S44002 - ASTM A 473-2024(a)

USA UNS	S44002
ASTM Specification or Grade	440A
Corresponding Standard	ASTM A 473-2024(a) Stainless Steel Forgings
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

Mechanical Properties

	Heat Treatment or Condition	Hardness HBW
/	A - annealed	≤269
Samples for testing shall be in the form of a section not exceeding 9.50 mm in thickness	1020℃±14℃, Air	HRC ≥ 55

1 Approximate Comparison Table Martensitic Stainless Steel

2 Approximate Comparison Table Martensitic Stainless Steel

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"!