Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.38 | 0.47 | ||
| Si | 0.90 | 1.40 | ||
| Mn | 6.00 | 8.00 | ||
| P | - | 0.035 | ||
| S | - | 0.020 | ||
| Cr | 14.00 | 16.00 | ||
| Ni | 6.00 | 8.00 | ||
| Mo | 0.65 | 0.95 | ||
| W | - | 0.20 | ||
| Ti | - | 0.20 | ||
| V | 1.50 | 1.90 |
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) |
|---|---|---|---|---|---|---|
| 946 (≥) | 279 (≥) | 12 | 24 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 341 |
| 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 |
|---|---|---|---|---|---|---|---|
| 268 (≥) | 432 (≥) | 43 | 34 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 431 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 717 | 395 | 184 |
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