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Stainless Steel ER 630 (17-4PH)
Technical Data Sheet
| Chemical Composition Limits | ||||||||||
| Weight% | C | Mn | Si | Cr | Ni | S | P | Mo | Cu | Cb+Ta |
| ER 630 (17-4 PH) | 0.05 max | 0.25-0.75 | 0.75 max | 16.0-16.75 | 4.5-5.0 | 0.03 max | 0.03 max | 0.75 max | 3.25-4.00 | 0.15-0.30 |
Alloy ER 630 (17-4PH) is a precipitation hardening stainless steel used for welding of materials of similar chemical composition. Mechanical properties of this alloy are greatly influenced by the heat treatment.
Typical Mechanical Properties
| Material | Ultimate Tensile Strength | Offset Yield Strength 0.2 % | Elongation (%) | ||
| psi | MPa | psi | MPa | ||
| ER 630 | 143,550 | 990 | 123,250 | 850 | 10 |
Availability
Alloy ER 630 (17-4PH) is a Stainless Steel TIG, MIG and SUB-ARC wire used for welding. For all stock availability contact Sales.
Specifications
AWS 5.9
ASME SFA 5.9
AWS ER 630
UNS S17480
