Grade HC440/780DHD+Z
Other Names
Corresponding Standard GB /T 2518-2019
Continuously Hot-Dip Zinc and Zinc Alloy Coated Steel Sheet and Strip
Classification Alloy Steel
HC440/780DHD+Z Chemical Element Composition Content (%)
Component C Si Mn P S V B Al More
Minimum Value - - - - - - - 0.015 Cr+Mo≤1.40;Nb+Ti≤0.15
Maximum Value 0.18 0.8 2.5 0.05 0.01 0.2 0.005 2

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