Russia GOST 80X20HC 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 | 80X20HC | GOST | Russia | Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition |
| C | Si | Mn | P | S | Cr | Ni | Mo |
|---|---|---|---|---|---|---|---|
| 0.70 -0.80 | 1.25 -1.75 | 0.40 -0.70 | ≤0.035 | ≤0.030 | 19.00 -21.00 | ≤ ≥ | 1.40 -1.80 |
| 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) |
|---|---|---|---|---|---|---|
| 355 (≥) | 765 (≥) | 12 | 31 | 42 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 114 |
| 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 | - | - | 0.32 | - | |||
| 976 | 827 | - | 43.3 | 234 | - | ||
| 549 | - | 24 | 41.2 | 143 | 413 |
Heat treated : 1384°C - 1693°C
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