S32950 - ASTM A789/A789M-2024

USA UNS	S32950
Corresponding Standard	ASTM A789/A789M-2024 Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service
Classification	Duplex Stainless Steel
Properties	Corrosion Resistance

Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo	N
Minimum Value	-	-	-	-	-	26	3.5	1	0.15
Maximum Value	0.03	0.6	2	0.035	0.01	29	5.2	2.5	0.35

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 treatment at 990~1025°C, air cooling	≥690	≥480	≥20	HBW: ≤290 HRC: ≤30 HV: ≤290*

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