• Prepainted rolled Steel Coil for Construction Roofing System 1
  • Prepainted rolled Steel Coil for Construction Roofing System 2
  • Prepainted rolled Steel Coil for Construction Roofing System 3
  • Prepainted rolled Steel Coil for Construction Roofing System 4
Prepainted rolled Steel Coil for Construction Roofing

Prepainted rolled Steel Coil for Construction Roofing

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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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Structure of Prepainted Rolled steel Coil for Construction Roofing

 Prepainted 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. 

Prepainted rolled Steel Coil for Construction Roofing

 

Prepainted rolled Steel Coil for Construction Roofing

 

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

Specifications of Rolled steel Coil for Construction Roofing 

Product

Prepainted Rolled steel Coil for Construction Roofing

Material Grade

SGCC / SGCH  / DX51D+AZ, etc

Thickness

0.2-3.0mm

Width

600-1500mm

Tolerance

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

Zinc-coating

AZ40-150g/m2

Technique

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

Surface

Dried, Chromated, Unoiled

Spangle

Regular spangle , small spangle, zero spangle

ID

508MM

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.

Q:How are steel coils used in the manufacturing of exhaust systems?
Steel coils are used in the manufacturing of exhaust systems as they are rolled into sheets and then formed into various components such as mufflers, pipes, and catalytic converters. These coils provide the necessary strength, durability, and corrosion resistance required for exhaust system components to withstand high temperatures and harsh conditions.
Q:I'm getting my nose pierced, meaning that i have to keep the piercing in for a prolonged time. i've always had reactions when wearing sterling silver or fake earrings (i dont know what types of metal they were) after wearing it overnight. Will I get a reaction on my nose piercing if the stud is surgical steel?
Good quality surgical steel reactions are rare. (has a lot less nickel than stainless steel) They have a teeny amount of nickel, but even the most serious reactors rarely have problems with it. Titanium has even less nickel. Niobium none (but that can be hard to find) Theres also quartz, which is fine to pierce with, but not for sports. I react to alot of cheap 'metals'. Which mostly end up being nickel plated. Like necklaces and belt buckles. Even some gold (which is nowhere near as good as people seem to think) Never had a problem with surgical steel or ti. I'd get titanium if you're worried. Its readily available.
Q:What are the common coil processing methods?
Some common coil processing methods include slitting, cut-to-length, leveling, and blanking. These methods are used to transform large coils of metal into smaller, more manageable sheets or strips for further manufacturing processes.
Q:I'm pretty sure that this topic has been beaten to death by now. But, I still can't get a definite answer. With stainless steel, you get better corrosion resistance, and you will hold and edge longer. With carbon steel, you will hold a sharper edge, and you could forge a knife blade longer than 2 ft without breakage. I'm personally a fan of stainless steel ( the 440 grade stuff ), just because it seems to hold up to use and abuse better in the long run. HOWEVER, I have NEVER had a factory made knife break on me. I don't think that they would try to sell you a knife that didn't do what it was meant to do, at least to a reasonable degree. (I work for a living, and can't afford a custom $600 knife.) What do you think? Is this a pointless topic? Will there ever be a winner?
If your talking about a folding pocket knife, I think that it's basically six one way and a half dozen the other. I actually do prefer stainless for my pocket knives. I don't want to oil a knife to the degree I feel carbon requires, only to then stick it my pocket to attract dirt to the knife and oil to my pants. I'm the exact opposite on sheath knives though. I like 1095 carbon steel, plain edge sheath knives. I'll thrash on them HARD, and I rarely have major edge problems. Of course, I require them to be coated with some kind of powder coat or the like, because they can rust, but I do try and keep them clean and dry when in the sheath, so they won't pit the uncoated edge. My reasons for this sheath knife preference is multi-fold. First, these knives are simply affordable. I don't spend $80 dollars on a outdoors sheath knife. I use the tool too hard to want to spend more. I don't like the more traditional stainless steels such as AUS-8, 420HC, and 440C (not to mention the HORRENDOUS 440A) because I feel that the all else being equal, a stainless blade will bend before a carbon blade will break. I also think that carbon holds an edge at least as well, if not better, than traditional stainless, and it's much easier to hone. I don't know much about these new laminates, other than the very hard, but not so tough. They seem to be POSSIBLY too brittle for my use. That, combined with the fact that they cost a FORTUNE, means that I just won't be considering them.
Q:Where do I need hot galvanized steel coils and color coated rolls?
In industrial or coastal areas, due to the influence of sulphur dioxide or salt in the air, the corrosion rate is accelerated and the service life is affected. In the rainy season, the coating has been soaked by rain for a long time, or the temperature is too large and easy to dew. It will be corroded quickly and the service life will be reduced. A building or building made of colored coated steel plates, often with a long service life when washed by rainwater, otherwise affected by sulfur dioxide, gas, salt, and dust. Therefore, in the design, if the roof slope is greater, the more difficult to accumulate dust and other dirt, the longer the service life; for those areas or parts that are not often washed by rain water, should be regularly washed with water.
Q:what is the history of steel and how did they start making it, i need a link or an answer that is five paragraphs long. plus i need examples of subtitles about the history of steel. i am doing this for a science project and hope that someone can help me out.thanks
There's wide history of steel, you can read different tutorials online to know more about it. Check wiki for detailed information.
Q:steel of beam has been rusted ,how can i repair it?
chrome steel is an alloy of iron and different metals, fairly Chromium and vanadium. you do no longer see it with the bare eye yet on the exterior of any chrome steel (SS) there are iron atoms and chromium atoms that are uncovered. in spite of the shown fact that, the chromium reacts preferentially to type an oxide. In essence, think of of chromium sacrificing itself for iron so as that iron won't rust. What a helpful guy huh! it somewhat is reported as passivation purely like maximum responders suggested. in spite of the shown fact that, greater desirable than that the chromium oxide varieties a good shielding layer that varieties a actual barrier combating Oxygen or any oxidant to realize and attack the iron below it. additionally, the chromium oxide shaped isn't FLAKY and porous, so it does not mar maximum of the exterior as an iron oxide (rust) would. For technology project, you won't make it too technical yet you additionally could make a reference or make an ANALOGY of rust prevention to intense college or social circumstances as being there to your pal or classmate yet in real existence, whilst the possibilities are too great, that secure practices afforded via chromium won't be adequate. because of the fact ultimately all steel uncovered to very oxidizing atmospheres will rust. in basic terms somewhat ruin in the exterior is sufficient to initiate the technique of rusting.
Q:How are steel coils transported and stored?
Steel coils are typically transported and stored using specialized equipment and facilities. They are commonly transported by trucks, trains, or ships, secured with steel strapping or wire rope to prevent movement during transit. Once at the storage facility, steel coils are typically stacked in a secure and organized manner, either on the ground or on specially designed racks. The coils may be stored indoors or outdoors, depending on the specific requirements and conditions. To protect the coils from damage and corrosion, appropriate weather protection measures and coatings are applied.
Q:What is the difference between black steel pipes and galvanized steel pipes when used for water or gas, and why?
Black Steel or ductile steel pipes are made from scrap for the most part. Galvanized pipes are made from new raw materials and are electroplated to resist rust.
Q:What is the average lifespan of a steel coil?
The average lifespan of a steel coil can vary depending on several factors. These factors include the quality and type of steel used, the conditions in which the coil is stored or used, and the maintenance and care it receives. Generally, a well-maintained steel coil can last anywhere from 10 to 30 years. However, this is just an estimate and the actual lifespan can be shorter or longer depending on the aforementioned factors. For instance, if the steel coil is exposed to harsh environmental conditions, such as extreme temperatures or corrosive elements, its lifespan may be reduced. Regular maintenance and proper storage can significantly extend the lifespan of a steel coil. This includes ensuring that the coil is stored in a dry and protected environment, regularly inspecting and addressing any signs of corrosion or damage, and conducting routine cleaning and lubrication as needed. Ultimately, the average lifespan of a steel coil is dependent on various factors, and it is best to consult the manufacturer or industry experts for a more accurate estimate based on specific circumstances and conditions.

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