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MN13 | Grade A | 10045-1 Abrasion Resistant Steel Plate

Mn13 is a high-manganese steel known for its wear resistance and toughness. “Mn” representing manganese and “13” indicating the manganese content percentage, designation indicates approximately 12-14% manganese. Originating in China, used in industries needing high abrasion resistance. Mn13 is similar to ASTM A128 Grade A and is also called Hadfield steel. Its ideal for mining and heavy machinery applications.

What is Mn13 steel?

Mn13 is a high-manganese wear-resistant steel with about 13% manganese content, belonging to high-carbon high-manganese alloy steel. It has an austenitic structure at room temperature, with its surface rapidly hardening under impact or wear while maintaining toughness inside. Featuring excellent wear and impact resistance, it’s used in mining machinery, construction equipment and other scenarios with strong impact and wear. Its Chinese equivalent is ZGMn13, and it requires impact conditions to unleash its performance.

 Grade :     GX120Mn13
    Number:     1.3802
    Classification:     Austenitic manganese steel for casting
    Standard:   EN 10349: 2009 Steel castings. Austenitic manganese steel castings

Applications of Mn13 Steel Plate

Mn13 steel plates are widely used in multiple industries due to their excellent properties:

Mining Machinery:

In the manufacturing of excavators, loaders, crushers and other equipment, Mn13 steel plates are used to fabricate wear-resistant components such as buckets and 破碎 hammers.

Coal Industry:

Applied to wear-resistant parts in coal conveying systems like conveyor chutes and skid plates, as well as abrasion-resistant components for roadheaders, coal shearers and other equipment.

Steel Industry:

Playing a critical role in high-temperature and high-wear environments, it is used to manufacture various wear-resistant parts, enhancing equipment service life and safety.

Agricultural Machinery:

Used for producing wear-resistant components of tractors, harvesters and other equipment, such as plowshares and conveyor belts, to improve equipment abrasion resistance and durability.

Other Fields:

Widely applied in infrastructure construction of power, petrochemical, environmental protection, railway, highway, bridge and other sectors, such as manufacturing railway switches, frog rails, wear-resistant guardrails and protective plates.

Mn13 Surface Finish

  1. Surface Hardening:
    Includes flame and induction hardening. Rapid surface heating followed by cooling to harden and increase wear resistance.
  2. Carburizing:
    Heat in a carbon-rich environment at high temperature. Carbon diffuses into the surface, enhancing hardness and wear resistance.
  3. Nitriding:
    Heat in a nitrogen or ammonia atmosphere. Nitrogen atoms diffuse into the surface, forming a hard layer with improved hardness and corrosion resistance.
  4. Carbonitriding:
    Similar to carburizing but with nitrogen addition. Enhances surface hardness and wear resistance.
  5. Electroplating:
    Electrochemically deposit a metal layer (e.g., chromium, nickel) on the steel surface. Improves wear resistance, corrosion resistance, and appearance.
  6. Thermal Spraying:
    Apply a high-hardness, wear-resistant coating (e.g., aluminum oxide, tungsten carbide) using thermal spraying techniques.

Custom surface treatment requirements can be accommodated upon request.

Specification Parameters
Basic Information

GX120Mn13 (1.3802) Chemical Composition % 

C Si Mn P S
1.05 – 1.35 0.3 – 0.9 11 – 14 max   0.06 max   0.045

Specification Parameters

Mn13 Abrasion Plate Mechanical Properties:

Tensile Strength Reduction Impact property20°C Initial NMness value(HB) NMness value after NMening (HB)
Grade Rm(Mqa) of area A(%)
Mn13 ≥800MPa ≥40% ak≥90(J) 200-250 >300
Service Support
MN13 | Grade A | 10045-1 Abrasion Resistant Steel Plate

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