Prepainted Rolled Coil for Construction Roof
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 25 m.t./month
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Structure of 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.
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.
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: What is the role of steel coils in HVAC systems?
- Steel coils are an essential component in HVAC systems as they act as heat exchangers, allowing for efficient transfer of heat between the refrigerant and the surrounding air. They help to cool or heat the air as it passes through the system, contributing to the overall temperature control and comfort in indoor spaces.
- Q: hello friends, I have some old 7.62x54r on stripper clips its nasty gunk on it can i use steel wool to glean it and still have it fire safely?
- * Yes, but I use both fine steel wool and Liquid Brasso Metal Polish on mine.* You can buy it at any Hardware and I believe Walmart carries it.* Great stuff.*
- Q: how much pressure can steel withstand? and how much pressure can concrete withstand? per m3 or cm3? thanks
- About all I remember is concrete can stand tremendous compression but almost no stretch .
- Q: (I'm not sure if steel is in fact a mineral)But I want to know if .. Last say topaz is stronger/harder then steel
- Well!! Steel is NOT a Mineral. It is an alloy!! A Mineral is a naturally occurring substance. An alloy is a mixture or metallic solid solution composed of two or more elements which is made artificially!! Also we cannot compare minerals and non minerals using strength. The only way to compare is by Hardness.. ON hardness Scale, Quartz, Topaz, Diamond, etc are HARDER than Steel
- Q: I also heard Stainless holds up better againts rust, blue steel needs more care.
- They have different properties. Bluing on steel is a surface treatment that helps inhibit rust, but doesn't prevent it. It will wear off with use over time, but can be redone. Stainless steel refers to a particular type of steel alloy, usually incorporating nickel and chromium, that is highly resistant to rust on its own, so doesn't need a surface treatment. Because the steel itself is what is rust resistant, that property can't wear off. All other things held equal, the carbon steel that bluing is typically applied to tends to be slightly more rigid and brittle than stainless steel. It may hold an edge better than stainless. In most applications, those differences are small enough not to matter for practical purposes. For example, both knives and guns are made with blued steel and stainless steel. Which a person gets is usually a matter of preference (unless you're, say, a professional restaurant chef whose knives have to hold a fine edge through constant hard use).
- Q: What are the common methods of painting or coating steel coils?
- Coil coating is a commonly used technique for painting or coating steel coils. It involves cleaning and pre-treating the coils to remove contaminants and enhance adhesion. Next, a primer or base coat is applied to establish a solid foundation. This primer safeguards the steel against corrosion and enhances the overall durability of the coating. Once the primer is applied, the steel coils undergo a series of rollers to apply the topcoat. The topcoat can consist of various materials such as polyester, polyurethane, or fluoropolymer, depending on the desired properties of the final coating. These topcoats provide the desired color, gloss, and protection against weathering, chemical exposure, and UV radiation. Electrostatic spraying is another popular method for painting or coating steel coils. It involves atomizing the paint or coating material into fine droplets and charging them with electricity. The grounded steel coils attract these charged droplets, resulting in a controlled and even application of the paint or coating material. Powder coating is yet another technique utilized for painting or coating steel coils. It involves electrostatically charging a dry powder and spraying it onto the steel coils. The charged powder adheres to the steel surface due to electrostatic attraction. The coated steel coils are then heated, causing the powder to melt and form a continuous film, resulting in a durable and resistant coating. In conclusion, these methods provide a wide range of options in terms of color, finish, and performance characteristics for painting or coating steel coils. The choice of method depends on factors such as desired appearance, level of protection required, and specific application requirements.
- Q: What could the impurities in steel wool be?And why are they there?Thanks for your help :)
- Impurities in steel wool would be of the elemental type. I'm sure steel wool is a mixture of different low grade not good for much of anything else materials. There may be excessive impurities such as lead, cobalt, boron, aluminum etc... in the steel wool. There may also be solvent residue on the wool i.e cleaner, lubricant etc.. I'm sure every batch is different - I know the iron level is high thats what makes them rust quickly.
- Q: What are the common coil packaging methods?
- Common coil packaging methods include shrink wrapping, strapping, banding, and stretch wrapping. Shrink wrapping involves using a heat shrink film to tightly encase the coil, while strapping and banding utilize metal or plastic bands to secure the coil in place. Stretch wrapping involves wrapping the coil with a stretchable film to provide stability and protection. These methods are commonly used in industries such as steel, wire, and cable manufacturing.
- Q: So I want to get my 3+ wood shafted with a dynamic gold shaft because i need a stiffer shaft but dont want to spend much on it.I've never swung a steel shafted wood, but I hear that it is more consistent that graphite....Plus, since the cost of steel is only $15 compared to the $65 graphite, not to mention installation charges.So yeah...... How good is steel for fairway woods?BTW, my swing speed is about 95 but i can amp it up to 110 (with control, that is)
- 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: I am building a robot for Bots IQ. In doing so i have the option of building the the armor of my robot out of titanium or tool steel.. which would be the better option.Brief description of Bots IQ: It is a competition where 2 15lb robots go and attack each other with spinning blades, hammers or whatever is designed.
- I would have to say titanium , but in doing so I am having to assume you have access to some very serious machinery.This is because Ti is extremely difficult to work and also work hardens, which could lead to cracking and failure.The other problem is that Ti is also very hard to weld .It seems tool steel is the choice for ease of working and weldability, so unless you can buy the bits you need precut or made then I'd say tool steel,preferably something along the lines of ramax.Your other option is spring steel as this is workable and gets hardened after shaping.
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Prepainted Rolled Coil for Construction Roof
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 25 m.t./month
OKorder Service Pledge
OKorder Financial Service
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