ASTM A437 Grade B4D
Equivalent material: DIN 1.7711, DIN 40CrMoV4-6, DIN 40CrMoV4-7, AFNOR 40CrMoV4-6, BS 670-860, AISI A193B16, SAE A193B16, JIS SNB16, JIS SNB21-1, JIS SNB21-2, JIS SNB21-3, JIS SNB21-4, JIS SNB21-5, EN 40CrMoV4-7, EN 40CrMoV4-6, EN 1.7711, ASTM Grade B16, UNS K14675, UNS K14072
ASTM A437 Grade B4D general
| Property |
Temperature |
Value |
Comment |
| Density |
23.0 °C |
Density of 7.8 - 7.9 g/cm³ |
Typical for Chromium Molybdenum Steel |
ASTM A437 Grade B4D thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
23.0 °C |
Coefficient of thermal expansion of 1.1E-5 - 1.4E-5 1/K |
Typical for Chromium Molybdenum Steel |
| Melting point |
- |
Melting point of 1382 - 1529 °C |
Typical for Chromium Molybdenum Steel |
| Specific heat capacity |
23.0 °C |
Specific heat capacity of 448 - 502 J/(kg·K) |
Typical for Chromium Molybdenum Steel |
| Thermal conductivity |
23.0 °C |
Thermal conductivity of 36 - 43 W/(m·K) |
Typical for Chromium Molybdenum Steel |
ASTM A437 Grade B4D chemical
| Property |
Value |
| Aluminium |
Aluminium of 0.015 % |
| Carbon |
Carbon of 0.36 - 0.44 % |
| Chromium |
Chromium of 0.8 - 1.15 % |
| Manganese |
Manganese of 0.45 - 0.7 % |
| Molybdenum |
Molybdenum of 0.5 - 0.65 % |
| Phosphorus |
Phosphorus of 0.04 % |
| Silicon |
Silicon of 0.2 - 0.35 % |
| Sulfur |
Sulfur of 0.04 % |
| Vanadium |
Vanadium of 0.25 - 0.35 % |
ASTM A437 Grade B4D mechanical
| Property |
Temperature |
Value |
Comment |
| Charpy impact energy |
23.0 °C |
Charpy impact energy of 34 J |
- |
| Elastic modulus |
23.0 °C |
Elastic modulus of 200 - 215 GPa |
Typical for Chromium Molybdenum Steel |
| Elongation A50 |
23.0 °C |
Elongation A50 of 16 - 18 % |
- |
| Hardness, Brinell |
23.0 °C |
Hardness, Brinell of 263 - 311 [-] |
- |
| Hardness, Rockwell C |
23.0 °C |
Hardness, Rockwell C of 27 - 33 [-] |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.29 [-] |
Typical for Chromium Molybdenum Steel |
| Reduction of area |
23.0 °C |
Reduction of area of 45 - 50 % |
- |
| Tensile strength |
23.0 °C |
Tensile strength of 690 - 860 MPa |
- |
| Yield strength Rp0.2 |
23.0 °C |
Yield strength Rp0.2 of 585 - 720 MPa |
- |
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