SAE
Steel Number
8720RH
Corresponding Standard SAE J1868-2010
Restricted Hardenability Bands for Selected Alloy Steels
Classification Alloy Steel
Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo
Minimum Value 0.18 0.15 0.7 - - 0.4 0.4 - 0.2
Maximum Value 0.23 0.35 0.9 0.025 0.04 0.6 0.7 0.35 0.3

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