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USA UNS S31703
AISI
American Iron and Steel Institute		 317L
Corresponding Standard ASTM A959-2019
Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
Classification Austenitic Stainless Steel
Properties Corrosion Resistance Fatigue Resistance
Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo
Minimum Value - - - - - 18 11 3
Maximum Value 0.03 1 2 0.045 0.03 20 15 4
• Unless otherwise indicated, a grade designation originally assigned by the American Iron and Steel Institute (AISI).
Approximate Comparison Table Austenitic Stainless Steel
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France European Standard Russia Sweden United Kingdom
GB ISC CNS JIS KS ASTM UNS ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST SS BS EN/BS
022Cr19Ni13Mo3
(00Cr19Ni13Mo3) 		S31703 317L SUS 317L STS 317L 317L S31703 X2CrNiMo 19-14-4
X2CrNiMo18-15-4 		X2CrNiMo 18-15-4
(X2CrNiMo 18-16) 		1.4438 Z2CND 19-15
Z3CND 19-15-04 		X2CrNiMo 18-15-4 1.4438 03Х16Н15М3 2367 317S12
317S11

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