UK B.S. BS 970, En19 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 | En19 | B.S. | UK | Wrought steels for mechanical and allied engineering purposes |
| Si | S | P | Mo | Mn | Cr | C |
|---|---|---|---|---|---|---|
| 0.1000 -0.4000 | ≤0.0400 | ≤0.0350 | 0.2500 -0.3500 | 0.7000 -1.0000 | 0.9000 -1.2000 | 0.3600 -0.4400 |
| 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) |
|---|---|---|---|---|---|---|
| 664 (≥) | 244 (≥) | 41 | 24 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 322 |
| 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 |
|---|---|---|---|---|---|---|---|
| 33 | - | - | 0.41 | - | |||
| 469 | 521 | - | 21.3 | 414 | - | ||
| 922 | - | 13 | 21.2 | 332 | 442 |
Heat treated : 1566°C - 1185°C
| Grade | Standard | Country | Application |
|---|---|---|---|
| S41400 | |||
| NV7 (4140) | |||
| H41400 | |||
| S41400 | |||
| AISI 4140 | |||
| SAE 4140 | |||
| UNS G41400 | |||
| AISI TS4140 | |||
| ASTM 4140 | |||
| UNS G41400 | |||
| ASTM 4140 | |||
| ASTM 4140H | |||
| UNS H41400 | |||
| 4140 | |||
| SAE 4140H | |||
| UNS H41400 | |||
| SAE 4140RH | |||
| ICI 4140 | |||
| SAE NV7(4140) | |||
| SAE NV7(4140) |
| BS 970 | Wrought steels for mechanical and allied engineering purposes | BS-970.pdf |
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