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) |
---|---|---|---|---|---|---|
391 (≥) | 612 (≥) | 12 | 24 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 242 |
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 |
---|---|---|---|---|---|---|---|
768 (≥) | 659 (≥) | 24 | 43 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 132 | |
Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
774 | 322 | 965 |
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