A335 Grade P23 K41650 - ASTM A335/A335M-2018

Grade	A335 Grade P23
USA UNS	K41650
Corresponding Standard	ASTM A335/A335M-2018 Standard Specification for Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service
Classification	Alloy Steel

A335 Grade P23 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo	N	Ti	W	V	B	Al	Cb	More
Minimum Value	0.04	-	0.1	-	-	1.9	-	0.05	-	0.005	1.45	0.2	0.001	-	0.02	Ti/N≥3.5*
Maximum Value	0.1	0.5	0.6	0.03	0.01	2.6	0.4	0.3	0.015	0.06	1.75	0.3	0.006	0.03	0.08	Ti/N≥3.5*

A335 Grade P23 Mechanical Properties

Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
normalizing (1040~1080°C) air or accelerated cooling and tempering (730~800°C)	≥510	≥400	l: ≥20	HBW: ≤220 HV: ≤220 HRBW: ≤97

The elongation data measured by wall thickness of the material and the material heat treatment system are not listed in the table, and the detailed data are in the original

A335GradeP23 Corresponding Standards(Same grade name, different standards)

1	ASTM A335/A335M-2018
	A335 Grade P23 K41650
2	ASTM A335/A335M-2024(b)
	A335 Grade P23 K40712

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