Russia GOST 15X18H12C4TЮ 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 | Type | Standard | Country | Application | 
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | 15X18H12C4TЮ | Duplex steel | GOST | Russia | Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition | 
| C | Si | Mn | P | S | Cr | Ni | Mo | W | Ti | Al | 
|---|---|---|---|---|---|---|---|---|---|---|
| 0.12 -0.17 | 3.80 -4.50 | 0.50 -1.00 | ≤0.035 | ≤0.030 | 17.00 -19.00 | 11.00 -13.00 | ≤0.30 | ≤0.20 | 0.40 -0.70 | 0.13 -0.35 | 
| 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) | 
|---|---|---|---|---|---|---|
| 125 (≥) | 332 (≥) | 42 | 31 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 424 | 
| 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 | - | |||
| 665 | 566 | - | 21.3 | 411 | - | ||
| 675 | - | 24 | 13.2 | 241 | 114 | 
Heat treated : 1728°C - 1642°C
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