Best seller galvalume coil steel galvalume coil gl SGLCC galvalume steel coil sheet
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Best seller galvalume coil steel galvalume coil gl SGLCC galvalume steel coil sheet

Item No.: 00095
Product Name: Galvalume Steel Coil/Sheet/Strip/Roll, Aluzinc Steel Coil,GL Steel Coil
Standard: EN, DIN, JIS, ASTM
Thickness & Tolerance: 0.12-6.00 mm (+0/-0.001mm), or customization
Width & Tolerance: 600-1500 mm (+/-0.06mm), or customization
Description Specifications Production Process Material & Application Review

Product Description:

Product Name: Galvalume Steel Coil/Sheet/Strip/Roll, Aluzinc Steel Coil,GL Steel Coil

Standard: EN, DIN, JIS, ASTM

Thickness & Tolerance: 0.12-6.00 mm (+0/-0.001mm), or customized as required

Width & Tolerance: 600-1500 mm (+/-0.06mm), or customized as required

Al-Zn Coating: 30-275g/m2 or customized

Spangle: Normal (non-skinpassed) spangle, Skinpassed spangle, Regular spangle, Minimized spangle

Surface Treatment: Chromate passivated, Non-chromate passivated, Chromate passivated + oiling, Non-chromate passivated+oiling, Anti-fingerprint, Non-chromate anti-fingerprint treatment, Oiling, No treatment

Steel Grade: DC51D, DC52D, DC54D, DC53D, S250GD, S300GD, S350GD, S450GD, S550GD,etc.

Product Introduction

Galvalume steel is also called Aluminum-Zinc Alloy Coated Steel, Zincalume steel, aluminized zinc steel (aluzinc steel), SGLC, The galvalume metal is composed of 55% aluminium, 43.4% zinc and 1.6% silicon solidified at 600 ~C. Its whole structure consists of aluminium-iron-silicon-zinc, forming a compact quaternary crystal alloy. The surface of the galvalume steel sheet is characterized by smooth, flat and gorgeous stars, and its base color is silver white. The special coating structure makes it have excellent corrosion resistance. The normal service life of galvalume steel sheet is up to 25a, and its heat resistance is good. It can be used in high temperature environment at 315 C. The adhesion between coating and paint film is good, and it has good processing performance. It can be punched, sheared and welded. The surface conductivity is very good.

Characteristics of Galvalume Steel

It can satisfy the processing requirements of rolling, coiling and others processes alike.

2.Thermal resistance
Common HDG steel plate normally works under 230℃, and has its color changed at 250℃, however, Galvalume steel plate cansustain the environment at 315℃ for long time.

3.High reflectivity
Reflection ability of heat and light is twice as much as those ofhot-dip zinc steel sheet, and its reflectivity is more than 0.70, exceeding 0.65 (required by the EPA Energy Star Standard), which is an ideal construction materials of saving energy.

4.Resistance to corrosion
Al-Zn coated steel sheet has better performance in corrosion resistance than GI sheet of the same thickness and its service life is 2-6 times longer than general GI sheet.

Why Choose Us?

01.Advanced equipment
Two galvalume steel coil production lines, the equipment level is at the forefront in China, and the plant area is 30,000 square meters.

The average monthly output of galvalume steel coils is around 5000-8000 tons, which can meet the large demand of customers. At the same time a large number of stocks.

03.Sales services
We have professional sales staff in Spanish, Portuguese, French, Arabic, and Russian for different markets.

Precautions While Using

1.The Galvalume steel should be kept away from the alkaline medium.

2.The roof made out of the Galvalume steel requires a slope to help drainage and to alleviate corrosion.

3.The Galvalume steel sheet should have no direct contact with foundation concrete, wet wood, steel, lead and graphite.

4.Use trimmed plate rather than the plate to be cut plate at job site.

5.While the steel plate is piled and processed, its finger-print proof film should be protected from getting black due to dampness and high temperature.

6.If the Galvalume steel is used for foaming and bonding application, then, small-lot test is needed for the initial use, in order
to prevent the poor bonding.

7.If the Galvalume steel need to be cleaned,we do not suggest to be cleaned with ethanol. If must to be used, small-lot is needed for the initial use, in order to prevent the damage of the coating.

Quality and Commitment

1.The powdering degree of the product will not exceed 6 grades in 10 years, according to ASTM regulations.

2.No visible cracks after processing and forming within 5 years.

3.No corrosion perforation in 15 years.

Special Note

Normal processing and use conditions are as follows:

1.Normal climatic conditions (extreme cold, extreme heat, high salinity, except strong acid environment).

2.Zinc coating thickness ≥150g / m2.

3.Avoid contact with special chemicals.


Coil weight 3-20 metric ton per coil
Coil diameter 508mm / 610mm
Certification ISO,SGS
Monthly production 5000-8000 tons
MOQ(Minimum order quantity) 20 tons
Delivery time Stock: 7days
futures: 15-35 days
Packaging water proof paper is inner packing,galvanized steel or coated steel sheet is outer packing , side guard plate,then wrapped by seven steel belt.or according to customer’s requirement
Port Shanghai
Export market Europe
Central Asia
Southeast Asia
Middle East
South America
North America, etc
Production Process

Material & Application

Galvalume Steel Coil Detailed Picture

Production Line of Galvalume Steel Coil


Appliances Industry

Outer clad sheets for washing machine, refrigerator, television, air conditioner and ventilation system, explosion-proof strip, solar water heater and appliance parts.

Industrial Instruments

Electric control cabinet, industrial refrigeration equipment, automatic vending machine.


Roofs and outside walls of civilian and industrial buildings, garage doors, fencings and window blinds.


Piggery, chicken coop, granary, greenhouse pipes, etc.


Muffler, heat shields of exhaust pipe and catalytic converter, auto parts & accessories under the frame, signboard in highway.


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