China GB GB/T 1220-2007, JIS G 4303:1998, GB/T 1220-1992, 12Cr18Mn9Ni5N Specialsteel Stainless steel bars and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application | 
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | 12Cr18Mn9Ni5N | Austenite | GB | China | Stainless steel bars | 
| C | Si | Mn | P | S | Cr | Ni | N | 
|---|---|---|---|---|---|---|---|
| ≤0.15 | ≤1.0 | 7.5 -10.0 | ≤0.05 | ≤0.03 | 17.0 -19.0 | 4.0 -6.0 | 0.05 -0.25 | 
| 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) | 
|---|---|---|---|---|---|---|
| 163 (≥) | 322 (≥) | 31 | 34 | 42 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 434 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 22 | - | - | 0.34 | - | |||
| 852 | 289 | - | 23.3 | 233 | - | ||
| 385 | - | 44 | 23.2 | 431 | 344 | 
Heat treated : 1953°C - 1758°C
| GB/T 1220-2007 | Stainless steel bars | GB-T-1220-2007.pdf | 
| JIS G 4303:1998 | JIS-G-4303:1998.pdf | |
| GB/T 1220-1992 | alternate standard | GB-T-1220-1992.pdf | 
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