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) |
---|---|---|---|---|---|---|
696 (≥) | 459 (≥) | 44 | 11 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 123 |
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 |
---|---|---|---|---|---|---|---|
44 | - | - | 0.32 | - | |||
311 | 375 | - | 13.3 | 233 | - | ||
412 | - | 24 | 34.2 | 333 | 112 |
Heat treated : 1398°C - 1576°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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