GNEE STEEL is pleased to announce a strategic partnership with a leading South Korean manufacturer of fire-resistant safes, supplying Mn13 high manganese steel plate for their new high-security safe project. This collaboration leverages the exceptional properties of Mn13 material to enhance the product's impact resistance and fireproofing capabilities, meeting the growing global demand for high-security storage solutions.
Key Features of Mn13 High Manganese Steel Plate
High Strength & Wear Resistance: Mn13 contains 0.90-1.20% carbon and 11.00-14.00% manganese, with a tensile strength ≥900MPa and elongation ≥40%. Under dynamic impact, its surface hardness can exceed 500HB, significantly improving durability.
Work Hardening Capability: Under high-stress or abrasive conditions, the material continuously forms a hardened surface layer, extending service life by multiple times compared to conventional steels.
Non-Magnetic Properties: Ideal for specialized applications such as ballistic vehicles and high-security safes.
Mn13 High Manganese Steel
Mn13 high manganese steel, with its exceptional wear-resistant properties, plays a crucial role in mechanical equipment. This steel is widely used in components subjected to severe impact wear, such as wear-resistant liners. Previously, foreign wear-resistant machinery manufacturers have gradually phased out castings in favor of Mn13 high manganese steel rolled plates to enhance durability.
Mn13 Abrasion Resistant Steel Applications
Mn13 high manganese steel rolled plates, renowned for their outstanding wear resistance, are employed in equipment like blasting machine wear layers, power plant fan mill blades, ball mills, and crushers. They are also used in safes and armored vehicles, which similarly require resistance to strong impact wear. In industries such as shipbuilding, automotive, machinery manufacturing, power equipment, cement production, mining, and coal, Mn13 high manganese steel has been highly favored by foreign and joint-venture enterprises, becoming the preferred wear-resistant material for high-end users.
MN13 Grade Manganese Plates Chemical Composition
| C | Mn | Si | P | S |
|---|---|---|---|---|
| 1.10 – 1.30 | 13.00 | 0,30 – 0,50 | max. 0,100 | max. 0,04 |
MN13 Grade Manganese Plates Mechanical Properties
| Dimensions | Yield point N/mm² | Tensile strength N/mm² | Ductile yield (Lo=5do) | Contraction % |
|---|---|---|---|---|
| <= 16 mm | >= 410 | 680 – 1180 | >= 40 | >= 40 |
| 17 mm – 40 mm | >= 390 | 830 – 1080 | >= 42 | >= 40 |
| 41 mm – 100 mm | >= 345 | 780 – 1080 | >= 45 | >= 45 |
Mn13 12-14% Manganese Steel Plates Trend
Overall, the widespread application of Mn13 high manganese steel marks a new trend in wear-resistant materials. With its unparalleled wear resistance, it is gradually replacing traditional materials and emerging as the inevitable choice for future wear-resistant equipment selection.
Mn13 High Manganese Steel Overview
Mn13 high manganese steel is the optimal wear-resistant material for equipment subjected to strong impact, high pressure, and material wear, primarily used in machinery for metallurgy, mining, and construction, as well as advanced devices like maglev trains and safes.
Mn13 grade manganese plate Key Features
Excellent work-hardening characteristics: When subjected to significant impact loads or contact stress, the surface of Mn13 steel plates hardens rapidly, significantly increasing surface hardness.
Dual-layer structural advantage: The steel plate surface forms a high-wear-resistant layer, while the inner austenite maintains good impact toughness.
Continuous hardening capability: The surface hardening layer of Mn13 steel continuously forms new hardened layers during wear, extending service life.
Mn13 grade manganese plate Applications
Metallurgy, mining, and construction machinery: Due to its superior wear resistance, Mn13 steel plates are the preferred material for components subjected to strong impact and high-pressure wear in these industries.
Maglev trains: The application of Mn13 steel plates in maglev trains highlights their high-tech content and advanced performance.
Security equipment (e.g., safes): The high hardness and impact resistance of Mn13 steel plates make them ideal for manufacturing security equipment.
Reduced usage and maintenance costs: Mn13 steel plates are easy to cut, weld, and bend, lowering the cost of wear parts and equipment maintenance, thus enhancing the competitiveness of finished products.
This partnership highlights our technical expertise in specialty steel supply chains. Mn13 high manganese steel plate will be a cornerstone material for our client's high-security safes, meeting the stringent demands for durability and fire resistance.
MN13 Grade Manganese Plates Specifications
| Item | MN13 Steel |
|---|---|
| Width | 1000 upto 3000mm |
| Standard Grade | DIN : 1.3401, XAR400, XAR300, XAR450, XAR600, XAR500, X120Mn12 EN : QUARD450, QUARD400, QUARD500; RAEX320, RAEX500, RAEX400 NF : FORA500, FORA400,; Creusabro8000, Creusabro4800 GB : NM360, Mn13, NM600, NM400, NM450, NM500, NM550 JIS : JFE-EH400, JFE-EH360, JFE-EH500; WEL-HARD500, WEL-HARD400 |
| Delivery State | controlled rolling, hot-rolled, normalizing, tempering, annealing, quenching, N+T, Q+T |
| Thickness | 2 upto 300mm |
| Surface | clean, blasting, finishing, and painting |
| Length | 1000 upto 12000mm |
Mn13 Heat Treatment Instructions
Solution Treatment:
Heat to 1050-1100°C, hold, then rapidly cool (usually in water). Eliminates internal stress, improves toughness and ductility.
Aging Treatment:
Heat at 200-500°C for an extended period. Precipitation hardens to increase strength and hardness.
Quenching:
Heat to 900-1000°C, then rapidly cool. Significantly increases hardness and wear resistance, but may reduce toughness.
Tempering:
Reheat quenched steel to 200-600°C, then cool. Reduces brittleness, increases toughness and ductility.
Normalizing:
Heat above Ac3 or Ac4 (850-950°C), then air cool. Enhances mechanical properties and refines grain structure.
Annealing:
Heat above Ac1 (700-800°C), hold, then slowly cool. Reduces hardness, improves plasticity and toughness, relieves internal stress.
Mn13 Surface Finish
Surface Hardening:
Includes flame and induction hardening. Rapid surface heating followed by cooling to harden and increase wear resistance.
Carburizing:
Heat in a carbon-rich environment at high temperature. Carbon diffuses into the surface, enhancing hardness and wear resistance.
Nitriding:
Heat in a nitrogen or ammonia atmosphere. Nitrogen atoms diffuse into the surface, forming a hard layer with improved hardness and corrosion resistance.
Carbonitriding:
Similar to carburizing but with nitrogen addition. Enhances surface hardness and wear resistance.
Electroplating:
Electrochemically deposit a metal layer (e.g., chromium, nickel) on the steel surface. Improves wear resistance, corrosion resistance, and appearance.
Thermal Spraying:
Apply a high-hardness, wear-resistant coating (e.g., aluminum oxide, tungsten carbide) using thermal spraying techniques.
