TP 348 S34800 - ASTM A409/A409M-2019

Grade	TP 348
USA UNS	S34800
Corresponding Standard	ASTM A409/A409M-2019 Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service
Classification	Austenitic Stainless Steel

TP 348 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Co	Ta	More
Minimum Value	-	-	-	-	-	17	9	-	-	Nb+Ta：10C~1.10
Maximum Value	0.08	1	2	0.045	0.03	19	12	0.2	0.1	Nb+Ta：10C~1.10

TP 348 Mechanical Properties

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

TP348 Corresponding Standards(Same grade name, different standards)

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