Al-Zinc Coated Steel Rolled coil for steel Roofing

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Structure of Al-Zinc coated steel coil

  Al-Zinc Coated Steel Rolled coil for steel Roofing

Description of Aluminum Zinc Rolled Coil
Aluminum zinc coils 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 Al-Zinc coated steel coil

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 Al-Zinc coated steel coil
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.  

 Al-Zinc Coated Steel Rolled coil for steel Roofing

 Specifications of Al-Zinc coated steel coil 

Prepainted galvanized steel coil ( PPGI )

 Prepainted galvalume steel coil ( PPGL )


  JIS G3312 CGCC
  ASTM A755M

AS 1397 G2+AZ

Valid thickness 

  0. 16 ~1. 2 0mm

  0. 16 ~1. 2 0mm

Coil width



Coil ID

  508mm & 610mm

  508mm & 610mm

Coil weight

  3~5 tons

  3~5 tons


   4 0~275 g/m2

   AZ30 to AZ150

Paint  t hickness ,  top  side  

  15~25 microns

  15~25 microns

P aint  t hickness ,  reverse

  5~7 microns  or  15~25 microns

  5~7 microns  or  15~25 microns


  any RAL code

  any RAL code


  vertical, eye to sky & horizontal

  vertical, eye to sky & horizontal


  25 tons

  25 tons


FAQ of Al-Zinc coated steel coil

We have organized several common questions for our clientsmay 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 systemevery link from raw material to final product we have strict quality testWe 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 is the difference between cold rolled strip and cold rolled steel coil?
A simple point is the difference between a strip and a volume. Strip is the flat strip of cold rolling, which is further processed on the basis of flat strip and rolled into thinner and can be rolled up,
Q:On how to reinforce steel coils in a container
They can be strapped to the floor with wire ropes and locks
Q:How much is 18k steel and gold worth?
Steel does not come in an 18k version and is worth only about $1.50/pound. 18k gold (.750 or 75% pure) is currently worth about $40.20/gram, based on the spot price of gold of $1,667/ounce at this moment.
Q:What kind of company sells steel?
If you are talking about raw steel materials and products I believe you are talking about a steel processor and warehouse company or a steel distributor. There are many different points along the steel manufacturing process that you could buy steel products. It would depend on various factors. Depending the amount, type, grade, gauge, properties, origin and a host of other elements you could purchase the steel in billet, plate, diamond plate, rolled sheet (cold or hot), coil, beam, stamped, pickled, scrapped, etc. You get the idea. Now I don't know where you are in the world, but you can go to one of the two sites below, which I have used for product sourcing and research before. The last one is a major manufacturer that I have actually been to. I hope this helps.
Q:What is the accuracy of steel tape inspection
In addition, the project is through the detection of steel tape, steel tape each batch have the error him different, so do projects each into a batch of steel tape has to go through the inspection department, let this batch of steel tape has reached the same error range. All the measuring tools in this project are unified into these steel tape measures, so that the measurement error is guaranteed
Q:Vegan ANSI Steel Toes?
This Site Might Help You. RE: Vegan ANSI Steel Toes? I have a job where I'm required to wear ANSI certified steel toed boots or shoes(so long as its ANSI). Thing is, I'm a vegan. I do NOT want to buy leather, and I will go to great lengths to buy a non leather shoe/boot I can wear on the job! I AM currently borrowing my dad's leather ANSI...
Q:Good steel toe motorcycle boots?
You don't need steel toes in a motorcycle. The top of the foot isn't where the danger comes from when injured in a motorcycle accident. Where you need the most protection is in the ankle and heel. The ankle twists and the heel and calf bang on the ground. You need some protection at the toes, but that is from the road impacting the toes and grinding against the boots as you slide. Any boots made for motorcyclists will do. Stay away from steel toed work boots - they are designed for a job site, not a motorcycle crash.
Q:Is Damascus Steel Fake?
damascus steel it says is made from ore containing either tungsten or vanadium, although most tools I've seen are made from chrome vanadium, it wouldn't be hard in this day and age to get the proper material. Although it DOES say in wikipedia that apparently the technique died out a long time ago due to shortage of the ore. Then it talks about reproduction attempts. So theoretically, yes, it could be the deal deal. But it does refer at the bottom about damascend steel which is made with a different technique, you could be buying one of those. NEXT TIME JUST LOOK UP THE ARTICLE YOURSELF AND READ IT
Q:melting point of 1008 steel?
1. 2. Input (melting point 1008 steel) as the search string 3. Check the links; the third one showed the answer in an MSDS
Q:i have guestion a bout steel?
Stainless Steels are alloys that are made up of iron and generally contain around 11.5% chromium. For obtaining special properties, nickel, carbon, chromium, and other elements can be added to it. There are four types of Steel : Carbon Steel Alloy Steel Stainless Steel Tool Steel From kitchen utensils to cutlery, sinks to machine drums, as well as microwave oven liners mainly, use Stainless Steel. One can find different types of products such as Stainless Steel Tube Fittings, Pipe Fittings, Flanges, pipes, Tubes, Fasteners, Sheets, Rods, Bars and so forth are used in different industries. List of typical applications of these Stainless Steel products include: Oil and gas equipments Offshore technology Seawater desalination plants Chemical industry Bridges Storage tanks Medical Industry Civil Engineering Pressure vessels, reactor tanks, and heat exchangers Rotors, impellers and shafts Power plants Petrochemical Shipbuilding industry

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