Russia GOST 25X18H9C2 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 | 25X18H9C2 | 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 |
---|---|---|---|---|---|---|---|---|
0.20 -0.30 | 2.20 -2.80 | 0.40 -0.70 | ≤0.030 | ≤0.020 | 17.00 -19.00 | 8.00 -10.00 | 0.20 -0.50 | 2.00 -2.60 |
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) |
---|---|---|---|---|---|---|
639 (≥) | 354 (≥) | 31 | 11 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 311 |
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 |
---|---|---|---|---|---|---|---|
11 | - | - | 0.33 | - | |||
679 | 899 | - | 34.3 | 342 | - | ||
518 | - | 12 | 21.2 | 133 | 414 |
Heat treated : 1227°C - 1858°C
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