China GB GB/T 1220 (1992) GB/T 3280 (2007) GB/T 4231 (1993) GB/T 4239 (1991) 1Cr17Ni7 High strength after cold forming. Used in railway vehicle, conveyor belt, bolt and nut, etc and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application |
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | 1Cr17Ni7 | Austenite | GB | China | High strength after cold forming. Used in railway vehicle, conveyor belt, bolt and nut, etc |
Chemical composition(mass fraction)(wt.%) of the 1Cr17Ni7
| Elements | Min.（≥） | Max.（≤） |
|---|---|---|
| C | - | 0.15 |
| Si | - | 1.00 |
| Mn | - | 2.00 |
| P | - | 0.035 |
| S | - | 0.030 |
| Ni | 6.00 | 8.00 |
| Cr | 16.00 | 18.00 |
Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade 1Cr17Ni7
| 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) |
|---|---|---|---|---|---|---|
| 759 (≥) | 938 (≥) | 22 | 43 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 231 |
| 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 |
|---|---|---|---|---|---|---|---|
| 43 | - | - | 0.44 | - | |||
| 687 | 573 | - | 32.3 | 422 | - | ||
| 264 | - | 24 | 23.2 | 221 | 233 |
| Grade | Standard | Country | Application |
|---|---|---|---|
| 1Cr17Ni7 | GB | China | High strength after cold forming. Used in railway vehicle, conveyor belt, bolt and nut, etc |
| Standard No. | Description | Download |
|---|---|---|
| GB/T 1220 (1992) | Stainless steel bars | |
| GB/T 3280 (2007) | Cold rolled stainless steel sheets and plates | |
| GB/T 4231 (1993) | Cold rolled stainless steel strips for springs | |
| GB/T 4239 (1991) | Cold rolled stainless steel and heat resisting steel strips |
