Cold rolled narrow steel strip for heat treatment - Technical delivery conditions - Part 4: Spring steels and other applications
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 1.20 | 1.30 | ||
| Si | 0.15 | 0.30 | ||
| Mn | 0.25 | 0.40 | ||
| P | - | 0.030 | ||
| S | - | 0.030 | ||
| Cr | 0.30 | 0.40 | ||
| Mo | - | - | ||
| V | - | - |
Cold rolled narrow steel strip for heat treatment - Technical delivery conditions - Part 4: Spring steels and other applications
| 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) |
|---|---|---|---|---|---|---|
| 821 (≥) | 298 (≥) | 12 | 23 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 314 |
| 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 |
|---|---|---|---|---|---|---|---|
| 831 (≥) | 415 (≥) | 23 | 12 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 343 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 929 | 366 | 273 |
We can customize the production of 1.2002 grade, contact us for the best solution.
–sales@specificsteel.com