Prepainted Rolled steel Coil for Construction Roofing use

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Loading Port:
Shanghai
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TT OR LC
Min Order Qty:
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 usePrepainted 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

 Prepainted Rolled steel Coil for Construction Roofing use Prepainted Rolled steel Coil for Construction Roofing use

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.

 

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Q:What Atoms are there in Steel?
Steel is an alloy consisting mostly of iron, with a carbon content between 0.2 and 1.7 or 2.04% by weight (C:1000–10,8.67Fe), depending on grade. Steel is Fe(iron) and Carbon alloy. These are the atoms in certain ratio that make up steel. Its not a molecule but alloy.
Q:how carbon is being alloyed during steel making?
It's not really that hard. You can use your charcoal grill to do it. First build a large fire in it and then bury the steel in the coals. It'll only take about ten minuites or so for the steel to heat through. Then pick it out of the coals with tongs and drop it into a bucket of water. Repeat as desired. Eventually it'll get as brittle as glass. To fix this, you must anneal the metal. Again heat the metal in the coals, only this time let it stay there until the coals go all the way out all by themselves. Next day when all the way cool, Take it out and clean it off. Viola!, you have hardened steel.
Q:What are the components of Stainless Steel?
The basic ingredient is from 11%-30% chromium, however in many stainless steels nickel or manganese are important secondary ingredients. There are two basic types of stainless steels: 1)austenitic stainless steels, and 2)ferritic stainless steels. In austenitic SS the important ingredients are Chromium and Nickel. (Chromium and manganese are occasionally use instead of nickel.) It's important to note that many austenitic SS's contain almost no carbon, so by some definitions they are not steel at all but iron/chromium/nickel alloys. the additions of nickel (or manganese) actually changes the crystal structure of the iron, so the properties of these types are quite different from normal carbon steels. Austenitic SS have very good to excellent corrosion resistance, and fairly good heat resistance. In ferritic stainless steels, the important ingredients are chromium and carbon. Ferritic stainless steels have markedly greater strength than austentitic types. However since they contain less chromium than austenitic types they are only moderately corrosion resistant and are much less heat resistant. Without the addition of nickel and/or manganeese adding more than about 20% chromium tends to make the steel brittle. Most stainless steel is melted under an inert argon atmosphere in an airtight furnace. Melting stainless in open air would preferentially oxidize the chromium, forming slag which would float to the surface of the steel, thus reducing the chromium content. Chromium also tends to react with nitrogen in the air at high temperatures, exposure to nitrogen tends to cause brittleness in stainless steels. As long as the manufacturer keeps careful control of the composition of the metal and the level of impurities during melting, stainless is endlessly recyclable.
Q:Silver OR Steel Jewellery.?
Things about steel~ Basically indestructable Should be non magnetic It shines Why not get it
Q:AR-15 rounds - steel vs. brass?
Steel is a far more common thus cheaper metal than brass which is made of copper and zinc. The steel case stays in the firing chamber so does not do a thing to the barrel. It does have a different coefficient of expansion and when the gun gets hot it could jam in the chamber more than brass. Some of the steel has a lacquer coating on it that could gum up the works. The biggest disadvantage with steel is that as it is worked it gets weaker so reloading it is not real practical as you will get a lot of blown cases and head separations. In the long run you come out ahead buying brass and reloading than you do buying steel and throwing it away.
Q:How did the growth of the steel industry influence the development of other industries?
At least three ways: 1. Steel as a material that other industries could use to do things that couldn't be done before (for example, construction (skyscrapers, long bridges, etc.)) or could now be done at much lower cost and hence increased the size of the industry (automobiles, bearings, etc.)
Q:Is blue steel stronger than stainless steel? i heard it is.?
yes okorder.com
Q:Will lava melt steel?
some lava is hot enough to melt steel. Mostly, though, the metal would react with the lava and get eaten up that way rather than directly melting. Most lava can contain an awful lot of iron and other metals without any difficulty and are rarely saturated with those metals.
Q:What is the Shear Modulus of Steel and Silver?
There are more than 10,000 different steel alloys that have been specified and used for different purposes. They cover a huge range of mechanical properties. For silver, are you talking about pure silver, or a silver alloy with a additives to improve its mechanical properties? Typical values for mild steel at room temperature are E = 210 GPa, G = 80 GPa (source: 30 years working as a mech. engineer) Wikipedia gives E = 80GPa, G = 30GPa for pure silver (temperature not specified). Silver alloys may be very different from those values. The properties will also depend on the metal forming process (e.g. drawn wire, annealed, etc). NB some alloys with silver in their common name contain no silver at all.
Q:Why was molton steel found at ground zero?
WTC 7 was not built with a central core like the two big towers were, which allowed it to come down a lot easier than the other two. And the planes didn't have to melt the steel structure holding up the buildings, all they had to do was weaken these structures to where they could no longer hold the weight. RE: Ok fine, since this is what you claim, where are the actual proven facts for this molten steel? Because I have noticed you have no link to a legitimate source available. Still no links to anything legitimate. And 2 thumbs down? Wow, I must be special.

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