Galvanized Steel Coil (GI)

Zinc-coated coils and sheets for roofing, ducting, cold forming and construction — regular, minimized or zero spangle.

Galvanized steel coils stored in warehouse

Product Introduction

Our hot-dip galvanized coils come from prime Chinese mills with uniform zinc layers and excellent formability. Slitting to your widths and cut-to-length sheets are available from our Foshan processing partners.

Every coil ships with an EN 10204 3.1 certificate, and zinc coating weight is verifiable by SGS or your nominated inspector before shipment.

Zinc coating: Z30 – Z275 g/m² (aluzinc AZ30 – AZ150 also available)
Base steel: DX51D+Z, SGCC, S350GD
Thickness 0.13 – 4.0 mm, width 600 – 1500 mm
Spangle: regular, minimized or zero

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Specifications

Technical Specifications

Commercial, drawing and structural forming qualities available.

Item	Range	Notes
Zinc coating	Z30 – Z275 g/m²	AZ30 – AZ150 aluzinc on request
Thickness	0.13 – 4.0 mm	Tolerance per EN 10346
Width	600 – 1500 mm	Slitting to narrow widths available
Base grades	DX51D+Z, SGCC, S350GD	Commercial / structural quality
Spangle	Regular / minimized / zero	Per application requirement
Coil weight	3 – 8 tons	Eye to sky or eye to wall packing

Applications & Service

Where Our GI Coils Go

Typical Applications

Roofing and wall cladding sheets
HVAC ducting and profiles
Cold forming and roll forming
Appliances and construction components

Packaging & Loading

Waterproof paper + metal sheet wrapping
Steel strapping on wooden pallets
Eye to sky or eye to wall, per request

Quality & Testing

EN 10204 3.1 mill test certificate
Zinc weight, adhesion and bend tests
SGS / BV inspection on request

Order Information

MOQ: 5 tons (trial orders welcome)
Delivery: 7–15 days stocked, 20–30 days mill production
Payment: T/T, L/C at sight

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Send your thickness, zinc coating and destination port — quotation within 24 hours.

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