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Grade 18CrNiMo7-6
Corresponding Standard ISO 683-3-2019
Heat-Treatable Steels,Alloy Steels and Free-Cutting Steels--Part 3: Case-Hardening Steels
Classification Alloy Steel
18CrNiMo7-6 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo
Minimum Value 0.15 0.15 0.5 - - 1.5 1.4 - 0.25
Maximum Value 0.21 0.4 0.9 0.025 0.035 1.8 1.7 0.4 0.35
Approximate Comparison Table Hardenability Guaranteed Structural Steel
China International Organization for Standardization European Standard
GB ISO EN Numerical Grade
18Cr2Ni2MoH 18CrNiMo7-6 18CrNiMo7-6 1.6587
18CrNiMo7-6 Corresponding Standards(Same grade name, different standards)
1 EN 10084-1998
18CrNiMo7-6 1.6587
2 ISO 683-17-2014
18CrNiMo 7-6
3 ASTM A534-2014
18CrNiMo7-6 B30
4 DIN EN ISO 683-3-2019
18CrNiMo7-6
5 ISO 683-3-2019
18CrNiMo7-6
6 DIN EN 10084-2008
18CrNiMo7-6 1.6587
7 DIN EN ISO 683-17-2015
18CrNiMo7-6 1.6587
8 ISO 683-11-2012
18CrNiMo7-6
9 ISO 683-18-2014
18CrNiMo7-6
10 NF EN 10084-2008
18CrNiMo7-6 1.6587 (18CND6)

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