A811 TP309Cb S30940 - ASTM A813/A813M-2024

Grade	A811 TP309Cb
USA UNS	S30940
Corresponding Standard	ASTM A813/A813M-2024 Standard Specification for Single- or Double-Welded Austenitic Stainless Steel Pipe
Classification	Austenitic Stainless Steel

A811 TP309Cb Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	More
Minimum Value	-	-	-	-	-	22	12	Nb：10×C~1.10
Maximum Value	0.08	1	2	0.045	0.03	24	16	Nb：10×C~1.10

A811 TP309Cb Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa
≥515	≥205

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