A369 FP115 - ASTM A369/A369M-2024

Grade	A369 FP115
Corresponding Standard	ASTM A369/A369M-2024 Standard Specification for Carbon and Ferritic Alloy Steel Forged and Bored Pipe for High-Temperature Service
Classification	Alloy Steel

A369 FP115 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	As	N	Ti	W	V	Nb	Zr	B	Al	Sn	Sb	More
Minimum Value	0.08	0.15	0.2	-	-	10	-	-	0.4	-	0.03	-	-	0.18	0.02	-	-	-	-	-	CNB: ≤10.5 ① N/Al：≥4.0
Maximum Value	0.13	0.45	0.5	0.02	0.005	11	0.25	0.1	0.6	0.01	0.07	0.01	0.05	0.25	0.06	0.01	0.001	0.02	0.01	0.003	CNB: ≤10.5 ① N/Al：≥4.0

① CNB =(Cr + 6Si + 4Mo + 1.5W + 11V + 5Nb + 9Ti + 12AI) - (40C + 30N + 4Ni + 2Mn + 1Cu)

A369 FP115 Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
≥620	≥450	l: ≥20 tr:≥13

* l: Longitudinal; tr:Transverse.

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