Prepainted rolled Steel Coil For Construction Roofing Constrution

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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 Constrution

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 Constrution

Prepainted rolled Steel Coil For Construction Roofing Constrution

Prepainted rolled Steel Coil For Construction Roofing Constrution

 

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 Constrution

 

  Prepainted rolled Steel Coil For Construction Roofing Constrution

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 coating can be used on steel so it wouldn't rust when exposed to sea water?
Galvinized means steel with a zinc coating. It is the best. For boats at port, and other fixed objects this can be supplimented with cathodic protection, an electrical method that substitutes corrosion of a sacrificial anode for the rusting of the steel. Epoxy and other coatings tend to be very temporary as they wear and scratch with use and lose all effectiveness if they cannot exclude seawater from contacting the bare metal. Zinc responds to abuse and can 'heal' over minor dings. The zinc is refreshed by periodic painting with a high zinc content paint or by electroplating.
Q:why use steel-reinforced concrete?
As a composite material, reinforced concrete can be an economical alternative to structural steel in building, bridge and other superstructures. Reinforced concrete can be formed into almost any shape in the field. The bulk of reinforced concrete material - the aggregates - can often be produced local to a project, reducing manufacturing cost. Reinforced concrete weight can be a benefit, resisting loads that cause displacement, uplift and overturning.
Q:how to tell if its really stainless steel?
Mel: okorder.com/
Q:AR-15 rounds - steel vs. brass?
I guess you dont get out much or read the news. Brass - is mostly copper. And ever since the earthquake that decimated the west coast of South America 3 or 4 years ago and crippled the biggest copper producing area in the world - anythng made with copper - wire, buss bars, brass items etc, the cost has gone up 5x and not really gone back to what they were. The steel - is in the case, not the bullet. So, your worries about ruining the barrel are unfounded. The only drawback to steel case ammo - they are coated with a lacquor to prevent rust - is when you go burn off 3 or more mags in quick secession and then leave a live one in the chamber. The quick firing will heat up the barrel - enough to melt the lacquor. Leave a live round in it - it wont come out without firing. Onced this happens - excellent chance all the next rounds will jam until you clean the chamber with mineral spirits or other solvent and a brass brush. Like all things in life - when you use the generic product in 'moderation' things work ok. The only time you will be unhappy to have bought steel case ammo - is when you decide to reload. You cant handload steel - only brass does this. And smart people who are preppers and do not reload but rely on a 5.56mm rifle for protection - save thier brass. Because some day their might be an ammo shortage - I know, it's a stretch and will never happen - and having that reloadable brass means they can make more. You put 2 or 3 pounds of 4198 powder and one brick of small rifle primers in a cool dry place - this would be an even smarter thing. And a 1K box or two of Armscor 62gr fmj with the brass gives you an A in my book for being prepared. Much easier to store a few cans of powder than several thouand rounds of ammo. Toss that brass and projectiles in the garage or under the house.
Q:question on fatigue testing of steels?
because metals, like steel, are ductile and will stretch before breaking. Straining the metal is stretching it, stressing the metal is applying a shearing force or bending until there is an actual metal failure. A sheet metal strap 1inch across and 24 gauge metal is commonly used to support metal ducting systems in construction. These have an average strain to failure weight load as high as 16,200 lbs. As reported by the smacna index, they will safely hold 6800 pounds. Of more interest is the screws used to hold the strap to the duct. While they are grade 3, fairly strong, they strain to 1400 pounds when properly installed, and are safely able to support 650 pounds, unless they are overtorqued (stripped) and this quickly drops to 400 pounds and 125 pounds...big difference.
Q:Does Pittsburgh steelers have something to do with steel?
Yes, short and simple
Q:What's the difference between stainless steel and surgical steel...?
Stainless steel is steel with lots of carbon in it. The amount of carbon gives it a so called grade. Marine grade, surgical grade etc.
Q:how do you rate the hardness of steel?
Find your portable hardness testers from our latest collections thats for sure having the ability to test hardness of metal alloys and plastic by applying some amount of pressure on it. All our evaluators can evaluate in Brinell, Rockwell and Vickers machines.
Q:8cr13mov steel thoughts?
8Cr13MoV is a decent blade steel...not a great steel, but about as good as you will generally find without paying much higher prices. It's used by a number of well known knife makers... It's basically equivalent to AUS-8 and will work and hold an edge reasonably well for most basic cutting chores. *************************************** From Wikipedia, the free encyclopedia: 8Cr13MoV, a Chinese stainless steel tempered at the Rc56 to Rc58 range and used in the Tenacious, Persistence, Ambitious, Resilience, Grasshopper, Kiwi3 and Byrd lines of knives. Often compared to AUS-8, but with slightly more Carbon.
Q:what is best cookware? stainless steel or iron?
Some utensils are both cookware and bakeware. The choice of material for cookware and bakeware items has a significant effect on the item's performance , particularly in terms of thermal conductivity and how much food sticks to the item when in use. Some choices of material also require special pre-preparation of the surface - known as seasoning - before they are used for food preparation. Stainless steel cookware is a great choice for safe cooking. Many kinds of cookware react with the foods, either changing the taste of the food or even releasing harmful materials into the food that can cause imbalances or diseases. Many non-stick coatings like teflon are safe - but once they get scratched or overheated they can start to leak chemicals in the food that are according to some scientific studies dangerous and possibly carcinogenic. Both the cooking pot and lid handles can be made of the same material, but will mean that when picking up or touching either of these parts oven gloves will need to be worn. In order to avoid this, handles can be made of non heat conducting materials, for example bakelite, plastic or wood. It is best to avoid hollow handles because they are difficult to clean or to dry.

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