A268 TP439 S43035 - ASTM A268/A268M-2020

Grade	A268 TP439
USA UNS	S43035
Corresponding Standard	ASTM A268/A268M-2020 Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
Classification	Ferritic Stainless Steel

A268 TP439 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	N	Al	More
Minimum Value	-	-	-	-	-	17	-	-	-	Ti：0.2+4(C+N) ~ 1.10
Maximum Value	0.07	1	1	0.04	0.03	19	0.5	0.04	0.15	Ti：0.2+4(C+N) ~ 1.10

A268 TP439 Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
≥415	≥205	≥20	≤190

1 Approximate Comparison Table Other Stainless Steels

China	Japan	United States	International Organization for Standardization		Germany		France	European Standard
ISC	JIS	ASTM	ISO	Numerical Grade	DIN EN/DIN	W-Nr.	NF EN/NF	EN	Numerical Grade
S11863	SUS 430LX	S43035	X3CrTi 17	4510-430-35-I	X6CrTi 17 (X8CrTi 17)	1.4510	Z8CT 17	X3CrTi 17	1.4510

2 Approximate Comparison Table Ferritic Stainless Steel

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