USA UNS G87200
SAE
Steel Number
8720
Corresponding Standard SAE J404-2000
Chemical Compositions of SAE Alloy Steels
Classification Alloy Steel
Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo
Minimum Value 0.18 0.15 0.7 - - 0.4 0.4 0.2
Maximum Value 0.23 0.35 0.9 0.03 0.04 0.6 0.7 0.3

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