Al-Zinc Coated steel coil for construction roof

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Shanghai
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TT OR LC
Min Order Qty:
25 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 coil for construction roof

Description of Aluminum Zinc Rolled Coil
The detailed information for the Al-Zinc coated steel coil is as following and it is mainly using for roofing producing, making ceiling grid and all kinds of roll forming structure.
Thickness: 0.20mm to 1.20mm
Width: 914mm, 1000mm, 1200mm, 1219mm and 1250mm, or slit narrow strip according to customer request, can be slit from 20mm to 610mm.
Coil ID: 508mm
Coil weight: 3 tons to 6 tons
Thickness tolerance: +/- 0.02mm or according to customer request.

 

 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.  

 

 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:UNITED STATES STEEL OR GE?
I would go with some in one and less in the other. Given that steel prices have collapsed (and seeing as the Chinese economy is going into a recession, they will probably stay low for a while) I would say that because US Steel is a blue chip company it will be around for the long term, but, it won't make much for a while. GE on the other hand has been beaten down thanks to some mismanagement issues under current CEO Jeffrey Immelt, however, they have a range of strong products (save for their broadcast division, RCA/NBC). Given that the stock is at a severe low with the company itself being worth quite a bit (with a fair amount of bailout funds coming to its' financial division) and the Obama administrations' green initiatives coming online over the next couple of years the demand for their products will be high. I would simply say 70/20 GE/US. Good luck.
Q:is steel is natural content of earth.?
If you are using either an NAB or RSV translation of the Bible, steel is only mentioned once in the Bible. Compare Nahum 2:4 (NAB) and Sirach 31:26 (RSV). There is no reference of an outer space in the Bible. Furnace is mentioned in Sirach. It takes a lot of energy to mix Iron and Carbon to produce steel. The alloy can only be produced in the furnace at an extremely high temperature.
Q:opinions on steel vs synthetic cable?
If okorder.com
Q:I am getting a benchmade mpr (m390 steel) and am unsure if it is a good knife look at the chart below?
From what I read M390 is relatively wear resistant, with very high stain resistance and good toughness. It is quite hard to qualify steel as better than other steel because it depends on many factors. E.g. for a small folder designed for delicate cutting D2 at high hardness would perform better, but if the environment is corrosive, like saltwater then M390 would be better. I'm not so sure about using stainless steels in large chopping style knives, but I've seen M390 used for them as well. Obviously hardness had to be lowered, which reduces edge holding ability, especially at low angles. Overall, it's a good steel, but if it will outperform S30V or D2 or 154Cm depends on heat treatment and blade geometry, knife designed use, etc.
Q:where is cold formed steel framing used?
It will vary from location to location. A possible way of telling is how the material is joined. If the material is riveted together it is likely cold rolled. If the material is welded then its probably normalized steel (possibly annealed but less likely). Cold rolling increases the yield strength of the material so less of it is needed. However, it also make the material more brittle. Welding creates defects in the region surrounding the weld and these are more likely to grow and cause failure in a cold rolled steel than a normalised or annealed steels. In addition the heat from the welding will change the microstructure that was deliberately introduced by the cold rolling process resulting in a localised drop in yield strength. Normalised and annealed steels are more ductile and tougher than Cold rolled steel but they have a lower yield strength. Because they are tough and ductile they are less sensitive to crakcs and defects so welding won't lead to as big a reduction in strength. Another possible consideration is the environment they are used in. Steels exhibit a transition temperature (actually more like a range) where they go from behaving like a ductile material to a brittle material. A well known example of what this can cause are the Liberty ships in WW2 (Supply vessels from the US to the UK). These were made by welding together sheets of cold rolled steel to form one continuous Hull. Unfortuantely the transiton temperature of the steel taht was sued was around 4 degrees while the Baltic Ocean is about 0 degrees. As a result small cracks would grow and then when the reached a critical size they would tear through the ship at the speed of sound in the metal (1500m/s) and these massive cargo ships would literally snap like twigs. So, if the steel is being used somewhere really cold its unlikely to be Cold rolled too.
Q:i have guestion a bout steel?
Hello, okorder.com Hoping this can help you. :-)
Q:Does steel have a valence?
Steel is a mixture, so it doesn't have any valence number. On the other hand, all of the components of the steel mixture are in their elemental forms, so all the various valences are zero.
Q:What company sells strong steel doors for homes?
Actually, the best doors are fiberglass. Steel doors are not solid steel. The steel is a skin, over framing and insulation. The cheaper doors have thinner steel skins.. That is why they get dented. Go to a real lumber yard. Home Depot and Lowes specialize in low price, not high quality. I use a brand, called Thermatru, that is available in New England. I am sure there are comparable brands. I don't care for Stanley. Stanley makes hammers. They bought a door factory and stick their name on the doors. Good luck.
Q:Finding Steel for hobby welding?
They will sell any quantity of metal and even cut it to size - my experience has been that their prices are not wildly out of line for single pieces of full length stock compared to buying singles where you have to buy a minimum. They also may have sizes that ordinary places consider odd. I was looking for 5/8 square 16 gauge and was told it would have to be shipped in from Houston (to Dallas) by my nearest supplier and found it in stock at MetalSM. But check if you get something odd - the 5/8 cost more than 3/4 at both places and MetalSM actually gave me 3/4 but took it back even though I had cut it. Also check the regular steel suppliers in your area as well as retail welders metal supply places.
Q:desnity of steel?
First you have to convert the coefficient of linear expansion to a coefficient of volumetric expansion. Multiply the coefficient of linear expansion by 3: Coefficient of expansion of steel,β:12E-6/°K x 3 = 36E-6/°K Difference in temperature: 480°K ΔV = VoβΔT ΔV = Vo x (0.000036) x 480 ΔV = 1m³ x 0.017 ΔV = 0.017m³ Originally, the steel was at 7800 kg/m³ Now, the steel was at 7800 kg/ 1.017m³, or 7670 kg/m³ Change in density = 7670 - 7800 = -130kg/m³

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