SUS631 EN 1.4568 DIN X7CrNiAl17-7 Stainless Steel Round Bars
SUS631 EN 1.4568 DIN X7CrNiAl17-7 Stainless Steel Round Bars
Material SUS631, EN 1.4568, 17-7PH is a precipitation hardened semi-austenitic stainless steel,
with high strength and hardness, good corrosion resistance and satisfactory formability
(depending on heat treatment/”Condition”).
SUS631 stainless grade is often used as springs and washers that require high strength.
It is also readily used in the aerospace and chemical processing industries.
Chemical composition ( weight % )
| Grade | C | Cr | Ni | Al |
| SUS631, 17-7PH, DIN 1.4568 | 0.09 max | 16.00~18.00 | 6.5~7.8 | 0.7~1.5 |
Product forms
| Stainless steel flat products | SUS631, 17-7PH hot and cold rolled stainless steel sheet, plate, strip and coil |
| Stainless steel long products | SUS631, 17-7PH stainless steel round bar, spring wire |
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