USA UNS H51400
SAE
Steel Number
5140H
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 0.37 0.15 0.6 - - 0.6 - - -
Maximum Value 0.44 0.35 1 0.03 0.04 1 0.25 0.35 0.06
Approximate Comparison Table Hardenability Guaranteed Structural Steel
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France Russia United Kingdom
GB ISC CNS JIS KS ASTM UNS ISO DIN EN/DIN W-Nr. NF EN/NF GOST BS EN/BS
40CrH A20405 SCr440H SCr440H SCr440H 5140H H51400 41Cr4H 41Cr4 1.7035 41Cr4 40Х 41Cr4

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