Russia GOST 08X18Γ8H2T 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 | 08X18Γ8H2T | 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 |
|---|---|---|---|---|---|---|---|---|---|
| ≤0.08 | ≤0.80 | 7.00 -9.00 | ≤0.035 | ≤0.025 | 17.00 -19.00 | 1.80 -2.80 | ≤0.30 | ≤0.20 | 0.20 -0.50 |
| 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) |
|---|---|---|---|---|---|---|
| 294 (≥) | 849 (≥) | 31 | 12 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 344 |
| 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 |
|---|---|---|---|---|---|---|---|
| 31 | - | - | 0.33 | - | |||
| 171 | 755 | - | 23.3 | 231 | - | ||
| 972 | - | 43 | 32.2 | 221 | 224 |
Heat treated : 1225°C - 1267°C
| Grade | Standard | Country | Application |
|---|---|---|---|
| 08X18Γ8H2T |
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