4J78 - GB /T 15018-1994

Grade	4J78
Corresponding Standard	GB /T 15018-1994 Designation of Precision Alloys
Classification	Alloy Steel

4J78 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cu	Mo	More
Minimum Value	-	-	-	-	-	-	20	Ni:余量
Maximum Value	0.05	0.3	0.4	0.02	0.02	1.5	22	Ni:余量

Approximate Comparison Table Expansion Alloys

4J78 Corresponding Standards(Same grade name, different standards)

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