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) |
---|---|---|---|---|---|---|
465 (≥) | 478 (≥) | 42 | 24 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 232 |
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 |
---|---|---|---|---|---|---|---|
12 | - | - | 0.12 | - | |||
768 | 248 | - | 22.3 | 432 | - | ||
184 | - | 14 | 22.2 | 121 | 413 |
Heat treated : 1155°C - 1635°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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