A269 TP348 S34800 - ASTM A269/A269M-2025

Grade	A269 TP348
USA UNS	S34800
Corresponding Standard	ASTM A269/A269M-2025 Seamless and Welded Austenitic Stainless Steel Tubing for General Service
Classification	Austenitic Stainless Steel

A269 TP348 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

A269 TP348 Mechanical Properties

Heat Treatment or Condition	Hardness HBW
Austenitizing Temperature ≥1040℃	≤192

A269TP348 Corresponding Standards(Same grade name, different standards)

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