Grade A633 Grade D
Corresponding Standard ASTM A633/633M-2018
Normalized High-Strength Low-Alloy Structural Steel Plates
Classification Alloy Steel
A633 Grade D Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo
Minimum Value - 0.15 0.7 - - - - - -
Maximum Value 0.2 0.5 1.35 0.03 0.03 0.25 0.25 0.35 0.08
A633 Grade D Mechanical Properties
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
t≤65mm 485~620 ≥345 (in 50mm)
≥23
65mm<t≤100mm 450~585 ≥315 ≥23

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