Grade A529 Grade 50
Corresponding Standard ASTM A529/A529M-2019
High-Strength Carbon-Manganese Steel of Structural
Classification Carbon Steel
A529 Grade 50 Chemical Element Composition Content (%)
Component C Si Mn P S Cu
Minimum Value - - - - - 0.2
Maximum Value 0.27 0.4 1.35 0.04 0.05 -
A529 Grade 50 Mechanical Properties
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
450~690 ≥345 (in 50mm)
≥21

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