Description

GI Coil is a high-quality hot dip galvanized steel coil designed for excellent corrosion resistance, durability, and long-term performance. Manufactured with a protective zinc coating, GI Coil is widely used in construction, industrial manufacturing, and fabrication applications. It offers strong mechanical properties, smooth surface finishing, and reliable formability suitable for various processing requirements.

ADVANTAGES OF GALMAXX® HOT DIP GALVANISED STEEL SHEET

• Economical
• Variable Length to suit specific needs
• Durable
• Easy / fast installation
• Termite proof
• Quality consistency / uniformity

 

PRODUCT USAGE

• Residential & Industrial Roofing
• Wall Cladding
• Rain Gutter
• Down Pipe
• Water Tank
• Steel Truss
• Floor Decking
• Light Gauge Sections
• Scaffolding Pipe
• Air-Con Ducting
• Window & Door Frame

 

Technical Specifications

• Available Widths: 762 mm, 914 mm, 1219 mm
• Thickness Range: 0.18 mm – 1.55 mm
• Surface Finish: Minimized Spangle / Skin-Passed (Extra Smooth)
• Surface Treatment: Cr6+ Passivated, Chrome Free, Resin Coating
• Coil Inner Diameter: 508 mm (20″)
• Maximum Coil Weight: 10,000 kgs

 

Standard Nominal Thickness & Width

Width (mm)	Thickness (mm)
1219	(BMT) 0.30, 0.35, 0.40, 0.45, 0.50, 0.60, 0.70, 0.80, 0.90, 1.00, 1.20, 1.55 (TCT) 0.50, 0.70, 0.80, 1.00, 1.20, 1.50
914	(BMT) 0.156, 0.176, 0.19, 0.22, 0.25, 0.28, 0.30, 0.34, 0.40, 0.42, 0.48, 0.50
762 (Corrugated Sheet)	(TCT) 0.18, 0.20, 0.23, 0.33

Remarks: Other thicknesses and widths are available upon request.

Coil Size & Weight

Inner Diameter	508 mm (20″)
Outer Diameter	1300 mm max for 1219 mm width 1450 mm max for 914 mm width 1600 mm max for 762 mm width
Minimum Coil Weight	2,000 kgs for 0.30 mm and below 2,500 kgs for 0.34 mm to 1.00 mm 3,500 kgs for 1.20 mm and above
Maximum Coil Weight	10,000 kgs

Mechanical Properties

Mechanical Properties	SGCH		SGC440		SGCC
	Guaranteed	Typical	Guaranteed	Typical	Guaranteed	Typical
Yield Strength (MPa)	550 min	600 – 750	440 min	440 – 550	270 min	340 – 400
Tensile Strength (MPa)	550 min	600 – 750	335 min	380 – 550	205 min	320 – 400
Elongation (%)	–	2 – 7	–	11 – 20	–	24 – 29

Types of Surface Finishes Available

Type of Spangle	Minimized Spangle, Skin-Passed (Extra Smooth)
Coating Mass (Standard)	Z08, Z12, Z18, Z22
Type of Surface Treatment	Cr6+ Passivated (General application) Chrome Free (Electrical appliances & automotive accessories) Resin Coating (Steel roof truss, batten & purlin)