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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 (%)
Material	psi	MPa	psi	MPa	Elongation (%)
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

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Disclaimer
Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.