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 |
Chemical composition(mass fraction)(wt.%) of the 0Cr25Ni20
| Elements | Min.（≥） | Max.（≤） |
|---|---|---|
| C | - | 0.08 |
| Si | - | 1.00 |
| Mn | - | 2.00 |
| P | - | 0.035 |
| S | - | 0.030 |
| Ni | 19.00 | 22.00 |
| Cr | 24.00 | 26.00 |
Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade 0Cr25Ni20
| 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) |
|---|---|---|---|---|---|---|
| 862 (≥) | 487 (≥) | 43 | 11 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 234 |
| 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 |
|---|---|---|---|---|---|---|---|
| 34 | - | - | 0.12 | - | |||
| 776 | 482 | - | 44.3 | 321 | - | ||
| 476 | - | 21 | 12.2 | 432 | 231 |
| 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 |
