S83071 - ASTM A789/A789M-2024

USA UNS	S83071
Corresponding Standard	ASTM A789/A789M-2024 Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service
Classification	Duplex Stainless Steel

Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	N
Minimum Value	-	-	0.5	-	-	29	6	-	3	0.28
Maximum Value	0.03	0.5	1.5	0.03	0.02	31	8	0.8	4	0.4

Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
Tube	Solution heat treatment 1000~1150°C, rapid cooling by water or other methods	≥830	≥680	≥25	HBW: ≤300 HRC: ≤32 HV: ≤300*

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