ASTM A600 M3 Class 2 Introduce
ASTM A600 M3 Class 2 steel is a type of high strength, alloyed steel that has been used for various engineering and industrial applications since the mid 20th century. It is a versatile material that is both light and strong, while steel with this name may often be referred to as a "general purpose steel" because of its wide range of uses, ASTM A600 M3 Class 2 steel is actually a specific grade of steel, with specific chemical properties and specifications.
Smelting temperature:1566°C - 1568°C
Application:Tool Steel High Speed
ASTM A600 M3 Class 2 Material Chemical Composition
The chemical composition of the ASTM A600 M3 Class 2 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Tungsten (W) | 5.0000 | 6.7500 |
| Vanadium (V) | 2.7500 | 3.2500 |
| Molybdenum (Mo) | 4.7500 | 6.5000 |
| Chromium (Cr) | 3.7500 | 4.5000 |
| PhOsphorus (P) | - | 0.0300 |
| Sulfur (S) | - | 0.0300 |
| Manganese (Mn) | 0.1500 | 0.4000 |
| Silicon (Si) | 0.2000 | 0.4500 |
| Carbon (C) | 1.1500 | 1.4000 |
| Sulfur (S) | - | 0.0300 |
| (Ni+Cu) | - | 0.7500 |
| Carbon (C) | 1.1500 | 1.2500 |
ASTM A600 M3 Class 2 Material Mechanical Properties
The mechanical properties of the ASTM A600 M3 Class 2 steel are as follows:
| YieldRp0.2 | ≤ 347 (MPa) |
| TeileRm | ≤ 925 (MPa) |
| ImpactKV/Ku | 22(J) |
| ElongationA | 32% |
| Reduction in cross section on fractureZ | 43% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 222 |
ASTM A600 M3 Class 2 Material Thermal Properties
The thermal performance parameters of the ASTM A600 M3 Class 2 steel are as follows:
| Temperature (°C) | 34 | 734 | 749 |
| Modulus of elasticity (GPa) | - | 283 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 23 |
| Thermal conductivity (W/m·°C) | - | 13.3 | 43.2 |
| Specific thermal capacity (J/kg·°C) | - | 232 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.21 | - | - |
| Deity (kg/dm³) | - | - | 332 |
| Poisson’s coefficient, ν | - | - | 413 |