3J440 3J40 - GB /T 37797-2019

Grade	3J440
Old Grade
Corresponding Standard	GB /T 37797-2019 Precision Alloys—Designation
Classification	Alloy Steel
Properties	Elasticity Corrosion Resistance

3J440 Chemical Element Composition Content (%)

Component	Fe	C	Si	Mn	P	S	Cr	Al	Ce	More
Minimum Value	-	-	-	-	-	-	39	3.3	0.1	Ni:Remainder
Maximum Value	0.5	0.03	0.2	0.1	0.01	0.01	41	3.5	0.2	Ni:Remainder

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