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Home Material YB /T 158-1999
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Grade 40CrNiMo
Corresponding Standard YB /T 158-1999
Classification Alloy Steel
40CrNiMo Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo
Minimum Value 0.37 0.17 0.5 - - 0.6 1.25 - 0.15
Maximum Value 0.44 0.37 0.8 0.025 0.025 0.9 1.65 0.3 0.25
1 Approximate Comparison Table
China International Organization for Standardization
GB ISO
40CrNiMo 36CrNiMo4
2 Approximate Comparison Table structural alloy steel
China European Standard
GB EN Numerical Grade
40CrNiMo 39NiCrMo3 1.6510
3 Approximate Comparison Table structural alloy steel
China United Kingdom
GB BS EN/BS
40CrNiMo 817M40
4 Approximate Comparison Table structural alloy steel
China United States
GB ASTM/AISI
40CrNiMo AISI9840
40CrNiMo Corresponding Standards(Same grade name, different standards)
1 YB /T 158-1999
40CrNiMo
2 GB /T 17107-1997
40CrNiMo
3 GB /T 3077-2015
40CrNiMo A50402
4 GB /T 3078-2019
40CrNiMo
5 JB /T 6396-2006
40CrNiMo
6 JB /T 6908-2020
40CrNiMo A50402

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