A551 Class AHT - ASTM A551/A551M-2008(R2018)

Grade	A551 Class AHT
Corresponding Standard	ASTM A551/A551M-2008(R2018) Standard Specification for Carbon Steel Tires for Railway and Rapid Transit Applications
Classification	Alloy Steel

A551 Class AHT Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	Ti	V	Nb	Al
Minimum Value	0.5	0.15	0.6	-	0.005	-	-	-	-	-	-	-	-
Maximum Value	0.65	1	0.9	0.03	0.04	0.25	0.25	0.35	0.1	0.03	0.04	0.05	0.06

A551 Class AHT Mechanical Properties

Tensile Strength σ_b Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW
≥760	≥16	≥32	223~277

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