UK B.S. BS 970, EN30B Specialsteel Wrought steels for mechanical and allied engineering purposes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Specialsteel | EN30B | B.S. | UK | Wrought steels for mechanical and allied engineering purposes |
| C | Si | Mn | Ni | Cr | Mo | P | S |
|---|---|---|---|---|---|---|---|
| 0.26 -0.34 | 0.10 -0.35 | 0.45 -0.70 | 3.90 -4.30 | 1.10 -1.40 | 0.20 -0.35 | ≤0.025 | ≤0.025 |
| Yield Rp0.2 (MPa) |
Tensile Rm (MPa) |
Impact KV/Ku (J) |
Elongation A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 865 (≥) | 111 (≥) | 43 | 12 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 431 |
| Temperature (°C) |
Modulus of elasticity (GPa) |
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) |
Specific thermal capacity (J/kg·°C) |
Specific electrical resistivity (Ω mm²/m) |
Density (kg/dm³) |
Poisson’s coefficient, ν |
|---|---|---|---|---|---|---|---|
| 13 | - | - | 0.33 | - | |||
| 254 | 882 | - | 34.3 | 343 | - | ||
| 545 | - | 12 | 41.2 | 213 | 232 |
Heat treated : 1773°C - 1178°C
| BS 970 | Wrought steels for mechanical and allied engineering purposes | BS-970.pdf |
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