A213 T911 K91061 - ASTM A213/A213M-2019

Grade	A213 T911
USA UNS	K91061
Corresponding Standard	ASTM A213/A213M-2019 Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
Classification	Alloy Steel

A213 T911 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo	N	Ti	W	V	Nb	Zr	B	Al
Minimum Value	0.09	0.1	0.3	-	-	8.5	-	0.9	0.04	-	0.9	0.18	0.06	-	0.0003	-
Maximum Value	0.13	0.5	0.6	0.02	0.01	9.5	0.4	1.1	0.09	0.01	1.1	0.25	0.1	0.01	0.006	0.02

A213 T911 Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
≥620	≥440	≥20	≤250

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