3J21 3J21 - GB /T 15018-1994

Grade	3J21
Old Grade
Corresponding Standard	GB /T 15018-1994 Designation of Precision Alloys
Classification	Alloy Steel
Properties	High Elasticity Corrosion Resistance
Density	8.4 g/cm³

3J21 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo	Co	More
Minimum Value	0.07	-	1.7	-	-	19	14	6.5	39	Fe:余量
Maximum Value	0.12	0.6	2.3	0.01	0.01	21	16	7.5	41	Fe:余量

Approximate Comparison Table Elastic Alloy

3J21 Corresponding Standards(Same grade name, different standards)

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