Mn13(X120Mn12) High Manganese Steel Overview
Mn13 is a Chinese steel grade, known for its excellent impact and abrasion resistance. It is commonly used in industries requiring high impact wear resistance, such as mining, metallurgy, road machinery, and special engineering.
Key Specifications
- Grade: Mn13 (China), X120Mn12 (Europe), ASTM A128, 120Mn12 (Germany)
- Products: High manganese steel plates, round bars, flat bars, and wire.
- Available Stock Sizes:
- TISCO Plates: 2.0mm – 5.0mm thickness, 1000mm x 2000mm
- Baosteel Plates: 6.0mm – 20.0mm thickness, 2000mm x 6000mm
- Custom Orders: Plates with widths between 1500mm and 2440mm, lengths between 4000mm and 8000mm, can be made to order.
Chemical Composition (%)
- Carbon (C): 1.00 – 1.30
- Silicon (Si): 0.25 – 0.50
- Manganese (Mn): 11.00 – 14.00
- Sulfur (S): ≤ 0.040
- Phosphorus (P): ≤ 0.100
- Chromium (Cr): 1.50
Mechanical Properties
- Tensile Strength: 880 – 1130 MPa
- Yield Strength: ≥ 410 MPa
- Elongation: ≥ 40%
- Shock Absorption (Akv): 124 J (at room temperature)
- Hardness: ≤ 229 HB
Mn13 Characteristics
- Impact Resistance: Mn13 hardens upon impact, making it more resistant to wear over time.
- Abrasion Resistance: Ideal for industries that experience heavy wear and stress, such as shot blasting, mining, and road construction.
- Work Hardening: As the surface wears, a new hardening layer forms, ensuring continuous protection.
- Ease of Processing: It can be easily cut, welded, bent, and machined, making it versatile for different applications.
Applications
Mn13 is widely used in machinery, electrical equipment, coal processing, and other high-wear industries. Its high impact resistance and excellent wear properties make it the best choice for reducing equipment maintenance costs and enhancing product competitiveness.
Heat Treatment
- Specification: Solid solution heat treatment ensures optimal mechanical properties.
|
C |
Si |
Mn |
P |
S |
Cr |
|
1.0~1.3 |
0.3~0.5 |
11.0~14.0 |
≤0.100 |
≤0.040 |
(≤1.50) |
M
|
tensile strength Rm(Mqa) |
yield strength Re(Mpa) |
reduction of area A(%) |
ballistic work Akv(J) |
|
880~1130 |
≥410 |
≥40 |
124(normal temperature) |
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