ASTM A579 Grade 21 Type 1, Quench and Tempered
Equivalent material: ASTM Grade 21
ASTM A579 Grade 21 Type 1, Quench and Tempered general
| Property |
Temperature |
Value |
Comment |
| Density |
20.0 °C |
Density of 7.8 - 7.9 g/cm³ |
Typical for Nickel Chromium Molybdenum Steel |
ASTM A579 Grade 21 Type 1, Quench and Tempered thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
20.0 °C |
Coefficient of thermal expansion of 1E-5 - 1.3E-5 1/K |
Typical for Nickel Chromium Molybdenum Steel |
| Melting point |
- |
Melting point of 1382 - 1529 °C |
Typical for Nickel Chromium Molybdenum Steel |
| Thermal conductivity |
20.0 °C |
Thermal conductivity of 34 - 54 W/(m·K) |
Typical for Nickel Chromium Molybdenum Steel |
ASTM A579 Grade 21 Type 1, Quench and Tempered chemical
| Property |
Value |
| Carbon |
Carbon of 0.31 - 0.38 % |
| Chromium |
Chromium of 0.65 - 0.9 % |
| Manganese |
Manganese of 0.6 - 0.9 % |
| Molybdenum |
Molybdenum of 0.3 - 0.6 % |
| Nickel |
Nickel of 1.65 - 2 % |
| Phosphorus |
Phosphorus of 0.03 % |
| Silicon |
Silicon of 0.2 - 0.35 % |
| Sulfur |
Sulfur of 0.025 % |
| Vanadium |
Vanadium of 0.17 - 0.23 % |
ASTM A579 Grade 21 Type 1, Quench and Tempered mechanical
| Property |
Temperature |
Value |
Comment |
| Charpy impact energy |
20.0 °C |
Charpy impact energy of 20 - 45 J |
- |
| Elastic modulus |
20.0 °C |
Elastic modulus of 200 - 215 GPa |
Typical for Nickel Chromium Molybdenum Steel |
| Elongation |
20.0 °C |
Elongation of 9 - 13 % |
- |
| Poisson's ratio |
20.0 °C |
Poisson's ratio of 0.29 [-] |
Typical for Nickel Chromium Molybdenum Steel |
| Reduction of area |
20.0 °C |
Reduction of area of 28 - 40 % |
- |
| Tensile strength |
20.0 °C |
Tensile strength of 1035 - 1450 MPa |
- |
| Yield Strength Rp0.2, short transverse |
20.0 °C |
Yield Strength Rp0.2, short transverse of 965 - 1380 MPa |
- |
Lay the foundations of growth and success with our reliable steel materials.
-- Our promise
Similar or equivalent steel materials
Get a quote