Prepainted Rolled Steel Coil For Construction Roofing Constrution

Ref Price:
Loading Port:
Payment Terms:
Min Order Qty:
50 m.t.
Supply Capability:
30000 m.t./month

OKorder Service Pledge

Quality Product

Order On-line Tracking

Timely Delivery

OKorder Service Pledge

Credit Rating

Credit Services

Credit Purchasing

Share to:

Product Description:

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.


Send a message to us:

Remaining: 4000 characters

- Self introduction

- Required specifications

- Inquire about price/MOQ

Q:Can I soften the steel on steel toe boots?
Steel can't be softened. You really ought to sit on the bike when it's not running and see how it feels when shifting. You may be imagining a problem that doesn't exist. A lot of bikers where steel toes to protect their feet. I can't believe that this is a real problem, but if it is for you, then get different boots.
Q:Whats better chrome vanadium steel or carbon stainless steel?
This Site Might Help You. RE: Whats better chrome vanadium steel or carbon stainless steel? I'm trying to buy a Survival,tactical knife but don't know what steel is better
Q:steel shafted fairway woods...?
i take advantage of a three timber off the tee while a motive force could bypass in the process the fairway on a dogleg, or while the fairway gets narrower the further you hit it. Use it to get as close to to a par 5 in 2 as i will, or perhaps even attain a par 5 in 2. Use it to make up floor in case you permit out a rigidity, every time the photos demands me to hit it between 220 and 235 it quite is approximately how some distance I hit my 3 timber. I additionally carry a 5 timber which I hit approximately 2 hundred to 215 and extremely severe so it lands comfortable. i do no longer carry any hybrids regardless of the undeniable fact that as I nevertheless like to hit long irons.
Q:difference between metal and steel?
well, steel is a type of metal. It's sort of like asking the difference between a bug and an ant, an ant is a bug, but not every bug is an ant. Likewise, steel is metal, but not all metal is steel. Gold is metal, Silver is metal, Iron is metal, Steel is metal.
Q:fallout 3 before broken steel?
Yes. The Broken Steel add-on goes automatically where ever you are. The thing is, I would like stand around the control room for a little while until the Broken Steel add-on is completely downloaded (Basically pop A LOT of rad-x and radaway). You should see a pop-up message saying that Broken Steel is installed and the level cap is now at 30.
Q:are steel guitar strings ok? :)?
Classical P.S Classical guitars are not limited to playing classical music but that is generally what they are used for.
Q:Different properties and uses of three types of steel?
TYPES OF STEEL: CARBON STEEL ============= Steels containing 0.2% C to 1.5% C are known as carbon steel. They are of three types. Low Carbon Steel It contains 0.2% carbon. Uses: Sheets, wires, pipes. Mild Carbon Steel It contains 0.3% to 0.7% carbon. Uses: Rails, boilers, plates, axles, structures. High Carbon Steel It contains 0.7% to 1.5% carbon. Uses: Surgical instruments, razor blades, cutlery, spring. STAINLESS STEEL =============== It contains 14% to 18% chromium and 7% to 9% nickel. Uses: Car accessories, watch case, utensils, cutlery. ALLOY STEEL ============= There are three types of alloy steel. Mn-Steel It contains 10%-18% Mn. Uses: Rail tracks, armor plate, safe. Si-Steel It contains 1% to 5% Si. Uses: Permanent magnet. Ni-Steel It contains 2% to 4% Ni. Uses: Machine components, Gear, shaft, cable. :) Ref.
Q:When was steel first used in buildings?
steel was first used in the 1800s in buildings.
I would go with some in one and less in the other. Given that steel prices have collapsed (and seeing as the Chinese economy is going into a recession, they will probably stay low for a while) I would say that because US Steel is a blue chip company it will be around for the long term, but, it won't make much for a while. GE on the other hand has been beaten down thanks to some mismanagement issues under current CEO Jeffrey Immelt, however, they have a range of strong products (save for their broadcast division, RCA/NBC). Given that the stock is at a severe low with the company itself being worth quite a bit (with a fair amount of bailout funds coming to its' financial division) and the Obama administrations' green initiatives coming online over the next couple of years the demand for their products will be high. I would simply say 70/20 GE/US. Good luck.
Q:Scientific answers please: Are there various grades of stainless steel?
In general, the austenitic stainless steels are considered to have the best overall corrosion resistance of all the stainless steels and to be the most resistant to industrial atmospheres and acid media. As the corrosion conditions become more severe (e.g. higher temperatures and stronger acids), more alloy content above that in type 304 is required. The addition of over 2% Mo to austenitic stainless steels increases resistance to pitting. Type 316 is a popular alloy in this class and contains 2.5% Mo.

1. Manufacturer Overview

Year Established
Annual Output Value
Main Markets
Company Certifications

2. Manufacturer Certificates

a) Certification Name  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port
Export Percentage
No.of Employees in Trade Department
Language Spoken:
b)Factory Information  
Factory Size:
No. of Production Lines
Contract Manufacturing
Product Price Range