Grade 34CrMoS4
Corresponding Standard ISO 683-18-1996
Heat-treatable steels, alloy steels and free-cutting steels
Classification Alloy Steel
34CrMoS4 Chemical Element Composition Content (%)
Component C Si * Mn P S Cr Mo
Minimum Value 0.3 0.1 0.6 - 0.02 0.9 0.15
Maximum Value 0.37 0.4 0.9 0.035 0.04 1.2 0.3
Approximate Comparison Table Alloy Steel for Quenching and Tempering
United States International Organization for Standardization Germany France European Standard
ASTM ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade
4135 34CrMoS4 34CrMoS4 1.7226 34CD4u 34CrMoS4 1.7226

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