High strength after cold forming. Used in railway vehicle, conveyor belt, bolt and nut, etc
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| 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 |
Austenitic stainless steel. Grade 1Cr17Ni7 was replaced by new designation 12Cr17Ni7 according to GB/T 20878 (2007)
| Proof strength Rp0.2 (MPa) |
Tensile strength Rm (MPa) |
Impact energy KV (J) |
Elongation at fracture A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 116 (≥) | 137 (≥) | 32 | 14 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 343 |
| Property | Density kg/dm3 |
Temperature T °C/F |
Specific heat J / kgK |
Thermal conductivity W/mK |
Electric resistance µΩ·cm |
Modulus of elasticity kN/mm2 |
Expansion rate |
|---|---|---|---|---|---|---|---|
| 389 (≥) | 282 (≥) | 11 | 41 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 443 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 966 | 221 | 659 |
We can customize the production of 1Cr17Ni7 grade, contact us for the best solution.
–sales@specificsteel.com