S31726 - ASTM A959-2019

USA UNS	S31726
AISI American Iron and Steel Institute	317LMN
Corresponding Standard	ASTM A959-2019 Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
Classification	Austenitic Stainless Steel

Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo	N
Minimum Value	-	-	-	-	-	17	13.5	4	0.1
Maximum Value	0.03	1	2	0.045	0.03	20	17.5	5	0.2

• Unless otherwise indicated, a grade designation originally assigned by the American Iron and Steel Institute (AISI).

1 Approximate Comparison Table Austenitic Stainless Steel

China		United States		International Organization for Standardization		European Standard
GB	ISC	AISI	UNS	ISO	Numerical Grade	EN	Numerical Grade
022Cr19Ni16Mo5N	S31723	317LMN	S31726	X2CrNiMoN17-13-5 X2CrNiMoN 18-15-5	4439-317-26-E 4483-317-26-I	X2CrNiMoN17-13-5	1.4439 (1.4483)

2 Approximate Comparison Table Austenitic Stainless Steel

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