Pre-painted Rolled steel Coil for Construction Roofing

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Structure of Prepainted Rolled steel Coil for Construction Roofing

 Pre-painted Rolled steel Coil for Construction Roofing

Description of Prepainted Rolled steel Coil for Construction Roofing
Prepainted Rolled steel Coil 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 Rolled steel Coil for Construction Roofing

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 Rolled steel Coil for Construction Roofing
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.  



  Pre-painted Rolled steel Coil for Construction Roofing

Specifications of Rolled steel Coil for Construction Roofing 


Prepainted Rolled steel Coil for Construction Roofing

Material Grade

SGCC / SGCH  / DX51D+AZ, etc






Thickness: +/-0.02mm , Width:+/-2mm




Raw material: Hot rolled steel coil --> Cold rolled_>hot dipped galvalume


Dried, Chromated, Unoiled


Regular spangle , small spangle, zero spangle



Coil weight

10MT max

Export package

Cardboard inner sleeves, Waterproof paper, galvanized steel covered and steel strip packed


FAQ of Prepainted Rolled steel Coil for Construction Roofing

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:carbon steel?
All steel has carbon in it, usually less than 1%. The fancy steels that have enough other elements mixed in are generally called alloy steels. So, carbon steel usually refers to the most basic cheap steel. A36 is a kind of carbon steel that meets specific standards of the A36 specification. I don't know what 01 carbon steel is. Steel is available all over Los Angeles so just look in the phone book yellow pages under steel or metal. If you are near El Monte, my favorite place is Industrial Pipe and Steel, lots of cheap scrap, used machinery, and a huge industrial hardware store built right in. There is a place in Gardena called MK Metals. There's a great place just north of the Burbank airport (can't remember the name) and one in Harbor City called Action Metals (big on recycling). No sense driving all over. Just check the phone book. Two very common carbon steels just go by the terms hot rolled and cold rolled. Hot rolled is the cheapest and softest and still has the mill scale attached so the surface is a little rough and uneven, but this is by far the most commonly used. Cold rolled (usually the AISI 1018 grade) has been work hardened and rolled flat and smooth. It's slightly more expensive but stronger and prettier. If you are going to cut away some of the thickness and you want the steel to remain flat, you probably want hot rolled steel because sometimes the cold rolled steel (CRS) will warp. It does that because the steel is already prestressed from the cold rolling process and when you cut away some of the pre-stressed material the forces holding the material flat are no longer balanced.
Q:Remington 870 wingmaster steel shot duck hunting?
Remington Steel Shot
Q:Is steel lighter than iron?
Steel and iron weight about the same, or more correctly, have about the same density. Steel is stronger, which allows structures to be built with less material, and thus lighter.
Q:Are scandium revolvers as durable as steel?
Not that I have ever heard. I have a pd340 thats about 3 yrs old, has about a thousand .38 rounds through it with no noticable loosening of the crane or anything. FWIW, the weight savings in a J frame is only a few ounces over an airweight, but the cost is almost double. Check out the SW 638 or 438.
Q:Why are most homes framed of wood rather than steel?
In most locations a 2x4 is slightly cheaper than a steel stud. The labor is cheaper with wood because it's less skilled and there are many people to swing a hammer cheaply. Most contractors do what they know and most only know wood.
Q:.308 steel cased ammo in my remington 7400?
I shouldn't have an R-25, however probabilities are that when you use metal cased ammo in it you are going to sometimes handle stuck instances. That's the rate you pay for the cheap ammo. As a rule when a case sticks without problems tapping the butt firmly on the ground then pulling the charging handle will dislodge and eject the case. It can pay to invariably have a cleaning rod with you, if the above repair does not work, you push the case out with the rod.
Q:were the twin towers made from reinforced steel?
There is no way you could make a 110 floor building out of concrete.
Q:Who Is Dr. Steel?
Dr. Steel is an extremely complex phenomenon, a bit of a metaphorical nesting doll. On the surface, Dr. Steel can appear to some as simply a method actor musician with an over-the-top gimmick. Just underneath that facade lies an enigma; he makes some people wonder if he's really serious, just trying to entertain, or completely barking mad. But underneath the second facade, Dr. Steel is really acclaimed comic-book writer and chaos magickian, Grant Morrison. Make no mistake, he really thinks he is Dr. Steel. He has taken method acting and ceremonial magick to the highest levels, and fully intends to take over (or make over) the world. What's more, in the three short years since handing over his comic-book authorship to a ghost writer, he has amassed tens of thousands of followers worldwide. I've done several polls among Dr. Steel fans, and the results show that for every one person who has officially signed up, there are ten more loyal followers who have not.
Q:Where can I get coupons for Stainless Steel Magnetic Knife Rack?
listed under are a number of them: 5.0 out of 5 stars could no longer be extra effective, March 3, 2006 by applying Denise M. Henderson (Groveland, CA united states of america) stable sturdy shape. seems great. common installation. appropriate length. Magnet appropriate capability. only confirm you place the back of the blade to the magnet first, then turn the knife flat onto the magnet. or you will cut back to rubble the knife blade. 5.0 out of 5 stars purchase it!, November a million, 2004 by applying T. Berktan (Le chef amateur) (Chicago, IL) i admire this knife holder. at first it rather is sanitary. would not take counter area and IT seems SO COOL on the wall. i might purchase it lower back with out hasitation if I had to. 5.0 out of 5 stars Very clever and seems great!! i like it!!, August 24, 2005 by applying Stacy S. Wooten i in my opinion, rather like this knife holder. It replaced into common to place up and seems great on my kitchen backsplash. it rather is long sufficient to hold all my knifes (approximately 8). it rather is a competent, stable magnet, and seems very stylish in my kitchen. i might surprisingly propose this product to everyone searching for a magnetic knife holder.
Q:Would aftermarket steel wheels weigh more than stock jeep wheels?
steel is steel is steel- they will always be heavy you would have to weigh them to find out--NOW if you are going to alloy wheels they are typically aluminum and yes they are lighter -this is good because it lightens your un-sprung weight and is less harmful to your suspension-good for your auto

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