A369 FP21 - ASTM A369/A369M-2024

Grade	A369 FP21
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 FP21 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Mo
Minimum Value	0.05	-	0.3	-	-	2.65	0.8
Maximum Value	0.15	0.5	0.6	0.025	0.025	3.35	1.06

A369 FP21 Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
≥415	≥210	l: ≥22 tr:≥14

* l: Longitudinal; tr:Transverse.

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