Grade A322 1340
USA UNS G13400
Corresponding Standard ASTM A322-2013(R2018)
Steel Bars, Alloy, Standard Grades
Classification Alloy Steel
A322 1340 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo
Minimum Value 0.38 0.15 1.6 - - - - - -
Maximum Value 0.43 0.35 1.9 0.035 0.04 0.2 0.25 0.35 0.06
Approximate Comparison Table Structural Alloy Steel
China Taiwan, China Japan South Korea United States International Organization for Standardization France European Standard Russia
GB ISC CNS JIS KS ASTM/AISI UNS ISO NF EN/NF EN Numerical Grade GOST
40Mn2 A00402 SMn438 SMn438
SMn443
SMn438 1340 G13400 42Mn6 40M5 42Mn6 1.1055 40Г2

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