USA UNS H47200
SAE
Steel Number
4720H
Corresponding Standard SAE J 1268-2010
Hardenability Bands for Carbon and Alloy H Steels
Classification Alloy Steel
Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo
Minimum Value 0.17 0.15 0.45 - - 0.3 0.85 - 0.15
Maximum Value 0.23 0.35 0.75 0.03 0.04 0.6 1.25 0.35 0.25

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