Grade 4J80
Corresponding Standard GB /T 15018-1994
Designation of Precision Alloys
Classification Alloy Steel
4J80 Chemical Element Composition Content (%)
Component C Si Mn P S Cu Mo W More
Minimum Value - - - - - 1.5 9.5 9.5 Ni:余量
Maximum Value 0.05 0.3 0.4 0.02 0.02 2.5 11.5 11.5
Approximate Comparison Table Expansion Alloys
China Russia
GB GOST
4J80 70НВ
4J80 Corresponding Standards(Same grade name, different standards)

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