• RAL Scale Z40 Prepainted Rolled Steel Coil for Construction Roofing System 1
  • RAL Scale Z40 Prepainted Rolled Steel Coil for Construction Roofing System 2
  • RAL Scale Z40 Prepainted Rolled Steel Coil for Construction Roofing System 3
  • RAL Scale Z40 Prepainted Rolled Steel Coil for Construction Roofing System 4
  • RAL Scale Z40 Prepainted Rolled Steel Coil for Construction Roofing System 5
RAL Scale Z40 Prepainted Rolled Steel Coil for Construction Roofing

RAL Scale Z40 Prepainted Rolled Steel Coil for Construction Roofing

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Loading Port:
Qingdao
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
28000 m.t./month

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Structure of RAL Scale Z40 Prepainted Rolled Steel Coil for Construction Roofing

  RAL Scale Z40 Prepainted Rolled Steel Coil for Construction Roofing

Description of RAL Scale Z40 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. 

Main Feature of RAL Scale Z40 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. 

RAL Scale Z40 Prepainted Rolled Steel Coil for Construction Roofing

Applications of RAL Scale Z40 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; gas tank;road sign; etc.
4.Agriculture:barn; etc.

5.Others:vending machine; game machine; auto parts etc.  

 RAL Scale Z40 Prepainted Rolled Steel Coil for Construction Roofing

 

Specifications of RAL Scale Z40 Prepainted Rolled Steel Coil for Construction Roofing

Product

RAL Scale Z40 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 610MM

Coil weight

25MT max

Export package

Cardboard inner sleeves, Waterproof paper, galvanized steel covered and steel strip packed

 FAQ of RAL Scale Z40 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 color. And we could give more discount if you make big order like 1000 tons and more. Further more, the more appropriate payment term your can  offer the better price we can provide.

2. How long can we receive the product after purchasing?

Usually within thirty working days after received 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.

 

 

Q:How are steel coils protected from chemical damage?
Steel coils are protected from chemical damage through various methods such as applying protective coatings, using corrosion inhibitors, and storing them in controlled environments to minimize exposure to harmful chemicals.
Q:I live in the Black Hills and I need to re-side my cottage. I like the look of vinyl. I've heard pros and cons about both steel and vinyl. Is steel really that easy to dent? It just doesn't look as 'clean' as vinyl. Also what 3 color combos do you like? My cottage has shutters.
I'd like to know why you need to re-side it. I would get vinyl because it will not need painting as soon as steel.
Q:So I'm looking for some decently priced black motorcycle boots that have steel toes (and any additional protection) and look good in jeans. Pretty simple. Any recommendations?
(add boots in top right search) If your looking for a dedicated motorcycle boot they have videos (top of line look for the high $) what they don't tell you is the added road feedback threw the soles and the small wear toe hard shift pad gives you feed back on the shift lever next to bare footed!
Q:How are steel coils inspected for paint adhesion?
Various methods and techniques are utilized to inspect the adhesion of paint on steel coils. One commonly employed method is the tape test, which involves pressing adhesive tape onto the painted surface and swiftly removing it. The amount of paint that is lifted off by the tape is then examined to assess the adhesion. If the paint adheres well to the steel, only a minimal amount of paint will be removed. Another method employed is the crosshatch adhesion test. This test entails making parallel cuts on the painted surface using a sharp blade, creating a crosshatch pattern. A piece of adhesive tape is then applied over the cuts and rapidly pulled off. The evaluation of the paint that is removed from the crosshatched area determines the adhesion. Furthermore, a visual inspection is frequently conducted to evaluate the overall appearance and adhesion of the paint. Inspectors search for any indications of cracking, peeling, or bubbling, which may indicate poor adhesion. They also check for any areas where the paint may have chipped or flaked off. Moreover, various laboratory tests can be conducted to assess the paint adhesion on steel coils. These tests may include techniques like the pull-off test, where a specialized device is used to measure the force required to remove a small section of the paint from the surface. Other tests may involve subjecting the painted surface to extreme temperature or humidity conditions to assess the paint's performance under different environmental factors. In summary, a combination of visual inspections, tape tests, crosshatch adhesion tests, and laboratory tests are employed to thoroughly inspect steel coils for paint adhesion. These tests ensure that the paint adheres effectively to the steel surface, resulting in a durable and long-lasting finish.
Q:I have a steel support beam can you remove one of the poles . the steel beam set on sender blocks on both side of the foundation. I have three steel beams support beam across the basement,I just want to remove one pole, can that be done.
i would say no. it sounds like it is a baring wall. so if you take out one pole it is going to weaken the entire house.
Q:I'm going to see Man Of Steel this weekend, and the reviews that I've been hearing aren't that good. I've been hearing that it's this depressing, dark, dramatic film with no humor, loud noises, and action on top of action (which is kind of what I expected from this movie). With that said, I was quite positive that this was what the fans wanted, a more serious Super Man interpretation. I'm ultimately going to judge the movie when I see it, but for now, I have 3 short questions for you:1) What did you think of Man Of Steel?2) Superman Returns got somewhat better reviews than Man Of Steel. Does it seem logical?3) There is a huge fan battle between Man Of Steel and Christopher Reeve's version of Super Man. Which one do you favor?
I actual have considered the two whilst it first got here out. Superman (1978) is extra infantile. guy of steel is extra intense and cater to adults. guy of steel is plenty extra centred on the conflict between him and his Krypton enemies. there are in easy terms some scenes the place he saved human beings yet they don't seem to be the main important concentration of the action picture.
Q:If rebar steel is welded together as opposed to 'tied' does it decrease the strength of the steel?
The answer is it depends. I am not sure what steel alloy is used for rebar (there are hundreds of different steel alloys available commercially and different degrees of quality within any particular alloy and product form) but I assume it is a plain low carbon steel with a very simple heat treated condition. Welding does NOT increase the strength of steel, at least it does not in almost all cases (there are, of course, exceptions). A welded joint may be stronger than a tied joint but it depends on how the tied joint is tied and it depends on how the welded joint is welded. Crappy welds will not be as strong as well designed and executed tied joints. There are good reasons for different certifications for welders. With very little training and a little eye-hand coordination, anybody can learn to make farmer welds but sophisticated high quality welds in advanced steel alloys takes real skill, knowledge, and experience.
Q:How are steel coils inspected for surface finish?
Steel coils are typically inspected for surface finish using visual inspection techniques and specialized equipment such as surface roughness testers, gloss meters, and profile scanners. These methods help to assess the coil's smoothness, texture, and appearance, ensuring it meets the required surface finish specifications.
Q:Can steel coils be coated with zinc?
Yes, steel coils can be coated with zinc through a process known as galvanization.
Q:I know of the cheaper steel shot for waterfoul hunting, but there is more expensive shot available. Is it worth the money, how much more distance are we talking, and what do you like the best?(brand name)
In my experience with steel shot, I found that the higher quality stuff usually just patterns more consistently. Although I prefer Federal, any of the other major manufactuers are also great.

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