Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.03 | ||
| Si | - | 0.60 | ||
| Mn | 1.80 | 2.50 | ||
| P | - | 0.030 | ||
| S | - | 0.020 | ||
| Cr | 20.00 | 22.00 | ||
| Ni | 20.00 | 22.00 | ||
| Mo | 3.40 | 3.70 | ||
| W | - | 0.20 | ||
| Ti | - | 0.20 | ||
| Nb | 15×C | 0.80 |
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) |
|---|---|---|---|---|---|---|
| 321 (≥) | 536 (≥) | 13 | 44 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 144 |
| 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 |
|---|---|---|---|---|---|---|---|
| 726 (≥) | 766 (≥) | 32 | 14 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 344 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 693 | 629 | 829 |
We can customize the production of 03X21H21M4ΓБ grade, contact us for the best solution.
–sales@specificsteel.com