Prepainted Galvalume Rolled Coil for Roof

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
30000 m.t./month

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Product Description:

Structure of Prepainted Galvalume Rolled Coil

 Prepainted Galvalume Rolled Coil for Roof

Description of Prepainted Galvalume Rolled Coil
Aluminum zinc coils is a kind of coated steel coil/sheet. With the cold rolled steel of different strength and thickness as substrate, it is produced through applying Al-Zn coat on both faces by hot dip process. In its coating, Al accounts for about 55%, Si 1.6%, while the remaining is Zn. Aluminum zinc coils enjoys both the physical protective feature and durability of Al and the electrochemical protective property of Zn. And its surface has bright silver color and regular embossed-like figure, which are highly decorative. 

 

Main Feature of Prepainted Galvalume Rolled Coil

1.Corrosion resistance: It mainly depends on the aluminum protection. When the zinc being worn, the aluminum will  form a dense layer of aluminum oxide, resist corrosion material to prevent further corrosion inside. 
2. Heat resistance: Aluminum zinc alloy steel sheet has excellent heat resistance, can withstand high temperatures over 300 centigrade, and is similar with aluminized steel high temperature oxidation resistance. It often used in chimney pipes, ovens, fluorescent lighting device and the device cover. 
3. Heat reflective: Galvanized steel plate heat-reflective high rate is twice as galvanized steel, often used to make insulation materials. 
4. Economy: Because density of 55% AL-Zn is smaller than the density of Zn, so in the same weight and thickness of Galvanized zinc layer, aluminum-zinc steel plate is larger area more than 3% of galvanized steel sheet. 

 

Applications of Prepainted Galvalume Rolled Coil
1. Construction and building: roofing; ventilating duct; handrail; partition panel;etc.

2. Electric appliance: refrigerator; washing machine; refrigerator; DVD;etc.

3.Transportation: oil tank; road sign; etc.
4.Agriculture:barn; etc.

5.Others:vending machine; game machine; etc.  

 

Prepainted Prepainted Galvalume Rolled Coil Image

 Prepainted Galvalume Rolled Coil for Roof

 

Specifications of Prepainted Galvalume Rolled Coil 

Structure

Item

Thickness

Type

Feature

Laminated film

50μm

Polyethylene

Protecting from scratchs and contamination(option)

Top coat

20μm

Polyester Fluorine

Chemical resistance and formability

Primer coat

5μm

Polyester

Workability, corrosion resistance and adhesion to the primer coating

Chemical treatment

1μm

Chromate

Good adhesion and corrosion resistance

Substrate

0.2mm-1.2mm

GI.GL,AL

GI.GL,AL

Back coat

5±2μm

Epoxy

Corrosion resistance and adhesion to the substrate

 

FAQ of Prepainted Aluminum Zinc Rolled Coil for Construction

We have organized several common questions for our clients,may help you sincerely: 

1. What is the minimum order quantity ?  

Our MOQ is 50mt for each size. And we will consider to give more discount if you make big order like 1000 tons and more. Further more, the more appropriate payment term your offer the better price we can provide. 

2. How long can we receive the product after purchase?

Usually within thirty working days after receiving buyer’s advance payment or LC. We will arrange the factory manufacturing as soon as possible. The cargo readiness usually takes 15-25 days, but the shipment will depend on the vessel situation.

3. How to guarantee the quality of the products?

We have established the international advanced quality management system,every link from raw material to final product we have strict quality test;We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

 

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Q:How do I clean stainless steel?
Use stainless steel cleaner which you can get at hardware stores, Home Depot, and Lowes.
Q:are surgical stainless steel and surgical steel the same thing?
There are different grades of surgical steel. I'd look for something that says, implant surgical steel. I have the same trouble as your mother, but my daughter's is worse. This is not saying that you will have problems. but better safe!
Q:Is Grade A Surgical Steel...?
Perfect! 3
Q:what steel is best for a survival/utility knife?
Ok, lets define what is Damascus steel. The modern Damascus is basically any steel that shows a pattern. Patterns are accomplished by 1. manipulating the crystal structure or 2. by combining 2 or more different alloys together. The blade you are looking at is referred to as a pattern welded blade. Damascus is only as strong as it's base components + heat treat and design. The strongest will be obtained by combining high carbon and low carbon steels. I do this by using steel cable. The patterns aren't real bold but are interesting none the less. To break it you must brake the hard steel and tear through the soft iron. The laminated stuff works the same way. For greater edge holding I use all high carbon, varying alloy content from simple carbon to chromium/nickle alloys. These are what you normally find in pattern welded blades. A fine pattern that has many lamination's crossing the edge will offer the best edge holding. Properly done one can get the DCE or damascus cutting effect where the soft layers wear away faster than the hard layers almost making the blade self sharpening. Is that blade good? Buy it if you like it, it won't compare to a well made hand forged blade but is much cheaper. sorry for the overload.
Q:Why is it called Stainless Steel?
Because it stains less than some other metals.
Q:question about swords steel?
Steel grades generally tell you how much carbon is in the steel. The higher the number the more carbon. Aside from quality of manufacture, the better swords tend to be 1060 or more. Few quality swords are made from 1045. Which DOES NOtT hold an edge better (quite the reverse). Swords made of these different steels weigh about the same. That is, if you made two identical looking swords - one of 1095 the other of 1045, they would weigh the same. 1045 is only more commonly used because cheaper swords tend to be made from it. Edit: No real swords are made from stainless steel.
Q:Does mild steel have a high carbon content?
High carbon steel is much harder than iron. In fact, steel -is- iron with carbon in it. Mild steel has a very low carbon content and is much softer. High carbon steel is much stronger after heat treatment. However, about 2% carbon, it is considered cast iron. Mild steel contains about 0.16% to 0.29% carbon content. It has a relatively low strength but is highly malleable.
Q:Can you replace the nylon strings of a classical guitar with steel ones?
Don't. okorder.com/
Q:what is stainless steel?
Chromium, nickel and molybdenum. Along with less carbon.
Q:Can a 1000lb hollow steel ball float in water?
sure, if the volume of air is about 7 times the volume of steel, the specific weight of the steel/air system would be below 1.0 and it will float. How do you think ships float?

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