S31010 - ASTM A479/A479M-2018

USA UNS	S31010
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	Si	Mn	P	S	Cr	Ni	Mo	N	B	Al
Minimum Value	-	0.25	5.5	-	-	28.5	14	1.5	0.8	-	-
Maximum Value	0.03	0.75	6.5	0.03	0.001	30.5	16	2.5	0.9	0.005	0.05

◎ 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 %	Hardness HBW
All specifications	Annealing	≥760	≥515	in 2 in.[50 mm] or 4D ≥ 40	≥ 50 ①	≤330

◎ d-diameter, t-thickness

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