S34800 - ASTM A479/A479M-2018

USA UNS	S34800
ASTM Specification or Grade	348
Corresponding Standard	ASTM A479/A479M-2018 Standard Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
Classification	Austenitic Stainless Steel

Chemical Element Composition Content (%)

Component	C ^①	Si	Mn	P	S	Cr	Ni	Co	Ta	More
Minimum Value	-	-	-	-	-	17	9	-	-	Cb+Ta 10×C~1.1
Maximum Value	0.08	1	2	0.045	0.03	19	12	0.2	0.1	Cb+Ta 10×C~1.1

◎ New designations established in accordance with Practice E527 and SAE J1086 published jointly by ASTM and SAE. See ASTM DS-56C, available from ASTM Headquarters.

Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %
All specifications	Annealing	≥ 515 ①	≥205	in 2 in.[50 mm] or 4D ≥ 30	≥ 40 ②

◎ d-diameter, t-thickness

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!