665 S66545 - ASTM A959-2019

Grade	665
USA UNS	S66545
Corresponding Standard	ASTM A959-2019 Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
Classification	Precipitation-Hardening Stainless Steel

665 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	Ti	B	Al
Minimum Value	-	0.1	1.25	-	-	12	24	-	1.25	2.7	0.01	-
Maximum Value	0.08	0.8	2	0.04	0.03	15	28	0.25	2.25	3.3	0.07	0.25

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

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