A268 26-3-3 S44660 - ASTM A268/A268M-2020

Grade	A268 26-3-3
USA UNS	S44660
Corresponding Standard	ASTM A268/A268M-2020 Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
Classification	Ferritic Stainless Steel

A268 26-3-3 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo	N	More
Minimum Value	-	-	-	-	-	25	1	3	-	Ti+Cb：0.20~1.00且≥6(C+N)
Maximum Value	0.03	1	1	0.04	0.03	28	3.5	4	0.04	Ti+Cb：0.20~1.00且≥6(C+N)

A268 26-3-3 Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
≥585	≥450	≥20	≤265

Approximate Comparison Table Ferritic Stainless Steel

United States	International Organization for Standardization		European Standard
UNS	ISO	Numerical Grade	Numerical Grade
S44660	X2CrMoNi27-4-2	4750-446-60-U	(1.4750)

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