Russia GOST 20X12H12Γ6 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 | 20X12H12Γ6 | 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 | V | 
|---|---|---|---|---|---|---|---|---|---|
| 0.15 -0.25 | ≤0.50 | 6.00 -7.00 | ≤0.035 | ≤0.030 | 10.00 -12.00 | 10.00 -13.00 | ≤ ≥ | 1.60 -2.20 | 0.40 -0.70 | 
| 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) | 
|---|---|---|---|---|---|---|
| 358 (≥) | 343 (≥) | 41 | 42 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 321 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 13 | - | - | 0.13 | - | |||
| 485 | 487 | - | 13.3 | 431 | - | ||
| 854 | - | 24 | 11.2 | 143 | 133 | 
Heat treated : 1971°C - 1992°C
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