Stainless Steel Material Properties

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Stainless Material Properties

Stainless	Corrosion
Grade	Resistant	Strength	Life Span	Maintenance
302SS	poor	best	fair	fair
304SS	good	best	good	fair
305SS	good	best	good	fair
316SS	best	good	excellent	excellent
17-4 PH	fair	excellent	good	fair

			Max	Max	Max	Max		Max	Copper	Other
Stainless	Chromium	Nickel	Carbon	Mangen.	Phosph.	Sulpher	Molybd.	Silicon	NA	Elements
18-8	17-20%	8-13%	.08%	2%	2%	.03-15%	NA	1%	0-4%	NA
302	17-19%	8-10%	.15%	2%	.045%	.03%	NA	1%	NA	NA
303	18-20%	8-10%	.15%	2%	.02%	.15% min	.6 max	1%	NA	NA
304	18-20%	8-10.5%	.08%	2%	.45%	.03%	NA	1%	NA	NA
304L	18-20%	8-12%	.03%	2%	.045%	.03%	NA	1%	NA	NA
305	17-19%	10.5-13%	.12%	2%	.045%	.03%	NA	1%	NA	NA
316 (A-4)	16-18.5%	10.5-14%	.08%	2%	.045%	.03%	2-3%	1%	NA	NA
316L	16-18%	11-14%	.03%	2%	.045%	.03%	2-3%	1%	NA	NA
347	17-19%	9-13%	.08%	2%	.045%	.03%	NA	1%	NA	Columbium and tantalum- 10 times carbon
17-4 PH	15-17.5%	3-5%	.07%	1%	.04%	.03%	NA	1%	3-5%	Carbon, boron, tantalum
Nitronic 50	20.5-23.5%	11.5-13.5%	.06%	4-6%	.04%	.03%	1.5-3%	1%	NA	Carbon, boron, nitrogen, vanadium in minute quantities

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