A335 Grade P36 K21001 - ASTM A335/A335M-2018

Grade	A335 Grade P36
USA UNS	K21001
Corresponding Standard	ASTM A335/A335M-2018 Standard Specification for Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service
Classification	Alloy Steel

A335 Grade P36 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	N	V	Al	Cb
Minimum Value	0.1	0.25	0.8	-	-	-	1	0.5	0.25	-	-	-	0.015
Maximum Value	0.17	0.5	1.2	0.03	0.025	0.3	1.3	0.8	0.5	0.02	0.2	0.05	0.045

A335 Grade P36 Mechanical Properties

	Mark	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
	Class 1	Normalizing（≥900°C） + Tempering（≥595°C）	≥415	≥205	l: ≥15	HBW: ≤250 HV: ≤265 HRC: ≤25
	Class 2	cooled from the austenitizing temperature by accelerated cooling in air or by liquid quenching	≥660	≥460	l: ≥15

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

A335GradeP36 Corresponding Standards(Same grade name, different standards)

1	ASTM A335/A335M-2018
	A335 Grade P36 K21001
2	ASTM A335/A335M-2024(b)
	A335 Grade P36 K21001

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