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Color Coated Galvanised Iron Sheets Specification

Substrate color coated galvanised iron sheets
Zinc coating (gsm) more than 30 gsm
Hardness (HRB) 40-90
Yield strength (mpa) 240-700
CoiliD (mm) 508
Thickness (TCT in mm) 0.12-1.20
Width (mm) 600-1250
Cut-to-Iength (mm) 500-4800
Coil weight (t) 2-8
Profile Corrugated, trapezoidal or any other as per customer’s requirement
Guard film (microns) optional
Standards JIS G 3312, ASTM A 755, EN 10169-1, IS 14246-1995
Paint system*
Primers : Epoxy, polyester/ universal
Top coat : Regular Modified
Polyester (RMP)
Backer coat : Epoxy, polyester
Characteristics Primer top coat (micron) 7 (max.)
Top coat (micron) 20 (max.)
Primer + Backer coat (micron) 12 (max.)
Colour As per RAL code/ customer’s requirement
Gloss Matte 35% (+ /- 5%)/ semi-gloss 60% (+/- 5%) high gloss > 70%

Color Coated Galvanised Iron Sheets Structure

A – Cold rolled steel ….. substrate Prepainted Galvalume Steel Coil for Construction Material
1 – Zinc coat
2 – Pre-treatment (chromating)
3 – Primer
4 – Top coat
5 – Backer coat
6 – Guard film (optional)

Color Coated Galvanised Iron Sheets Packaging & Delivery

Packaging Details:
1. Wooden and iron pallet can be used or as your requirements.
2. And each packed coil to be properly wrapped with band, three-six such band through the eye of coil at about equal distance, and two-four such bands securely tied around belly of coil at about equal distanc
3. Standard export and seaworthy strong packing; 2, wrapped with water proof paper
Delivery Time: 7-30 days.


1. Our company produce various specification and models and national standards of galvanized steel coil.

2. Using high-quality material and advanced production technology and equipment for processing.

3. Applicable to a humid climate and the harsh corrosive environment.

4. Products has been all over the country more than 20 provinces, municipalities .


Standard ASTM A653, JIS G3302,GB/T3830-2006
Thickness 0.12-1.4mm
Width 600-1250mm(usual size:762mm,914mm,1000mm,1200mm,1219mm,1220mm,1250mm,)
Base metal Galvanized steel coils/Galvanlume steel coils
Zinc coating 60-275gsm
Coil Internal Diameter 508 mm/610mm
Surface treatment Bright and clean, smooth and flat
Coating structure Top+ Prime/Back, PE/EPOXY; 20- 25 microns/5-7 microns
Lifespan 10-15 years, very strong corrosion resistance it wouldn’t fade.
Tolerance Thickness:+/-0.05 mm, width: +5/-2 mm; Total quantity: +/-10%,Zinc coating:  +/-10%
Tensile Strength >300mpa
Yield Strength 370-380mpa
Machine features Suitable for molding and join-up shaping, welding processes
Coating thickness Top:17-25um back:5-8um
Color options Ral number or as per your request
Type Steel coil/Steel sheets or plates/Corrugated steel sheets or plates
Packing Standard seaworthy export packing: 3 layers of packing, inside is kraft paper,

water plastic film is in the middle and outside GI steel sheet to be covered by steel strips