S44002 - ASTM A959-2019

USA UNS	S44002
AISI American Iron and Steel Institute	440A
Corresponding Standard	ASTM A959-2019 Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
Classification	Martensitic Stainless Steel

Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Mo
Minimum Value	0.6	-	-	-	-	16	-
Maximum Value	0.75	1	1	0.04	0.03	18	0.75

• Unless otherwise indicated, a grade designation originally assigned by the American Iron and Steel Institute (AISI).

1 Approximate Comparison Table

2 Approximate Comparison Table

China	Japan	United States	International Organization for Standardization		European Standard
ISC	JIS	UNS	ISO	Numerical Grade	Numerical Grade
S44070	SUS440A	S44002	X68Cr17	4040-440-02-X	(1.4040)

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