cold-rolled-stainless-steel-coil-sus631 is a semi-austenitic stainless steel which is austenitic in the annealed condition, but martensitic in the hardened condition. cold-rolled-stainless-steel-coil-sus631 provides high strength and hardness, excellent fatigue properties, good corrosion resistance and minimum distortion upon heat treatment.
cold-rolled-stainless-steel-coil-sus631 is easily formed in the annealed condition, then hardened to high strength levels by simple heat
treatments to Conditions RH 950 and TH 1050.
cold-rolled-stainless-steel-coil-sus631 Chemical composition % weight
| C | Si | Mn | P | S | Cr | Ni | Al |
| 0.09 | 1.00 | 1.00 | 0.040 | 0.030 | 16.00~18.00 | 6.50~7.75 | 0.75~1.50 |
cold-rolled-stainless-steel-coil-sus631 Mechanical properities
| Property | Condition A | TH1050 | RH950 | C | CH900 |
| UTS, Mpa | 896 | 1379 | 1620 | 1517 | 1827 |
| 0.2% YS, Mpa | 276 | 1276 | 1517 | 1310 | 1793 |
| Elongation % in 2'' | 35 | 9 | 6 | 5 | 2 |
| Hardness, rockwell | B85 | C43 | C48 | C43 | C49 |
cold-rolled-stainless-steel-coil-sus631 has exceptionally high values of mechanical strength,
coupled with good corrosion resistance characteristics. Recommended for radio antennas used in vehicles,
springs, thrust washers, bearings, surgical instruments, etc.
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