S31500 - ASTM A789/A789M-2024

USA UNS	S31500
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	Mo	N
Minimum Value	-	1.4	1.2	-	-	18	4.3	2.5	0.05
Maximum Value	0.03	2	2	0.03	0.03	19	5.2	3	0.1

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 980~1040°C, quick quenching using water or other methods	≥630	≥440	≥30	HBW: ≤290 HRC: ≤30 HV: ≤290*

1 Approximate Comparison Table

2 Approximate Comparison Table

United States	International Organization for Standardization		European Standard
UNS	ISO	Numerical Grade	Numerical Grade
S31500	X2CrNiMoSiMnN19-5-3-2-2	4424-315-00-I	1.4424

3 Approximate Comparison Table

China		United States	International Organization for Standardization		United Kingdom
GB	ISC	UNS	ISO	Numerical Grade	BS EN/BS
022Cr19Ni5Mo3Si2N (GB/T 39033)	S21953	S31500 (ASTM A595-16)	X2CrNiMoSiMnN19-5-3-2-2 (ISO 15510:2014)	4424-315-00-Ⅰ	X2CrNiMoSi18-5-3/1.4424 (BS EN 10083:2014)

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