Al-Zinc Coated Steel Rolled coil for steel Roofing

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
50 m.t.
Supply Capability:
30000 m.t./month

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Product Description:

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 )


Standard

  JIS G3312 CGCC
  ASTM A755M
  EN10169

J IS G3322 CGLCC
AS 1397 G2+AZ

Valid thickness 

  0. 16 ~1. 2 0mm

  0. 16 ~1. 2 0mm

Coil width

  600~1250mm

  600~1250mm

Coil ID

  508mm & 610mm

  508mm & 610mm

Coil weight

  3~5 tons

  3~5 tons

Coating

   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

Color

  any RAL code

  any RAL code

Package

  vertical, eye to sky & horizontal

  vertical, eye to sky & horizontal

MOQ

  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:Aluminum alloy rolling doors and color steel shutter door that good
Among them, aluminum alloy rolling doors and ordinary rolling doors, both from the appearance, environmental protection or safety, have considerable advantages. Aluminum Alloy doors can be sprayed on the surface of various colors and patterns, but also with the concavity of the wood, sand grain coated, highlight the noble temperament, improve grades, if it is used in shops, you can let your talent shows itself in many shops in the.
Q:Why is the steel tape tape head not fixed?
In this way, no matter how you measure, always be measured, from the ruler of the "0" bit began.The fixed ruler does not take this action when it is taken, which directly results in the thickness of the steel sheet that needs to be added or lowered to your readings;Activity design is designed to reduce error, and this is an advanced approach;
Q:How to solve steel plate storage
According to the principle of "first in first out" to carry out the turnover, organize the logistics, reduce the large amount of moving plate, reasonable arrangement, easy to steel coil into the use of state.
Q:The difference between aluminized color steel roll and ordinary color steel roll
Substrate selection: AZ150 (aluminum zinc content 150g/m2); G345A high strength galvanized steel sheet (55% aluminum, 43% zinc and 1.6% silicon) corrosion resistance data: 5%NaCL 35 DEG C, 1000Hrs, Field good, Scribe, No, Blister, 2mm belowQ.U.V: 2000hrs, MAX.2 color, light to keep the rate above 90%, the above data show that aluminum zinc coated board (AZ150, G345A, PVDF) is very suitable for the extreme environment of buildings or other facilities, highly corrosion resistance and weather resistance, and the major steel plate can ensure the service life of 20 years. In addition, high strength steel has been widely used abroad, and it has good economic performance, and it is also the domestic development trend.
Q:Cold rolled steel coil steel, what is the difference?
From the last finishing mill stand out of the hot strip laminar cooling through to the set temperature, the coiling machine rolled strip steel roll cooled, according to the different needs of users with different finishing line (flat, straightening, transverse or longitudinal, inspection, weighing, packing and marking etc.) processing and become steel, flat steel product volume and slitting, its strength is not very high, but the ductility and weldability is good, the appearance of color is not bright, easy to corrosion, because the price is cheap, the majority of enterprises in order to reduce the cost, so the more commonly used.
Q:Why can hot rolled coils be placed outside?
Because the stress of participation should be eliminated
Q:Can cold rolled galvanized steel coils be acid washed after oxidation?
If it has been galvanized, it can not be pickled, and if it is pickled, it may corrode the zinc layer
Q:Where are the coils and the steel plates used? Where did the steel plate come from?
The use of steel coils, refrigerators, washing machines, household appliances, and other industries, parcels are winding.Steel plates can also be found everywhere: airplanes, guns, trains, ships, space shuttles, spaceships, automobiles, etc..Steel plate through mining - sintering - iron smelting - smelting - forming.
Q:Where do I need hot galvanized steel coils and color coated rolls?
Hot galvanized steel coils and color coated rolls have light, beautiful and good corrosion resistance, and can be directly machinedThe construction industry, shipbuilding, vehicle manufacturing, furniture and electrical industries provide a new type of raw materialThe utility model has the advantages of steel replacing wood, efficient construction, energy saving, pollution prevention and the like.
Q:Is a steel plate the same as a steel coil?
Generally speaking, they can be used interchangeably, and the purchase price of the plate is slightly cheaper.

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