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Hot-dip galvanizing (HDG) is the process of dipping fabricated steel into a kettle or vat of molten zinc. While the steel is in the kettle, the iron metallurgically reacts with the molten zinc to form a tightly-bonded alloy coating that provides superior corrosion protection to the steel. 

Hot-dip galvanizing features excellent forming properties, paintability, weldability, and is suitable for fabrication by forming, pressing and bending. Applications include domestic applications, building applications (e.g. wall elements, corrugated for roofing applications…), automotive applications, lighting fixtures, drums and various kinds of section applications.

Specifications

 


Hot-dip galvanizing steel sheet & coil

Standard

JIS G3302 / EN 10142/ ASTM A653

Grade (full hard & soft)

SGCC, SGCD, SGC340~SGC450, SGH340~490

DX51D, DX52D, S250GD+Z, S280GD+Z, S320GD+Z, S350GD+Z, S450GD+Z

CS-A / B, SS37(255)~SS50(340)

Thickness

0.15~2.0MM Cold rolled base

1.8~4.0MM Hot rolled base

Width

610~1500MM

Zinc coating

Z60~Z275

Spangle

Zero / minimized / regular

Coil weight

3~24 tons

Coil ID.

508 / 610MM

Treatment

Chromated (passivated) (Cr6+,Cr3+, Without Cr)

Surface

Oiled / Dry

Non-Skinpassed / Skinpassed

Edge

Slit edge

Mini ordered q'ty

60 tons/per size

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