Grade 4J34
Corresponding Standard GB /T 15018-1994
Designation of Precision Alloys
Classification Alloy Steel
4J34 Chemical Element Composition Content (%)
Component C Si Mn P S Ni Co More
Minimum Value - - - - - 28.5 19.5 Fe:余量
Maximum Value 0.05 0.3 0.5 0.02 0.02 29.5 20.5
Approximate Comparison Table Expansion Alloys
China Germany Russia
GB DIN EN/DIN GOST
4J34
(Ni29Co20)
Vacon70
(Ni28Co23)
34НК
4J34 Corresponding Standards(Same grade name, different standards)

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