France AFNOR NF EN 10269, 19MnB4 Specialsteel Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Specialsteel | 19MnB4 | AFNOR | France | Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties |
| C | Si | Mn | P | S | Cr | Ni | Mo | Al | B |
|---|---|---|---|---|---|---|---|---|---|
| 0.17 -0.24 | ≤0.40 | 0.80 -1.15 | ≤0.035 | ≤0.035 | ≤ ≥ | ≤ ≥ | ≤ ≥ | ≤0.020 | 0.0008 -0.0050 |
| 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) |
|---|---|---|---|---|---|---|
| 252 (≥) | 361 (≥) | 23 | 22 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 211 |
| 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 |
|---|---|---|---|---|---|---|---|
| 43 | - | - | 0.34 | - | |||
| 424 | 741 | - | 22.3 | 144 | - | ||
| 252 | - | 13 | 42.2 | 212 | 413 |
Heat treated : 1192°C - 1627°C
| NF EN 10269 | Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties | NF-EN-10269.pdf |
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