4J345 4J45 - GB /T 37797-2019

Grade	4J345
Old Grade
Corresponding Standard	GB /T 37797-2019 Precision alloys—Designation
Classification	Alloy Steel

4J345 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Ni	Al	More
Minimum Value	-	-	-	-	-	44.5	-	Fe:余量
Maximum Value	0.05	0.3	0.8	0.02	0.02	45.5	0.1	Fe:余量

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