Grade 17NiCrMo6-4
Corresponding Standard ISO 683-11-2012
Heat-Treatable Steels, Alloy Steels and Free-Cutting Steels -- Part 11: Case-Hardening Steels
Classification Alloy Steel
17NiCrMo6-4 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo
Minimum Value 0.14 0.15 0.6 - - 0.8 1.2 - 0.15
Maximum Value 0.2 0.4 0.9 0.025 0.035 1.1 1.6 0.4 0.25
Approximate Comparison Table Structural Alloy Steel
International Organization for Standardization France European Standard Sweden United Kingdom
ISO NF EN/NF EN Numerical Grade SS BS EN/BS
17NiCrMo6-4 18NCD6 17NiCrMo6-4 1.6566 SS2523 815M17

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