Russia ГОСТ 03X18H12T Austenitic and 03X18H12T Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application | 
|---|---|---|---|---|---|
| Steel Grades | Heat-Resistant Steel | 03X18H12T | ГОСТ | Russia | Austenitic | 
| 17X18H9 | |||||
| 12X18H9T | |||||
| 04X18H10 | |||||
| 08X18H10 | |||||
| 08X18H10T | |||||
| 12X18H10T | |||||
| 12X18H10E | |||||
| 03X18H11 | |||||
| 06X18H11 | |||||
| 03X18H12 | 
| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Mo(%) | W(%) | Ti(%) | 
|---|---|---|---|---|---|---|---|---|---|
| Max 0.03 | Max 0.80 | Max 2.00 | Max 0.035 | Max 0.02 | 17.0-19.0 | 11.0-13.0 | Max 0.30 | Max 0.20 | 5xC-0.50 | 
| 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) | 
|---|---|---|---|---|---|---|
| 982 (≥) | 882 (≥) | 42 | 14 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 334 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 32 | - | - | 0.31 | - | |||
| 267 | 856 | - | 43.3 | 232 | - | ||
| 158 | - | 32 | 43.2 | 342 | 343 | 
Heat treated : 1392°C - 1755°C
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