Prepainted Rolled steel coil for Construction roofing use

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50 m.t.
Supply Capability:
30000 m.t./month

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Structure of Prepainted Rolled steel Coil for Construction Roofing

 Prepainted Rolled steel coil for Construction roofing use

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 use

Prepainted Rolled steel coil for Construction roofing use

Prepainted Rolled steel coil for Construction roofing use


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 use


  Prepainted Rolled steel coil for Construction roofing use

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:What does buns of steel mean in this sentence?
Bunz Of Steel
Q:What effects does the hercules control steel have?
I guess that since Steel doesn’t have headphones connection and a built-in soundcard, one won’t be able to play a track on one deck and prelisten the track on the other without using an external usb soundcard, right? I was wondering what’s the point in releasing a product like this if you also have to buy a bunch of equipment to be able to do sth “fondamental”: play while preparing your next song. However since the steel is meant for DJ’s who already have a great soundcard, but I don’t see why a Steel+sound card is ONLY for pro’s. Yes it’s designed for pro’s but you can use it as a beginner. Some consoles you also need to consider: Hercules Steel/RMX, Numark OMNI/Steath. It's all personal decision. Peace, Love Happiness
Q:whats the benifits of using steel material for fasteners?
There are different grades of steels which can suit different application considering corrosion,surrounding atmosphere,pressure,temperature and many more. Let us take the stainless steel fasteners: 1.Resists Rust: The primary advantage to using stainless steel bolts is that they resist rusting. This makes them ideal for outdoor or marine uses, since moisture will not cause them to corrode. Rust basically eats steel and makes it weaker. A rusty, weak bolt can be a serious safety risk, because it can break under a load. 2.Clean: Stainless steel bolts are very easy to clean due to having a higher content of chromium, which creates a lustrous, mirror-like surface that is very smooth. This makes stainless steel an ideal option if aesthetics are an issue. 3.Temperature: Stainless steel has a high melting point, which makes it a good option in machines that are put through immense amounts of heat. The bolts will not fuse together, and can be unfastened when the machines need repairs. Also, in very cold conditions, steel can become brittle. By mixing nickel into the stainless steel, the metal resists becoming brittle at low temperatures. See the source link for details.
Q:Does anyone know about steel framed houses?
the building I work in is steel framed, no humidity problems. I can't believe that steel frame anything causes humidity problems. I would ask for an explanation from whom ever told you this. One thing is cell phones, radios etc. have bad reception due to all the interference.
Q:TRAGUS PIERCINg?!Stainless Steel?!?
Ttitanium is better.
Q:Steel content of kitchen knife any good?
Q:Galvanized Steel Poisoning?
Pot stands and stoves constructed from galvanized steel can cause metal fume fever when heated. This is caused by the inhalation of zinc oxide fumes or dust produced when galvanized steel is welded or burned. The signs and symptoms can be vague (shaking chills, fever, body aches, headache, and fatigue) and are similar to those of the flu or a viral illness.
Q:Guitar strings, nylon or steel?
Your steel-string acoustic should not be all that much harder to play than your nylon string acoustic. Classical guitars have stretchier strings, but they also normally have higher action (string height). It sounds like your steel-string may have a problem. A typical low action would be around 0.090 gap between the low E string and the top of the 12th fret, and 0.070 between the high E and the top of the 12th fret. If yours is a lot higher than that, having it professionally set up will probably help. If it's a very cheap guitar, replacement might be the best option. Why do you need to choose between classical and steel-string? You already own both.
Q:cold steel kukri question?
I don't know about the Kabar Kukri, but I can vouch for the Cold Steel product. Cold Steel tests all of their products in extreme conditions, check out their website and look up their free video cold proof. They do things like cut a side of beef, bones in, in half with one strike, or cut a 3 inch thick rope 1,000 times with the same knife and then still shave the hair off their arms, and also they take their knives and stab them through car doors and hang weights on them. So a Cold Steel Kukri is guaranteed to do its job well (which incidentally is used to sever heads). They usually have pretty good prices too. The only thing you need to worry about is the legality of ordering that weapon wherever you live. Cold Steel is totally legit (annoyingly so) and will not mail/sale weapons to areas that have banned the purchase and ownership of them. So good luck with your purchase!
Q:what are surgical steel earrings?
It means they are hypoallergenic.

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