S31725 - ASTM A249/A249M-2004

USA UNS	S31725
Corresponding Standard	ASTM A249/A249M-2004 Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
Classification	Austenitic Stainless Steel

Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo	N
Minimum Value	-	-	-	-	-	18	13.5	4	-
Maximum Value	0.03	1	2	0.045	0.03	20	17.5	5	0.2

Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
≥515	≥205	≥35	HRB ≤90

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