Russia GOST 12X21H5T 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 | Type | Standard | Country | Application | 
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | 12X21H5T | Duplex steel | 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 | Ti | Al | 
|---|---|---|---|---|---|---|---|---|---|---|
| 0.09 -0.14 | ≤0.80 | ≤0.80 | ≤0.035 | ≤0.025 | 20.00 -22.00 | 4.80 -5.80 | ≤0.30 | ≤0.20 | 0.25 -0.50 | ≤0.08 | 
| 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) | 
|---|---|---|---|---|---|---|
| 367 (≥) | 562 (≥) | 14 | 12 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 431 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 32 | - | - | 0.33 | - | |||
| 116 | 668 | - | 33.3 | 123 | - | ||
| 729 | - | 43 | 33.2 | 233 | 414 | 
Heat treated : 1793°C - 1885°C
| Grade | Standard | Country | Application | 
|---|---|---|---|
| 12X21H5T | 
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