UK B.S. BS 970-1, 030 A 04 Specialsteel Specification for wrought steels for mechanical and allied engineering purposes. General inspection and testing procedures and specific requirements for carbon, carbon manganese, alloy and stainless steels and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Specialsteel | 030 A 04 | B.S. | UK | Specification for wrought steels for mechanical and allied engineering purposes. General inspection and testing procedures and specific requirements for carbon, carbon manganese, alloy and stainless steels |
| C | Si | Mn | P | S | Cr | Ni | Mo |
|---|---|---|---|---|---|---|---|
| ≤0.0800 | 0.2000 -0.0500 | 0.2000 -0.2000 | ≤0.0500 | ≤0.0500 | ≤0.3000 | ≤0.4000 | ≤0.1500 |
| 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) |
|---|---|---|---|---|---|---|
| 167 (≥) | 798 (≥) | 21 | 31 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 342 |
| 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 |
|---|---|---|---|---|---|---|---|
| 11 | - | - | 0.44 | - | |||
| 964 | 373 | - | 33.3 | 113 | - | ||
| 262 | - | 11 | 34.2 | 233 | 323 |
Heat treated : 1443°C - 1446°C
| BS 970-1 | Specification for wrought steels for mechanical and allied engineering purposes. General inspection and testing procedures and specific requirements for carbon, carbon manganese, alloy and stainless steels | BS-970-1.pdf |
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