A335 Grade P11 K11597 - ASTM A335/A335M-2024(b)

Grade	A335 Grade P11
USA UNS	K11597
Corresponding Standard	ASTM A335/A335M-2024(b) Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service
Classification	Alloy Steel

A335 Grade P11 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Mo
Minimum Value	0.05	0.5	0.3	-	-	1	0.44
Maximum Value	0.15	1	0.6	0.025	0.025	1.5	0.65

A335 Grade P11 Mechanical Properties

Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
full or isothermal anneal or normalize and temper （≥650°C）	≥415	≥205	l: ≥30；t: ≥20

l=longitudinal；t=transverse

A335GradeP11 Corresponding Standards(Same grade name, different standards)

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