TP 309Cb S30940 - ASTM A409/A409M-2019

Grade	TP 309Cb
USA UNS	S30940
Corresponding Standard	ASTM A409/A409M-2019 Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service
Classification	Austenitic Stainless Steel

TP 309Cb Chemical Element Composition Content (%)

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

TP 309Cb Mechanical Properties

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

TP309Cb Corresponding Standards(Same grade name, different standards)

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