Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.05 | ||
| Si | 0.20 | 0.80 | ||
| Mn | 2.00 | 2.80 | ||
| P | - | 0.035 | ||
| S | - | 0.020 | ||
| Cr | 20.00 | 22.00 | ||
| Ni | 12.00 | 13.00 | ||
| Mo | - | 0.30 | ||
| Zr | 0.51 | 0.80 | ||
| V | 0.25 | 0.50 | ||
| Al | 0.20 | 0.65 | ||
| Nb | - | 0.20 |
Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition
| Proof strength Rp0.2 (MPa) |
Tensile strength Rm (MPa) |
Impact energy KV (J) |
Elongation at fracture A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 898 (≥) | 241 (≥) | 13 | 13 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 442 |
| Property | Density kg/dm3 |
Temperature T °C/F |
Specific heat J / kgK |
Thermal conductivity W/mK |
Electric resistance µΩ·cm |
Modulus of elasticity kN/mm2 |
Expansion rate |
|---|---|---|---|---|---|---|---|
| 677 (≥) | 356 (≥) | 34 | 44 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 133 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 856 | 525 | 875 |
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