WPL6 - ASTM A420/A420M-2025

Grade	WPL6
Corresponding Standard	ASTM A420/A420M-2025 Standard Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Low-Temperature Service
Classification	Carbon Steel

WPL6 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	V	Nb ^①
Minimum Value	-	0.15	0.5	-	-	-	-	-	-	-	-
Maximum Value	0.3	0.4	1.45	0.035	0.04	0.3	0.4	0.4	0.12	0.08	0.02

① By agreement, the limit for niobium may be increased up to 0.05 % on heat analysis and 0.06 % on product analysis.

WPL6 Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
415~655	≥240	l: ≥30 tr: ≥17

* l: Longitudinal; tr: Transverse.

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