Grade 309LMoN
USA UNS S30925
Corresponding Standard ASTM A959-2019
Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
Classification Austenitic Stainless Steel
309LMoN Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo N
Minimum Value - - - - - 23 13 0.5 0.25
Maximum Value 0.025 0.7 2 0.04 0.03 26 16 1.2 0.4
• Unless otherwise indicated, a grade designation originally assigned by the American Iron and Steel Institute (AISI).

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