Because sc1 cold rolled steel coil annealed has not been annealed, its hardness is very high (HRB is greater than 90), and its machinability is extremely poor. Only simple directional bending of less than 90 degrees (perpendicular to the coiling direction) can be performed.
| 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 |
|---|---|---|---|---|---|---|---|
| 929 (≥) | 995 (≥) | 43 | 21 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 311 | |
| Temp. °C/°F | Creep strain limit (10000h) (Rp1,0) N/mm2 | Creep rupture strength (10000h) (Rp1,0) N/mm2 | |||||
| 542 | 784 | 472 |
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