S275JR+AR Steel Plate: Properties and Applications
S275JR+AR steel plate is a medium-carbon steel commonly used in structural applications requiring high strength and good weldability.S275JR+AR is a non-alloy, hot-rolled structural steel grade (EN 10025-2) with a minimum yield strength of 275 MPa (< 16mm).
S275JR+AR: Advanced Rolling Process for Enhanced Properties
The S275JR+AR grade takes the properties of S275JR a step further. The '+AR' designation stands for 'Advanced Rolling,' indicating that this steel undergoes a more sophisticated rolling process. This advanced technique results in improved mechanical properties and a more refined microstructure.
Its key performance characteristics include:
1.S275JR+AR Chemical Composition
The steel contains carbon (C), manganese (Mn), silicon (Si), phosphorus (P), and sulfur (S). Typical ranges are:
Carbon: 0.20% to 0.27%
Manganese: 1.20% to 1.60%
This composition ensures balanced strength and weldability.
2.S275JR+AR Mechanical Properties
Yield strength: ~275 MPa
Tensile strength: 450–600 MPa
Excellent impact toughness, even at -20°C (Charpy V-notch tested).
3.S275JR+AR Corrosion Resistance
Performs well in standard atmospheric conditions but is unsuitable for marine or highly corrosive environments. Alternatives like stainless steel may be needed for such cases.
4.S275JR+AR Weldability
Compatible with various welding methods (e.g., SMAW, GMAW) and exhibits good cold-bending properties.
5.S275JR+AR Hardness
Brinell hardness (BHN): 140–220, ensuring resistance to deformation under load.
6. S275JR+AR Processability
Easily cut, bent, and formed without cracking or fracture during machining.
7.S275JR+AR Temperature Adaptability
Maintains impact toughness in low-temperature environments, making it suitable for cold climates.
What is S275JR AR?
The S275JR+AR grade takes the properties of S275JR a step further. The '+AR' designation stands for 'Advanced Rolling,' indicating that this steel undergoes a more sophisticated rolling process. This advanced technique results in improved mechanical properties and a more refined microstructure.
S275JR Steel Plate: European Standard Carbon Structural Steel
S275JR is a European standard carbon structural steel plate with slightly higher strength than S235JR. Related material grades include S275JR+AR, S275JR+N, S275JR+N-Z15, S275JR+N-Z25, and S275JR+N-Z35. The meaning of the grade markings is explained below:
S275JR+AR
S: Structural steel
275: Minimum yield strength of 275 MPa
JR: Impact toughness meets standards at room temperature (2°C), with satisfactory bending performance
+AR: Hot-rolled process
S275JR+N
Same meanings for S, 275, and JR
+N: Normalized rolling or normalized heat treatment, refining grain structure and improving mechanical properties
S275JR+N-Z15
Same as S275JR+N
-Z15: Z-directional performance with minimum 15% thickness reduction
S275JR+N-Z25
-Z25: Higher Z-directional performance (minimum 25% thickness reduction), suitable for structures under significant thickness-directional tension
S275JR+N-Z35
-Z35: Premium Z-directional performance (minimum 35% thickness reduction), exceptional resistance to lamellar tearing, used in critical structures (e.g., offshore wind foundations, high-rise load-bearing components) requiring extreme thickness-directional strength.
Get S275JR Quality Certificate
Surface Treatment Options for S275JR+AR Thick Plate
1.Passivation Treatment
Chemical passivation creates a protective oxide film on the S275JR+AR surface, significantly enhancing corrosion resistance for demanding environments.
2.Anti-Fingerprint Treatment
Special coating applied to S275JR+AR surfaces prevents fingerprint marks and stains, ideal for architectural applications requiring pristine appearance.
3.Oiling Protection
Pre-applied rust preventive oil safeguards S275JR+AR plates during storage and transportation, ensuring delivery in optimal condition.
4.Sandblasting Preparation
Surface roughening via sandblasting optimizes S275JR+AR for subsequent coating processes, improving paint adhesion durability.
5.Galvanized Steel Alternative
For extreme corrosion resistance (e.g., marine structures), we recommend galvanized steel variants of S275JR+AR, which offer superior protection through zinc coating.
6.Polishing Finish
Precision polishing delivers mirror-like surfaces on S275JR+AR thick plates, suitable for decorative and high-visibility applications.
What is the difference between S275 and S275JR steel?
For this question, we need to check begin the origin EN10025-2 standard for non-alloy structural steels. The S275 is not a specific steel grade, it is a genaral name for S275JR steel, S275J2 steel and S275J0 steel. S275JR steel is only one of S275 steel. So please do not mix S275 and S275JR steel.
S275 and S275JR steel chemical composition - ladle analysis:
| Steel Grade | С | Mn | S | P | N | Сu | |
| S275 | JR | <=0.22 | <=1.50 | 0.035 | 0.035 | <=0.012 | <=0.55 |
| J0 | <=0.18 | <=1.50 | 0.03 | 0.03 | <=0.012 | <=0.55 | |
| J2 | <=0.18 | <=1.50 | 0.025 | 0.025 | - | <=0.55 | |
S275 and S275JR steel mechanical properties:
| Grade | Min. Yield strength (t≤16mm) |
Tensile strength (t≤400mm) |
Elongation A (3mm≤t≤40mm) min |
Temperature/℃ | Impact energy (Longitudinal)/J min |
|
| S275 | JR | 275 Mpa | 380-580 Mpa | 15% | 20 | 27 |
| J0 | 275 Mpa | 380-580 Mpa | 15% | 0 | 27 | |
| J2 | 275 Mpa | 380-580 Mpa | 13% | -20 | 27 | |
When we are told the S275 steel is needed. First, we need to confirm whether S275JR steel, S275J2 steel or S275J0 steel is needed. The main difference among the three S275 steel lies in their impact temperature: 20℃ of S275JR steel, -20℃ of S275J2 steel and 0℃ of S275J0 steel.
S275JR carbon steel plate equivalent grades:
Warning! Only for reference
| EU | Germany | Japan | France | European old | Italy | China | Austria | Norway | Russia | Inter | Portugal | India |
| EN | DIN,WNr | JIS | AFNOR | EN | UNI | GB | ONORM | NS | GOST | ISO | NP | IS |
| S275JR | RSt42-2 | SS400 | E28-2 | Fe430B | Fe430B | Q275 | St42F | NS12142 | St4ps | E275B | FE430-B | IS2062 |
| St 44-2 | St430B | St4sp |
S275JR is a carbon structural steel and low alloy structural steel under the European standard EN10025 (1994). Its forms include steel bars, steel plates and steel strips. It is mainly produced by hot rolling process and delivered in non-heat treated state.
S275JR & S275AR
S275 – a high strength and high yield structural steel used extensively throughout the construction industry.
Masteel UK Limited supplies a wide range of S275 grade steels under the EN 10025 specification including S275JR and S275AR. We also supply a wide range of steel fabricated sections – including beams and columns.
Our steels, of Western European origin, are produced to the highest quality and are a perfect material for your civil engineering projects.
About S275 Common Steels
S275JR
A structural grade (S) with at minimum yield strength of 275 N/mm²m, the JR designation confirms that the steel has undergone longitudinal Chary V-Notch impact testing at 27J (Joules) at room temperature. Other Charpy designations include JO, J2 and K2.
S275AR
A structural grade (S) with the same minimum yield strength of 235 N/mm²m, but supplied in an 'as rolled condition'.
S275 structural steel plate is a versatile material which can be used in a wide range of construction and engineering applications.
What is S275JR steel equivalent to?
A36
1 (American Welding Society) permits S275JR as an equivalent to A36 for welding purposes, and they are frequently interchanged in international projects.
What is S355JR AR?
Commercial quality and S355JR plate is a generally flat plate material that has a thickness of 4.5mm or thicker. Plates in the "as-rolled" (S355JA + AR) condition has gone through a rolling process and then it is cooled in static air.
What is the difference between S275JR and S355JR?
S275JR: Offers a minimum yield strength of 275 MPa for thicknesses up to 16 mm. This makes it suitable for applications where moderate strength is sufficient. S355JR: Provides a higher minimum yield strength of 355 MPa for thicknesses up to 16 mm, making it ideal for projects requiring greater load-bearing capacity.
Is S275JR hot rolled?
Steel S275JR
Classification: Non-alloy structural steel. Products: Flat and long hot-rolled products and semi-finished products.
Which is better, S275 or S355?
Despite this price difference, S355 structural steel is often preferred due to its lower structural weight compared to S275 type. It is also better when it is necessary to reach predetermined values of mechanical characteristics in the presence of overall weight limits.
What is S275JR used for?
Long and flat products of steel grade S275JR are used in manufacturing welded and riveted steel structures. This steel is also prevalent in machine-building for low-load parts, including bushings, shafts and axles.
What is the quality of S275jr steel?
Ordinary construction steel with a minimum value of 275 MPa of yield strength. The last letters correspond to the grade obtained in the resilience trial (minimum energy absorbed in the lengthwise flexion Charpy impact test), which in the case of JR is a minimum of 27 joules at a temperature of +20ºC.
What is the price of S275jr per kg?
Wholesale / Bulk Market (FOB Prices from Mills)
If you are buying in bulk directly from mills or large exporters (such as in China or India), prices are generally quoted per metric ton but break down to:
$0.55 to $0.70 USD per kg(approx. $550 to $700 per metric ton) for hot-rolled S275JR coils or standard plates.
Relying on many first-class equipment, such as CNC Shearing machine, Press Brake machine, Straightening machine, Roll Bending machine, Flat Bar Machine, Deburring machine etc, GNEE STEEL could provide various semi-productsand extensive forming services to customers.
GNEE STEEL PROCESSING
1.CTL & SL SERVICE (141 SETS)
Currently, GNEE STEEL has imported manyadvanced CTL/SL equipment from Italy and Korea and could provide customized CTL/SL services from cold rolled stainless steel and carbon steel to hot rolled stainless steel and carbon steel as well as strips and ultra-wide sheet.
CTL FACILITIES
Max Length:16500mm
Max Width:2200mm
Max Thickness:25.4mm
Max Yield Strength:1500Mpa
SL FACILITIES
Max Width:2200mm
Max Thickness:18mm
Max slit Quantity:31
Max Yield Strength:1200Mpa
2.CUTTING SERVICE
GNEE STEEL imported lots of advanced cutting machines from Germany, Sweden, America and Japan, including plasmas cutting machine, water jet cutting machine, laser cutting machine, flame cutting machine and saw machine. In order to meet customers' diversified needs, GNEE STEEL also adopts nest working multi-cutting methods and intensive production to improve production capacity and save costs for the customers.
Laser Cutting Machine
Max Cutting Length:40,000mm
Max Width:4,600mm
Max Thickness:100mm
Flame Cutting Machine
Max Cutting Length:40,000mm
Max Width:8,000mm
Max Thickness:500mm
Plasmas Cutting Machine
Max Cutting Length:30,000mm
Max Width:5,000mm
Max Thickness:100mm
Water-jet Cutting
Max Cutting Length:12,000mm
Max Width:4,010mm
Max Thickness:250mm
3.FORMING SERVICE
Steel Plate Roll Bending
Maximum Rolling Thickness: up to 200mm
Maximum Width: 4200mm
Automatic Bending Machine-Press Brake
Max Bending Capability:3000Ton
Max Bending Length:15,000mm
Expert in Bending High-Strength & Wear-Resistant Steels
Punching Machine
Max Width:3,070mm
Max Thickness:8mm
Max Pressure:250t
BEVELING SERVICE
GNEE STEEL beveling platform has edge milling machine, edge planer, flame / plasma groove cutting machine, flame groove cutting robot, desktop chamfering machine, gantry planerand other advanced equipment to provide customers with parts prefabrication services,daily processing of V-type, Y-type, X-type and U-type grooves, and guarantee subsequent processes such as welding and assembly of products.
Milling：
Max Cutting Length:18,000mm
Max Width:4500mm
Max Thickness:120mm
Beveling:
Max Length:16,000mm
Max Thickness:80mm
MACHINING SERVICE
GNEE STEEL owns CNC Portal-type Boring and Milling machine,CNC Floor-type Boring and Milling machine, Vertical Precision 5-axis Milling Machine, Portal-type Planer, Vertical Lathe, Cylindical Grinding machine, Hydraulic Planer and CNC Lathe and could provide fine machining of large spare parts and structural parts for customers.
Gantry Type Boring & Milling Maching Center
Max Length:48000mm
Max Width:12500mm
Max Height:8000mm
Max Diameter:10500mm
Deep-hole Drilling Equipment
Max Driling Depth:1,100mm
Max Bore Diameter:φ80mm
Max Diametar:φ4,500mm
MMulti-hole Drilling Equipment
Max Length:13,000mm
Max Width:10,000mm
Max Bore Diameter:φ105mm
Max Drilling Depth:250mm
Floor Boring And Milling Machine
Max Length:24,000mm
Max Height:8,000mm
Turntable Dimensions:9x5m
Vertical Lathe
Max Height:6,000mm
Max Diametar:φ22,00mm
Automated Edge Milling Machine
The Automated Edge Milling Machine is a leading product in heavy-duty milling equipment. It is primarily used for weld groove preparation (beveling) on large-format plates made of stainless steel, carbon steel, and special steel grades. It can process plates with a maximum thickness of up to 90mm, a length of 16 meters, and a width of 4 meters.
It is equipped with dual milling units and a fully automatic milling cutter head changing system, enabling automated 4-edge beveling. Its standout feature is the profiling technology used when milling wavy plates and irregularly shaped products, which ensures absolute consistency of the groove after milling.
Utilizing specially designed milling cutter heads, it can execute highly difficult and complex groove profiles in a single pass.
Materials: Plain carbon steel, pressure vessel steel, wear-resistant steel, high-strength steel, stainless steel, nickel-based alloys, etc.
Width: 1200 - 4200 mm
Length: 5800 - 16000 mm
Thickness: 5 - 90 mm
Weight: Up to 35 tons
This edge milling machine is the world's premier automated bevel milling equipment. With its excellent structural design and advanced data algorithms, it achieves full automation from plate detection to the actual milling process, significantly improving processing efficiency while guaranteeing high precision.
- Processing Accuracy
Length accuracy: ±1mm when L < 10m; ±2mm when L > 10m;
Width accuracy: ±1mm;
Diagonal accuracy: ±2mm;
Root face accuracy (blunt edge): ±1mm for Y-grooves; +0.5mm for X-grooves.
- Processing Efficiency
The processing efficiency is more than 10 times that of conventional edge milling or edge planing equipment.
HEAT TREATMENT
Heat Treatment Furnace
Max Furnace Size:36x12x13.5m
Max Rated Temperature:1100℃
Max Loading Capacity:800t
Heat Treatment of Pressure Vessels
Heat Treatment of Mining Equipment
Heat Treatment of Tube Sheet
Heat Treatment of Pressure Vessel Head
Case : Steel Plates Supply for 100,000m³ Full Containment Ammonia Storage Tank Project
GNEE STEEL is currently participating in the procurement phase of a 100,000m³ full containment ammonia storage tank project, supplying high-quality steel plates for critical tank components. Due to the corrosive nature of ammonia and the risk of Ammonia Stress Corrosion Cracking (SCC), the project requires strict metallurgical control of materials according to EN 10028-3 standards.
One of the most important technical requirements of this project is the strict limitation of the actual Yield Strength (Re) for all NL2 grade materials. To prevent SCC risks in ammonia storage environments, the actual yield strength must not exceed 390 MPa, regardless of the nominal values specified in the standard or plate thickness ranges. This requirement places higher demands on steelmaking process control, heat treatment stability, and material testing.
Raw high-strength steel plates ready for the 100,000 m³ full containment ammonia storage tank production
Project Materials and Technical Requirements
The project mainly uses P355NL2 and P275NL2 normalized pressure vessel steel plates, which are widely applied in low-temperature storage tanks due to their excellent toughness and weldability.
Key technical specifications include:
- Material grades: P355NL2 and P275NL2 (Normalized)
- Yield strength: Standard minimum / Maximum limited to 390 MPa
- Hardness: ≤ 225 HBW in base material
- Impact testing: Charpy-V notch test at -50°C, minimum 27J
- Certification: EN 10204 3.1 certificate, with optional 3.2 certification
These strict requirements ensure that the steel plates maintain stable mechanical properties and high resistance to ammonia-induced stress corrosion during long-term operation.
Precision rolling and forming of steel plates into curved sections for the 100,000 m³ ammonia storage tank.
Project Plate Quantities and Thickness Distribution
The total steel demand for this ammonia storage tank project is several thousand tons, mainly distributed across different tank sections:
P355NL2 – Inner & Outer Tank Shell Plates
- Lower shell courses: 50 mm thickness – approx. 2,000 tons
- Middle shell courses: 25 mm thickness – approx. 1,400 tons
- Upper shell courses: 10 mm thickness – approx. 500 tons
P275NL2 – Tank Bottom Plates
- Thickness: 10–15 mm – approx. 750 tons
P275NL2 – Suspended Roof Structure
- Thickness: 5–8 mm – approx. 180 tons
S275JR – Outer Roof (Ambient Structure)
- Thickness: 10 mm – approx. 450 tons
To improve tank fabrication efficiency and reduce circumferential welds, the project also requires wide steel plates to minimize welding joints, which helps reduce the potential risk of SCC in ammonia service conditions.
Formed steel segments wrapped and racked for protection, ready for 100,000 m³ ammonia storage tank assembly.
GNEE STEEL provides high-precision steel plate rolling and cylinder fabrication solutions for tank manufacturers worldwide. Send us your plate specifications or fabrication drawings for a fast quotation.
| TYPE | GRADE | SPECIFICATIONS |
| Carbon Steel / Low Alloy Coil | Q235A/B/C/D/Q355B(Q345B)/C/D/E/SS400/SAPH400-C/ASTMA283Grade C |
0.7~2.0*1250/1500mm*C 2.3~19.5*1250/1500/1800/2000mm*C |
| Medium Heavy Plate | Q235B/Q355B(Q345B)/C/D/E | 6.0-200x150mm-4000mmxL |
| Vessel Plate |
Q245R/Q345R/HP295/SA516MGR485/SA516GR70/P355NL2/P275NL2/ S275JR//SPV490/ASTM A537 Class 1/Class 2 |
2.5-120x1500mm-3000mmxL |
| High Strength Steel |
510L/610L/700L/750L/BS600MCK4/BS700MCK2/BS700MCK4/ BS960E/BWELDY700QL2/L4/BWELDY960QL4/HG60D/70D/785D/ Q460D/Q550D/690D/690E/TQ600MCD/TQ700MCD/S700MCD/ WYS600/700/STRENX700MCE/Q490E/Q490D |
1.2-60x 1500mm-2500mmxL |
| Patterned Steel | HQ235A|B | 1.2-60x 1500mm-2500mmxL |
| Wear-resistance Steel |
NM360/400/450/500/NM300TP/400TP/450TP/ ABREX400/450/500/B-HARD450XKY/ CREUSABRO4800/8000/EH C400LE/450LE/500LE/ |
3.0-50x1250mm-3300mmxL |
| Cold Rolled Coil | DC01/RECC/REDT/SPCC/ST12 | 0.5-3.0x1250mm-1500mmxC |
| Galvanized Plate | DC51D+AZ/DC51D+Z/DX51D+Z/SGH340+Z275/Z275/Z120/S350GD+ZM275 | 0.45-3.0x1250mm-1500mmxC |
| Pickled Coil | DD11/SPHC | 2.0-6.0x1500xC |
Stainless Steel Material and Surface Specifications
| TYPE | GRADE | THICKNESS | SURFACE |
| Austenitic | 304/304H/304L/304J1 | 0.25-150mm | 2B/BA/NO.4/8K/SB/HL/NO.1 |
| Austenitic | 321 | 0.4-80mm | 2B/BA/NO.4/8K/SB/HL/NO.1 |
| Austenitic | 316/316L/317L/316Ti | 0.3-80mm | 2B/BA/NO.4/8K/SB/HL/NO.1 |
| Austenitic | 201(J1/J2/J5) | 0.35-12mm | 2B/NO.1/1D |
| Ferrite | 430 | 0.4-3.0mm | 2B/BA/NO.4/8K/SB/HL |
| Ultra Pure Ferrite | 443 | 0.4-2.0mm | 2B |
| Ultra Pure Ferrite | 436L/439/444/441 | 0.5-3.0mm | 2B/2D |
Special Steel / Nickel Base Alloy
| TYPE | GRADE | GRADE (ASTM) | GRADE (EN) | THICKNESS |
| Heat-resistant Steel | 309S | S30908 | 1.4833 | 0.5-40mm |
| Heat-resistant Steel | 310S | S31008 | 1.4845 | 0.5-40mm |
| Duplex Stainless Steel | 2101 | S32101 | 1.4162 | 1.5-50mm |
| Duplex Stainless Steel | 2304 | S32304 | 1.4362 | 3.0-50mm |
| Duplex Stainless Steel | 2205 | S32205/S31803 | 1.4462 | 0.5-60mm |
| Duplex Stainless Steel | 2507 | S32750 | 1.4410 | 1.0-60mm |
| Super Austenitic-Steel | 904L | N08904 | 1.4539 | 0.6-50mm |
| Super Austenitic-Steel | 254SMO | S31254 | 1.4547 | 0.5-50mm |
| Super Austenitic-Steel | 1.4529 | N08926 | 1.4529 | 0.5-50mm |
| Super Austenitic-Steel | AL-6XN | N08367 | 1.4478 | 0.5-50mm |
| Nickel Base Alloy | Alloy 31 | N08031 | 1.4562 | 1.0-50mm |
| Nickel Base Alloy | 800 | N08800 | 1.4876 | 0.8-50mm |
| Nickel Base Alloy | 800H | N08810 | 1.4958 | 0.8-50mm |
| Nickel Base Alloy | 800HT | N08811 | 1.4959 | 0.8-50mm |
| Nickel Base Alloy | Alloy 28 | N08028 | 1.4563 | 1.0-20mm |
| Nickel Base Alloy | Alloy 20 | N08020 | 2.4660 | 1.0-20mm |
| Nickel Base Alloy | 825 | N08825 | 2.4858 | 0.8-40mm |
| Nickel Base Alloy | C276 | N10276 | 2.4819 | 0.5-50mm |
| Nickel Base Alloy | C22 | N06022 | 2.4602 | 1.0-50mm |
| Nickel Base Alloy | 625 | N06625 | 2.4856 | 0.8-20mm |
| Nickel Base Alloy | 400 | N04400 | 2.4360 | 1.0-20mm |
| Nickel Base Alloy | 600 | N06600 | 2.4816 | 1.0-50mm |
| Nickel Base Alloy | Pure Ni 201 | N02201 | 2.4061 | 0.5-20mm |
| Titanium | TA1 | Gr.1 | Class 1 | 0.5-50mm |
| Titanium | TA2 | Gr.2 | Class 2 | 0.5-50mm |
We also supply S237JR S275JR S355JR s355J0 s355J2 HEA HEB HEM H Beam
| Product Name | EN 10025 Structural H Beam (HEA / HEB / HEM Series) |
| Available Series | HEA100-1000 / HEB100-1000 / HEM100-1000 |
| Grade | S235JR / S275JR / S355JR / S355J0 / S355J2 |
| Standard | EN 10025-2 / EN 10034 |
| Length | 6m / 9m / 12m or Customized |
| Flange Width | 100-400mm |
| Web Thickness | 5-16mm |
| Flange Thickness | 8-40mm |
| Tolerance | According to EN 10034 |
| Surface Finish | Black Painted / Hot Dip Galvanized / Rust Oil Coated / PE Coated |
| Technical Process | Hot Rolled |
| Alloy or Not | Non-Alloy |
| Inspection | EN 10204 3.1 MTC, Ultrasonic Test, Dimensional Inspection, Surface Check |
| Certification | ISO 9001 / CE / EN 10204 3.1 |
| Unit Weight Range | 1000-25000 KG per piece |
| Invoicing Method | By Theoretical Weight |
| Packaging | Steel Strip Bundled, Waterproof Wrapping, Suitable for Sea Freight Export |
| Delivery Time | 15-30 Days After Deposit |
| Main Port | Tianjin Port (Other ports available upon request) |
| Applications | Steel structures, bridges, industrial buildings, offshore platforms, warehouse frames |
| Standard | Grade | MPa Yield Strength |
MPa Tensile strength |
% Elongation |
Longitudinal impact test | |
| ℃ Temperature |
KV2/J impact energy |
|||||
| EN 10025-2 | S235JR | ≥235 | 360～510 | ≥26 | 20 | ≥27 |
| S235J0 | 0 | |||||
| S275JR | ≥275 | 410～560 | ≥23 | 20 | ≥27 | |
| S275J0 | 0 | |||||
| S275J2 | ≥21 | -20 | ||||
| S355JR | ≥355 | 470～630 | ≥22 | 20 | ≥27 | |
| S355J0 | 0 | |||||
| S355J2 | -20 | |||||
| S355K2 | ≥20 | -20 | ≥40 | |||
| S450J0 | ≥450 | 550～720 | ≥17 | 0 | ≥27 | |
| EN 10025-4 | S355M | ≥355 | 470～630 | ≥22 | -20 | ≥40 |
| S355ML | -50 | ≥27 | ||||
| S460M | ≥460 | 540～720 | ≥17 | -20 | ≥40 | |
| EN 10025-5 | S355J0WP | ≥355 | 470～630 | ≥22 | 0 | ≥27 |
| S355J2WP | ≥20 | -20 | ||||
| S355J0W | ≥355 | 470～630 | ≥22 | 0 | ≥27 | |
| S355J2W | -20 | |||||
| S355K2W | ≥20 | -20 | ≥40 | |||
| Designation | Unit Weight (kg/m) |
Standard Secional Dimension (mm) |
Sectional Area (cm³) |
|||||
| W | H | B | t1 | t2 | r | A | ||
| HE100 | A | 16.7 | 96.0 | 100.0 | 5.0 | 8.0 | 12.0 | 21.24 |
| B | 20.4 | 100.0 | 100.0 | 6.0 | 10.0 | 12.0 | 26.04 | |
| M | 41.8 | 120.0 | 106.0 | 12.0 | 20.0 | 12.0 | 53.24 | |
| HE120 | A | 19.9 | 114.0 | 120.0 | 5.0 | 8.0 | 12.0 | 25.34 |
| B | 26.7 | 120.0 | 120.0 | 6.5 | 11.0 | 12.0 | 34.01 | |
| M | 52.1 | 140.0 | 126.0 | 12.5 | 21.0 | 12.0 | 66.41 | |
| HE140 | A | 24.7 | 133.0 | 140.0 | 5.5 | 8.5 | 12.0 | 31.42 |
| B | 33.7 | 140.0 | 140.0 | 7.0 | 12.0 | 12.0 | 42.96 | |
| M | 63.2 | 160.0 | 146.0 | 13.0 | 22.0 | 12.0 | 80.56 | |
| HE160 | A | 30.4 | 152.0 | 160.0 | 6.0 | 9.0 | 15.0 | 38.77 |
| B | 42.6 | 160.0 | 160.0 | 8.0 | 13.0 | 15.0 | 54.25 | |
| M | 76.2 | 180.0 | 166.0 | 14.0 | 23.0 | 15.0 | 97.05 | |
| HE180 | A | 35.5 | 171.0 | 180.0 | 6.0 | 9.5 | 15.0 | 45.25 |
| B | 51.2 | 180.0 | 180.0 | 8.5 | 14.0 | 15.0 | 65.25 | |
| M | 88.9 | 200.0 | 186.0 | 14.5 | 24.0 | 15.0 | 113.3 | |
| HE200 | A | 42.3 | 190.0 | 200.0 | 6.5 | 10.0 | 18.0 | 53.83 |
| B | 61.3 | 200.0 | 200.0 | 9.0 | 15.0 | 18.0 | 78.08 | |
| M | 103 | 220.0 | 206.0 | 15.0 | 25.0 | 18.0 | 131.3 | |
| HE220 | A | 50.5 | 210.0 | 220.0 | 7.0 | 11.0 | 18.0 | 64.34 |
| B | 71.5 | 220.0 | 220.0 | 9.5 | 16.0 | 18.0 | 91.04 | |
| M | 117 | 240.0 | 226.0 | 15.5 | 26.0 | 18.0 | 149.4 | |
| HE240 | AA | 47.4 | 224.0 | 240.0 | 6.5 | 9.0 | 21.0 | 60.38 |
| A | 60.3 | 230.0 | 240.0 | 7.5 | 12.0 | 21.0 | 76.84 | |
| B | 83.2 | 240.0 | 240.0 | 10.0 | 17.0 | 21.0 | 106.0 | |
| M | 157 | 270.0 | 248.0 | 18.0 | 32.0 | 21.0 | 199.6 | |
| HE260 | AA | 54.1 | 244.0 | 260.0 | 6.5 | 9.5 | 24.0 | 68.97 |
| A | 68.2 | 250.0 | 260.0 | 7.5 | 12.5 | 24.0 | 86.82 | |
| B | 92.9 | 260.0 | 260.0 | 10.0 | 17.5 | 24.0 | 118.4 | |
| M | 172 | 290.0 | 268.0 | 18.0 | 32.5 | 24.0 | 219.6 | |
| HE280 | AA | 61.3 | 264.0 | 280.0 | 7.0 | 10.0 | 24.0 | 78.02 |
| A | 76.4 | 270.0 | 280.0 | 8.0 | 13.0 | 24.0 | 97.26 | |
| B | 103 | 280.0 | 280.0 | 10.5 | 18.0 | 24.0 | 131.4 | |
| M | 189 | 310.0 | 288.0 | 18.5 | 33.0 | 24.0 | 240.2 | |
| HE300 | AA | 69.8 | 283.0 | 300.0 | 7.5 | 10.5 | 27.0 | 88.91 |
| A | 88.3 | 290.0 | 300.0 | 8.5 | 14.0 | 27.0 | 112.5 | |
| B | 117 | 300.0 | 300.0 | 11.0 | 19.0 | 27.0 | 149.1 | |
| M | 238 | 340.0 | 310.0 | 21.0 | 39.0 | 27.0 | 303.1 | |
| HE320 | AA | 74.3 | 301.0 | 300.0 | 8.0 | 11.0 | 27.0 | 94.58 |
| A | 97.7 | 310.0 | 300.0 | 9.0 | 15.5 | 27.0 | 124.4 | |
| B | 127 | 320.0 | 300.0 | 11.5 | 20.5 | 27.0 | 161.3 | |
| M | 245 | 359.0 | 309.0 | 21.0 | 40.0 | 27.0 | 312.0 | |
| HE340 | AA | 78.9 | 320.0 | 300.0 | 8.5 | 115 | 27.0 | 100.5 |
| A | 105 | 330.0 | 300.0 | 9.5 | 16.5 | 27.0 | 133.5 | |
| B | 134 | 340.0 | 300.0 | 12.0 | 215 | 27.0 | 170.9 | |
| M | 248 | 377.0 | 309.0 | 21.0 | 40.0 | 27.0 | 315.8 | |
| HE360 | AA | 83.7 | 339.0 | 300.0 | 9.0 | 12.0 | 27.0 | 106.6 |
| A | 112 | 350.0 | 300.0 | 10.0 | 17.5 | 27.0 | 142.8 | |
| B | 142 | 360.0 | 300.0 | 12.5 | 22.5 | 27.0 | 180.6 | |
| M | 250 | 395.0 | 308.0 | 21.0 | 40.0 | 27.0 | 318.8 | |
| HE400 | AA | 92.4 | 378.0 | 300.0 | 9.5 | 13.0 | 27.0 | 117.7 |
| A | 125 | 390.0 | 300.0 | 11.0 | 19.0 | 27.0 | 159.0 | |
| B | 155 | 400.0 | 300.0 | 13.5 | 24.0 | 27.0 | 197.8 | |
| M | 256 | 432.0 | 307.0 | 21.0 | 40.0 | 27.0 | 325.8 | |
| HE450 | AA | 99.8 | 425.0 | 300.0 | 10.0 | 13.5 | 27.0 | 127.1 |
| A | 140 | 440.0 | 300.0 | 11.5 | 21.0 | 27.0 | 178.0 | |
| B | 171 | 450.0 | 300.0 | 14.0 | 26.0 | 27.0 | 218.0 | |
| M | 263 | 478.0 | 307.0 | 21.0 | 40.0 | 27.0 | 335.4 | |
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