China GB GB 13296 (2007) GB 4238 (1992) GB/T 1220 (1992) GB/T 1221 (1992) GB/T 12770 (2002) GB/T 12771 (2000) GB/T 14976 (2002) GB/T 3280 (2007) GB/T 4226 (2004) GB/T 4237 (1992) GB/T 4239 (1991) GB/T 4240 (1993) GB/T 4356 (2002) JB/T 6398 (2006) 0Cr25Ni20 Oxidation resistance is better than 0cr23ni13. Mostly used as heat resistant steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application |
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | 0Cr25Ni20 | Austenite | GB | China | Oxidation resistance is better than 0cr23ni13. Mostly used as heat resistant steel |
| 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) |
|---|---|---|---|---|---|---|
| 684 (≥) | 776 (≥) | 33 | 31 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 213 |
| 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 | - | - | 0.21 | - | |||
| 753 | 647 | - | 23.3 | 331 | - | ||
| 143 | - | 34 | 32.2 | 121 | 344 |
| Grade | Standard | Country | Application |
|---|---|---|---|
| 0Cr25Ni20 | GB | China |
Oxidation resistance is better than 0cr23ni13. Mostly used as heat resistant steel
|
| Standard No. | Description | Download |
|---|---|---|
| GB 13296 (2007) | Seamless stainless steel tubes for boiler and heat exchanger | |
| GB 4238 (1992) | Heat-resisting steel sheets and plates | |
| GB/T 1220 (1992) | Stainless steel bars | |
| GB/T 1221 (1992) | Heat-resisting steel bars | |
| GB/T 12770 (2002) | Welded stainless steel tubes for machine structures | |
| GB/T 12771 (2000) | Welded stainless steel pipes for liquid delivery | |
| GB/T 14976 (2002) | Stainless steel seamless tubes for fluid transport | |
| GB/T 3280 (2007) | Cold rolled stainless steel sheets and plates | |
| GB/T 4226 (2004) | Cold finished stainless steel bars | |
| GB/T 4237 (1992) | Hot rolled stainless steel sheets and plates | |
| GB/T 4239 (1991) | Cold rolled stainless steel and heat resisting steel strips | |
| GB/T 4240 (1993) | Stainless steel wires | |
| GB/T 4356 (2002) | Stainless steel wire rods | |
| JB/T 6398 (2006) | Heavy stainless acid resistant and heat resistant steel forgings |