Russia GOST 25X17H2 Specialsteel Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Specialsteel | 25X17H2 | GOST | Russia | Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition |
C | Si | Mn | P | S | Cr | Ni | Mo | W |
---|---|---|---|---|---|---|---|---|
0.22 -0.28 | 0.30 -0.70 | ≤0.30 | ≤0.030 | ≤0.030 | 16.30 -17.70 | 2.00 -2.50 | ≤0.30 | 2.00 -2.50 |
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) |
---|---|---|---|---|---|---|
975 (≥) | 861 (≥) | 41 | 33 | 33 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 143 |
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 |
---|---|---|---|---|---|---|---|
22 | - | - | 0.43 | - | |||
888 | 439 | - | 13.3 | 232 | - | ||
257 | - | 32 | 13.2 | 333 | 233 |
Heat treated : 1315°C - 1518°C
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