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Grade 317LN
USA UNS S31753
Corresponding Standard ASTM A959-2019
Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
Classification Austenitic Stainless Steel
317LN Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo N
Minimum Value - - - - - 18 11 3 0.1
Maximum Value 0.03 1 2 0.045 0.03 20 14 4 0.22
• 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
GB ISC CNS JIS KS ASTM UNS ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade
022Cr19Ni13Mo4N S31753 317LN SUS 317LN STS 317LN 317LN S31753 X2CrNiMoN 18-12-4 X2CrNiMoN 18-12-4 1.4434 X2CrNiMoN 18-12-4 X2CrNiMoN 18-12-4 1.4434
317LN Corresponding Standards(Same grade name, different standards)
1 ASTM A959-2004
317LN S31753
2 ASTM A240/240M-2018
317LN S31753
3 SAE J405-2018
317LN S31753
4 ASTM A240/A240M-2020
317LN S31753
5 ASTM A959-2019
317LN S31753

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