4J340 4J40 - GB /T 37797-2019

Grade	4J340
Old Grade
Corresponding Standard	GB /T 37797-2019 Precision Alloys—Designation
Classification	Alloy Steel

4J340 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Ni	Co	More
Minimum Value	-	-	-	-	-	32.4	7	Fe:余量
Maximum Value	0.05	0.15	0.25	0.02	0.02	33.4	8	Fe:余量

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!