Germany DIN X70CrMnNiN21-6 Valve steel and X70CrMnNiN21-6 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Type | Steel Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Special Steel | X70CrMnNiN21-6 | DIN | Germany | Valve steel |
X33CrNiMnN23-8 |
|||||
1.4870 |
|||||
X53CrMnNiNbN21-9 |
|||||
X53CrMnNiN21-9 |
|||||
1.4871 |
|||||
1.4873 |
|||||
X45CrNiW18-9 |
|||||
X55CrMnNiN20-8 |
|||||
1.4875 |
|||||
1.4881 |
C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | N(%) |
---|---|---|---|---|---|---|---|
0.65-0.75 | Max 0.80 | 5.50-7.00 | Max 0.050 | Max 0.02-0. | 20.00-22.00 | 1.40-1.90 | 0.18-0.28 |
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) |
---|---|---|---|---|---|---|
757 (≥) | 862 (≥) | 42 | 43 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 131 |
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 |
---|---|---|---|---|---|---|---|
34 | - | - | 0.32 | - | |||
749 | 426 | - | 42.3 | 134 | - | ||
654 | - | 12 | 11.2 | 412 | 312 |
Heat treated : 1693°C - 1238°C
Grade | Standard | Country | Application |
---|---|---|---|
X70CrMnNiN21-6 | DIN | Germany | Valve steel |
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