S30434 - ASTM A213/A213M-2019

USA UNS	S30434
Corresponding Standard	ASTM A213/A213M-2019 Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
Classification	Austenitic Stainless Steel

Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Ti	Nb	B	More
Minimum Value	0.07	-	-	-	-	17.5	9	2.5	0.1	0.1	0.001	Ti+½Nb：2C~4C
Maximum Value	0.14	1	2	0.04	0.01	19.5	12	3.5	0.25	0.4	0.004	Ti+½Nb：2C~4C

Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
≥500	≥205	≥35	≤192

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