1J90 - GB /T 15018-1994

Grade	1J90
Corresponding Standard	GB /T 15018-1994 Designation of Precision Alloys
Classification	Alloy Steel

1J90 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Ni	Mo	Nb	Al	More
Minimum Value	-	-	-	-	-	79	1.8	4.8	0.4	Fe:余量
Maximum Value	0.03	0.3	0.6	0.02	0.02	80	2.2	7.2	0.6	Fe:余量

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