JIS G4313 SUS631-CSP Cold Rolled Stainless Steel Strip In Coil For Springs
JIS G4313 SUS631-CSP Cold Rolled Stainless Steel Strip In Coil For Springs
Maintaining the superior properties of 18–8 stainless, JIS SUS631 is the most common
precipitation hardening stainless steel that can be hardened through heat treatment.
It can be subjected to a variety of heat treatment processes to suit working and applications
from the softest solution heat treatment to a hard full-hardened finish.
This allows it to acquire strength second only to quenched high-carbon martensitic stainless steels.
In a solution-heat-treated state, SUS631 is non-magnetic, but demonstrates quite strong magnetic
properties after precipitation hardening.
Chemical composition %
| Grade | C | Si | Mn | P | S | Cr | Ni | Al |
| 631 | 0.09 | 1.00 | 1.00 | 0.040 | 0.030 | 16.00~18.00 | 6.5~7.75 | 0.75~1.50 |
| JIS | EN/DIN | AISI/UNS | GB |
| SUS631 | 1.4568 X7CrNiAl17-7 | 17-7PH S17700 | 0Cr17Ni7Al |
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