CP1 J12521 - ASTM A426/A426M-2025

Grade	CP1
USA UNS	J12521
Corresponding Standard	ASTM A426/A426M-2025 Standard Specification for Centrifugally Cast Ferritic Alloy Steel Pipe for High-Temperature Service
Classification	Cast Steel

CP1 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Mo
Minimum Value	-	0.1	0.3	-	-	0.44
Maximum Value	0.25	0.5	0.8	0.03	0.025	0.65

CP1 Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW
≥450	≥240	≥24	≥35	≤201

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