prepainted rolled Steel Coil for construction Roofing Constrution

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50 m.t.
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30000 m.t./month

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Structure of Prepainted Rolled steel Coil for Construction Roofing

 prepainted rolled Steel Coil for construction Roofing Constrution

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. 

prepainted rolled Steel Coil for construction Roofing Constrution

prepainted rolled Steel Coil for construction Roofing Constrution

prepainted rolled Steel Coil for construction Roofing Constrution


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.  

prepainted rolled Steel Coil for construction Roofing Constrution


  prepainted rolled Steel Coil for construction Roofing Constrution

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:Are cold steel swords durable?
O.Adequate. First and fundamental it takes coaching and observe to use a katana. There may be a little bit component known as 'system'. You need to to search out an trainer. Except you're a fairly significant man, an O Katana is conveniently too large for you. Weapons of this way were not used for dueling, they have been further anti-cavalry weapons. As a substitute cumbersome for one in the direction of one combat. The cold steel katanas are not very regularly correct varieties of a japanese sword - missing finesse and poorly balanced. They are going to take a beating though and it seems like that's what you probably giving it. Severely, you possibly more often than not a hazard to your self and possible others round you - to search out an teacher.
Q:Who's this Dr. Steel that everybody is talking about?
Here are twenty that I grew up listening to, such a lot of them within the loved ones auto in which I had 0 manage over what used to be performed. But I nonetheless love each one in every of them to nowadays... Sea Cruise- Frankie Ford Walk Don't Run- The Ventures Don't Worry Baby- The Beach Boys Bus Stop- The Hollies These Boots Are Made For Walking- Nancy Sinatra I Saw Her- Mamas Papas A Taste Of Honey- Herb Alpert Everybody's Talking At Me- Nilsson Superstar- The Carpenters Indian Reservation- Paul Revere The Raiders Come And Get It- Badfinger Tell Me Something Good- Rufus Come And Get Your Love- Redbone Higher Ground- Stevie Wonder Waterloo- ABBA How Long (Has This Been Going On)- Ace The Hustle- Van McCoy More More More- Andrea True Connection Shining Star- Earth, Wind Fire Got To Give It Up- Marvin Gaye
Q:Infi steel tactical folders?
Infi Steel Knives
Q:Why is it called Stainless Steel?
It is called stainless because it is much more highly resistant to rust and corrosion. It is stainless in camparison to other steels, such as carbon steel.
Q:steel or aluminum on fixie?
I'm afraid you have opened a can o'worms. Aluminum as a material is roughly 1/2 the weight of steel. Aluminum as a material is also roughly 1/3 the strength of steel. his means you need 3 times more aluminum to make a frame as strong as steel which makes the aluminum frame 25% heavier. That being said, well designed and more expensive aluminum frames can easily weigh less than low zoot steel. Buying a cheap bike with an aluminum frame will ALWAYS weigh more than a middle of the road bike with a steel frame. ...and THAT being said, high end steel can easily weigh less than a high quality aluminum frame... note we are talking frames in the $2000 range- just for the frame. So, based on your explanation and attendant budget of the bikes you are considering, buy the steel bike. You won't be losing or gaining anything... except saving money.
Q:Which do u like better rolled oats or steel cut oats? and why?
Steel cut oats contain more nutrients because they have not been processed.
Q:why does steel rust?????????????
Steel is made by refining iron. Iron is mined as a red powdery ore. Unfortunately, when moisture and oxygen are present, the steel attempts to revert to its original state.
Q:how is structural steel cut?
I am going to take a slightly different approach. Once the structural steel is manufactured and then brought to the fabricator, not much heat is applied to the steel. It is normally punched, sheared or whatever buy the use of a lot of heat on it is normally not allowed due to the change in the properties of the steel. Once in the field to be erected, the cutting or welding on it are held to absolute minimums and most of the time not allowed at all.
Q:Does shooting steel case ammo in a AR-15 ruin/damage the gun?
Many people have to jam a cleaning rod muzzle end first, using a hammer to bang out steel cased ammo out of an Ar rifle. This has happened to me 3 times and will Never happen again. It said its harder on the extractor, well that is not so but the case will be badly damaged by the extractor and I don't think that is a good thing for any extractor. Any individual pushing steel cased ammo must be selling it...Don't Buy It!!!
Q:what is best cookware? stainless steel or iron?
I have a combination of them both. I have Le Creuset enameled cast iron dutch-ovens, pots and pans; as well as All Clad stainless steel saute and deep-rimmed pans which have a copper core. I have one non-stick pan that I use for cooking eggs in.

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