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Hot dipped galvanized steel coils/Sheets

The cold rolled steel coil is the one made by cold rolled machine, and people call it as chill coils. Practically, the steel coils which are made and processed by cold rolling are called cold rolle...
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The cold rolled steel coil is the one made by cold rolled machine, and people call it as chill coils. Practically, the steel coils which are made and processed by cold rolling are called cold rolled steel coils. The cold rolled steel coils are the materials of the galvanized steel coils. And then it is processed by the alkaline wash, anneal, galvanization and unknit. Sometimes, people call it as cold rolling galvanized steel coil.

Chemical Composition
GRADE C Si Mn P S Ti
SGCC/DX51D+Z ≤0.10 ≤0.50 ≤0.60 ≤0.10 ≤0.030 ≤0.020
DX52D+Z ≤0.10 ≤0.50 ≤0.60 ≤0.10 ≤0.030 ≤0.020
SGCD/DX53D+Z ≤0.10 ≤0.30 ≤0.50 ≤0.05 ≤0.030 ≤0.020
SGCE/DX54D+Z ≤0.10 ≤0.30 ≤0.30 ≤0.03 ≤0.020 ≤0.020
DX56D+Z ≤0.10 ≤0.30 ≤0.30 ≤0.03 ≤0.020 ≤0.020
Structural ≤0.20 ≤0.60 ≤1.70 ≤0.10 ≤0.045

 

Hot dipped galvanized steel coil Mechanical Properties
GRADE Yield Strength MPa Tensile Strength MPa Elongation %
SGCC(DX51D+Z) ≥205 ≥270
SGCD(DX53D+Z) ≥270 38
SGCE(DX54D+Z) ≥270 40
DX56D+Z ≥270 42

The galvanized steel coil is shorted as GI.

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