A529 Grade 55 - ASTM A529/A529M-2019

Grade	A529 Grade 55
Corresponding Standard	ASTM A529/A529M-2019 High-Strength Carbon-Manganese Steel of Structural
Classification	Carbon Steel

A529 Grade 55 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cu ^①
Minimum Value	-	-	-	-	-	0.2
Maximum Value	0.27	0.4	1.35	0.04	0.05	-

A529 Grade 55 Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
485~690	≥380	(in 50mm) ≥20

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