They offer excellent cold formability and weldability. With the right workshop parameters, local fabricators can still cut, bend, and weld these plates using conventional methods, avoiding the need for expensive, specialized joining techniques.
Engineer's Tip: Are you currently replacing your A36 wear liners every 6 months?
Switching to an NM450 equivalent plate often pays for itself in less than a year through reduced maintenance labor and material replacement costs.
Which Abrasion-Resistant Wear Fighter Is Right for You?
Bigger hardness numbers don't always mean a better choice. The harder the steel, the harder it is to cut, bend, and weld in your workshop. Here is how to choose your wear fighter based on your specific fabrication needs:
1. The All-Rounder: AR400 / NM400
- Best for: Dump truck bodies, hoppers, silos, and conveyors.
- Why choose it: It offers excellent cold forming properties. If your fabrication process requires significant bending or rolling, 400 HBW steel will not crack easily during press braking.
2. The Upgraded Standard: AR450 / NM450
- Best for: Excavator buckets, cutting edges, and heavy-duty tipper trailers.
- Why choose it: It is the industry's "sweet spot." An extra 50 Brinell points provide significantly better wear life than 400, while still allowing for reasonable workshop workability.
3. The Heavy-Duty Brawler: AR500 / NM500
- Best for: Crusher liners, shredder knives, and mining screens.
- Why choose it: Built for extreme sliding wear and heavy impact. Note: Due to its extreme hardness, cold bending is highly restricted. It is typically used as flat wear plates bolted or welded onto structural frames.
Low Price NM450 NM400 NM500 NM550 10mm 12mm 15mm 16mm 6mm NM400 Wear Resistant Steel Plate Nm450 Wear Plate
Wear-resistant plate with high wear resistance and good impact performance is good, can be cutting, bending, welding, etc.,can adopt welding, plug welding, bolt connection way to connect with other structures, such as the scene of the maintenance process possesses the characteristics of time saving, convenient and widely used in metallurgy, coal, cement, power station,glass, mining, building materials, brick and petrochemical industry, compared with other materials, has a high cost performance,has been favored by more and more buyers.
Wear resistant steels are developed for applications where high wear resistant performance is required, such as dumper, garbage vehicle, concrete mixer truck, industrial air fan, hopper, crusher, machinery for coal, grain, cement, grab bucket, etc
(1) handling machinery and equipment: unloading mill chain plate, hopper liner, grab the edge plate, and automatic tipper tipping plate;
(2) of construction machinery equipment: Cement pusher plate, concrete mixer liner, mixing building lining board. Dust collector liner;
(3) metallurgical machinery equipment: iron ore sintering conveying elbow, iron ore sintering machine liner, scraper machine liner;
4) mining machinery and equipment: aggregate, stone crusher liner, blade;
(5) other mechanical equipment: sand barrel, blade, a variety of port machinery wear part;
(6) of thermal power equipment: coal mill lining board Coal, coal conveying pipe, coal distributor frame,unloading equipment lining plate;
(7) shot blasting machinery: shot blasting machine lining board;
(8) engineering machinery and equipment: loaders, bulldozers, excavators;
Beyond Raw Plates: Our Custom AR Steel Fabrication & Machining Services
Working with 400-600 HBW steel is notoriously difficult. It destroys standard drill bits, requires massive press brake tonnage, and demands strict thermal control during cutting.
Instead of struggling with tooling wear and local high labor costs, many OEMs and mining contractors send us their CAD drawings (.dwg or .dxf). GNEE Steel provides one-stop custom fabrication services, delivering ready-to-install wear parts directly to your assembly line.
1. Precision Profiling & Cutting (Minimizing the HAZ)
Thermal cutting of high-hard steel can alter its microstructure, creating a "soft edge" in the Heat-Affected Zone (HAZ). We utilize advanced cutting technologies to maintain the steel's core hardness:
Fiber Laser Cutting: Ideal for NM400/NM450 plates up to 20mm thick. Provides extreme precision (±0.2mm tolerance) with minimal HAZ, requiring zero post-cut edge machining.
High-Definition Plasma & Underwater Plasma: For plates up to 50mm. Cutting underwater significantly absorbs the heat, protecting the martensitic structure of AR500/AR600 from softening.
Oxy-Fuel (Flame) Cutting: Used for ultra-thick plates (up to 150mm). We apply strict pre-heating protocols (75°C - 150°C) prior to cutting to prevent hydrogen-induced delayed cracking.
2. Heavy-Duty Bending & Rolling
Bending AR steel requires huge machine power and an understanding of its massive "springback" effect.
Equipped with heavy-duty CNC press brakes (up to 3000 Tons), we can cold-bend NM400 and NM450 plates up to 50mm thick.
We calculate the exact minimum bending radius and utilize specialized bottom V-dies to prevent surface cracking during the forming of U-shaped truck beds and chute liners. (Note: NM500 and NM600 are generally not recommended for cold bending and are supplied as flat liners).
3. CNC Drilling, Countersinking & Tapping
Machining holes in 500 HBW steel is a nightmare for standard workshops.
We use specialized solid carbide and Cobalt-alloyed High-Speed Steel (HSS-Co) cutting tools running at high feed pressure and low RPM.
We can machine countersunk holes (perfect for plow bolts in wear liners), counterbored holes, and perform precise thread tapping for bolt-on replaceable wear plates.
Popular Ready-to-Install Wear Parts We Manufacture:
✅ Excavator Bucket Lips & Cutting Edges: Beveled and drilled to your OEM specs.
✅ Crusher Liner Plates: Boltable wear liners with countersunk holes.
✅ Dump Truck Bed Liners: Pre-bent and cut-to-size floor and side panels.
✅ Conveyor Chutes & Skirting: Rolled and welded wear-resistant assemblies.
At first, our main business is meatl material , with more and more customer cooperation , now we bought our own machine to provide cutting service to customer , we have 1 set 12000w fiber laser cutting machine , 1 set 6000 fiber laser cutting mahcine , 2 set plasma machine , 1 set bending machine , 1 set Sandblasting machine to clean the rust , and have a smaller painting room .
1).Competitive Price directly from the original manufacturer.
2).Professional QC and R&D teams to assure high quality;
3). Short lead time for building molds and manufacturing mass production;
4). Advanced measurement equipment
5). Small quantity order also is welcomed.
6).We do OEM works, as per your drawings, samples or ideas.
7).Rich experience and good technology support (have more than 10 years experience in mould design , mould manufacturing and injection).
Which Abrasion-Resistant Wear Fighter Is Right for You?
Bigger hardness numbers don't always mean a better choice. The harder the steel, the harder it is to cut, bend, and weld in your workshop. Here is how to choose your wear fighter based on your specific fabrication needs:
1. The All-Rounder: AR400 / NM400
Best for: Dump truck bodies, hoppers, silos, and conveyors.
Why choose it: It offers excellent cold forming properties. If your fabrication process requires significant bending or rolling, 400 HBW steel will not crack easily during press braking.
2. The Upgraded Standard: AR450 / NM450
Best for: Excavator buckets, cutting edges, and heavy-duty tipper trailers.
Why choose it: It is the industry's "sweet spot." An extra 50 Brinell points provide significantly better wear life than 400, while still allowing for reasonable workshop workability.
3. The Heavy-Duty Brawler: AR500 / NM500
Best for: Crusher liners, shredder knives, and mining screens.
Why choose it: Built for extreme sliding wear and heavy impact. Note: Due to its extreme hardness, cold bending is highly restricted. It is typically used as flat wear plates bolted or welded onto structural frames.
Sourcing AR Steel? Targeted FAQ for Procurement & Engineers
Q1: Can Chinese NM500 replace Hardox 500 in heavy mining equipment?
A: Yes, absolutely. Chinese NM (Nai Mo) series steel plates share a nearly identical chemical composition (Boron-added, Q&T processed) to European brands. While top-tier European brands may hold a slight edge in extreme low-temperature impact tests, for 90% of general wear applications (like truck beds and crusher liners), switching to NM500 can reduce your material costs by 20% to 30% without sacrificing service life.
Q2: Can I weld AR450 or AR500 steel plates?
A: Yes, but it requires strict thermal control. Because of the high carbon equivalent (CEV), you must use low-hydrogen consumables (e.g., E7018 electrodes). For thicker plates (typically > 20mm), pre-heating to 75°C - 150°C is mandatory to prevent hydrogen-induced cold cracking in the weld heat-affected zone (HAZ).
Q3: How do you cut abrasion-resistant steel? Will cutting ruin the hardness?
A: AR steel can be cut using plasma, laser, or oxy-fuel. However, thermal cutting creates a Heat-Affected Zone (HAZ) where the edge loses its hardness. To minimize this "soft edge," we recommend underwater plasma cutting or laser cutting. For mechanical drilling, always use high-speed steel (HSS) with cobalt coating, run at low RPM, and apply high feed pressure.
Q4: Do you offer cut-to-size and bending services for AR plates?
A: Yes. We understand that many local workshops lack the high-tonnage press brakes required to bend NM450/NM500 plates. GNEE Steel provides CNC plasma cutting, drilling, and heavy-duty press braking services. You can import ready-to-assemble wear parts directly from us to save on local labor and machining costs.
Stop overpaying for brand-name wear plates. Maximize your equipment's uptime and your profit margins today.
Send us your drawings or required specifications (Hardness, Thickness, Width). Our metallurgical team will provide the latest NM400/NM500 factory price list and customized machining solutions within 24 hours.
📧 [Get an Instant Quote & MTC Sample Now]
Facing Extreme Sliding Abrasion? Upgrade to Chromium Carbide Overlay (CCO) Plates
Standard Quenched & Tempered (Q&T) AR steel plates (like NM500) are excellent for a balance of impact and sliding wear. However, when your equipment handles highly abrasive materials like crushed glass, clinker, or silica sand under severe sliding conditions, even 500 HBW steel might wear out too fast.
For these extreme environments, GNEE Steel provides Chromium Carbide Overlay (CCO) Wear Plates (also known as Bimetallic Wear Plates).
What is a CCO Plate?
Instead of a homogenous steel plate, a CCO plate consists of two distinct layers:
The Base Plate: A mild carbon steel backing (e.g., Q235B or ASTM A36) that absorbs mechanical shock and allows for easy welding, bolting, and forming.
The Hardfaced Overlay: A highly alloyed deposit of chromium carbides (Cr7C3) welded onto the base plate. This overlay achieves a staggering surface hardness of 58-62 HRC (approx. 600-700 HBW).
Quick Comparison: Standard AR Steel vs. CCO Wear Plate
| Feature | Q&T AR Steel (e.g., NM500) | CCO Wear Plate (Hardfaced) |
| Best Wear Type | Heavy Impact + Sliding Abrasion | Extreme Sliding Abrasion (Low/Medium Impact) |
| Surface Hardness | 450 - 550 HBW | 58 - 62 HRC (equivalent to 600+ HBW) |
| Wear Life | 3x - 5x longer than mild steel | Up to 5x longer than AR500 steel |
| Weldability & Installation | Requires low-hydrogen pre-heating | Very easy (weld directly onto the mild steel base) |
| Typical Applications | Excavator buckets, dump truck beds | Cement chutes, coal hoppers, exhaust fan blades |
Note: The visible relief cracks on the surface of CCO plates are a natural result of the hardfacing process and do not affect the plate's structural integrity. In fact, they relieve internal welding stress.
Custom CCO Fabrication
We don't just supply standard 1500x3000mm CCO sheets. Our facility is equipped to roll, cut, and fabricate CCO plates into complex wear parts, including wear pipes, elbows, and cyclone liners, ensuring your plant minimizes downtime.
WEAR-RESISTANT STEEL PLATE
|
Model |
HRC |
Working Temperature |
Alloy Chemical Composition |
Specification and thickness Standard size 1400*3000 1500*3000 2000*3000 |
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|
C |
Cr |
Mn |
Nb |
others |
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|
HP100 |
60-63 |
＞500℃ |
3-5 |
22-28 |
48 |
3+3,4+4,5+5,6+4,6+5, 6+6,8+4,8+5,8+6,8+7, 8+8,10+4,10+5,10+6, 10+7,10+8,10+9,10+10,10+20,12+4,12+5,12+6,12+7,12+8,12+9,12+1, 12+11,12+12, 12+17, 12+25,14+6,14+8, 14+10,16+6,16+8, 16+10,18+6,18+8, 18+10,20+5,20+6,20+8,20+10,20+20 |
|||
|
HP200 |
58-62 |
＞500℃ |
3-5 |
20-26 |
1-3 |
2-5 |
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|
HP300 |
60-65 |
＞800℃ |
4-6 |
18-25 |
2-3 |
5-8 |
3-6 |
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|
HP400 |
50-55 |
＞500℃ |
0.4-2 |
3-7 |
15-20 |
2-5 |
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|
Industry Application |
Power industry |
Coal hopper lining plate, coal drop pipe liners, coal mill wear parts, ash pipeline, fan blade |
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|
Iron and steel industry |
Bin liner, skip car liner, vibrating feeder lining, CDQ tank lining, coke-barrier car bottom plate, slag sluice lining |
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|
Cement industry |
Raw mill lining, clinker chute lining, dust discharge pipe, guide vane, roller protection sleeve, slag mill wear parts |
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|
Glass industry |
Blender mixer bottom plate, fan blade, fore and rear discs of fan impeller, quick-wearing wear parts |
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|
Mining industry |
Excavator bucket liners, bucket-wheel excavator, scarper conveyor middle trough, elevator skip, hopper liner |
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|
Engineering industry |
Shield machine wear parts, boring machine shovel plate, loader shovel plate, dump truck body plate. |
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|
Port |
Loading and discharging machine, wear-resistant pipeline, channel dredging, bin liner |
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|
we also customize various specification wear-resistant plate and wear parts according to customer requirement and drawings. |
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📩 [Get Free Case Details & Latest NM300TP Price List Now]
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FAQ
Q: Who are we?
Q: How can we guarantee quality?
A:Always a pre-production sample before mass production;
Always final Inspection before shipment;
Q:What can you buy from us?
* Wear Resistant Steel
* High Strength Steel Sheets and Plates
* Pipeline Steel
* Pressure Vessel Steel
* Custom Steel Fabrications
Q: What services can we provide?
A:Accepted Delivery Terms: FOB,CFR,CIF,EXW,FCA,DDP,DDU,Express Delivery;
Accepted Payment Currency:USD,EUR,CNY;
Accepted Payment Type: T/T,L/C,Credit Card,Western Union,Cash;
Language Spoken:English,Chinese,Arabic,Russian,Korean
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