ASTM A487 Grade 7 Class A, Heat-Treated
Equivalent material: ASTM Grade 7, UNS G41400, ASTM 7, UNS K21903
ASTM A487 Grade 7 Class A, Heat-Treated general
| Property |
Temperature |
Value |
Comment |
| Density |
20.0 °C |
Density of 7.6 - 7.7 g/cm³ |
Typical for Martensitic Stainless Steel |
ASTM A487 Grade 7 Class A, Heat-Treated thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
20.0 °C |
Coefficient of thermal expansion of 1E-5 - 1.5E-5 1/K |
Typical for Martensitic Stainless Steel |
| Melting point |
- |
Melting point of 1375 - 1450 °C |
Typical for Martensitic Stainless Steel |
| Specific heat capacity |
20.0 °C |
Specific heat capacity of 460 J/(kg·K) |
Typical for Martensitic Stainless Steel |
| Thermal conductivity |
20.0 °C |
Thermal conductivity of 14 - 31 W/(m·K) |
Typical for Martensitic Stainless Steel |
ASTM A487 Grade 7 Class A, Heat-Treated chemical
| Property |
Value |
| Boron |
Boron of 2E-3 - 6E-3 % |
| Carbon |
Carbon of 0.05 - 0.2 % |
| Copper |
Copper of 0.5 % |
| Manganese |
Manganese of 0.6 - 1 % |
| Molybdenum |
Molybdenum of 0.4 - 0.6 % |
| Phosphorus |
Phosphorus of 0.04 % |
| Silicon |
Silicon of 0.8 % |
| Sulfur |
Sulfur of 0.035 % |
| Tungsten |
Tungsten of 0.1 % |
ASTM A487 Grade 7 Class A, Heat-Treated electrical
| Property |
Temperature |
Value |
Comment |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 6E-7 Ω·m |
Typical for Martensitic Stainless Steel |
ASTM A487 Grade 7 Class A, Heat-Treated mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
20.0 °C |
Elastic modulus of 220 GPa |
Typical for Martensitic Stainless Steel |
| Elongation A50 |
20.0 °C |
Elongation A50 of 15 % |
- |
| Poisson's ratio |
20.0 °C |
Poisson's ratio of 0.3 [-] |
Typical for Martensitic Stainless Steel |
| Reduction of area |
20.0 °C |
Reduction of area of 30 % |
- |
| Tensile strength |
20.0 °C |
Tensile strength of 795 MPa |
- |
| Yield Strength Rp0.2, short transverse |
20.0 °C |
Yield Strength Rp0.2, short transverse of 690 MPa |
- |
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