USA UNS H15281
SAE
Steel Number
15B28H
Corresponding Standard SAE J 1268-2010
Hardenability Bands for Carbon and Alloy H Steels
Classification Carbon Steel
Chemical Element Composition Content (%)
Component C Si Mn P S B
Minimum Value 0.25 0.15 1 - - 0.0005
Maximum Value 0.34 0.35 1.5 0.03 0.05 0.003

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