Prepainted Rolled steel coil for Construction Roofing use
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- 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
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.
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.
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.
- Q: How do the sandpaper grits compare with different coarse levels of steel wool? For example, I'm finishing a homemade entertainment center, and using a tinted polyurethane, and it says to use 000 grade steel wool, but mine is #3, could I use some sanpaper instead, and what grit?
- 150 grit is standard for final sanding for poly. You could use 220 if you finish with something thinner like lacquer of if that's all you have. Even finer would work but not do much sanding.
- Q: I went to the store to get metal to make a knife and they had weldable steel and plate steel. Which one would be best/ which steels would be best for what i want to do?
- 'Plate' does not refer to a specific alloy. It simply describes the shape in which the metal is sold. Various steel alloys have varying degrees of weldability. Some weld well, with good strength. Others weld poorly, and crack or become very weak. Try looking up information on the specific alloy of steel.
- Q: How are steel coils loaded onto trucks or containers?
- Steel coils are typically loaded onto trucks or containers using specialized equipment such as cranes, forklifts, or coil trailers. The coils are lifted and secured onto the truck or container using straps, chains, or clamps to ensure safe transportation.
- Q: How are steel coils inspected for quality control?
- Steel coils are inspected for quality control through a series of rigorous tests and inspections. This typically involves visual checks for any surface defects, such as scratches or dents, as well as measurements of dimensions, weight, and thickness. Additionally, non-destructive testing techniques like ultrasonic or magnetic particle testing may be conducted to detect internal flaws or inconsistencies in the steel. These comprehensive inspections ensure that only high-quality steel coils are approved for use.
- Q: What are the different methods of galvanizing steel coils?
- There are primarily three methods of galvanizing steel coils: hot-dip galvanizing, electrogalvanizing, and continuous galvanizing. Hot-dip galvanizing involves immersing the steel coils in a bath of molten zinc, which forms a protective coating. Electrogalvanizing uses an electric current to deposit a layer of zinc onto the steel surface. Continuous galvanizing is a process where the steel coil is continuously passed through a bath of molten zinc to achieve galvanization. These methods provide varying levels of protection against corrosion and are used in different applications based on specific requirements.
- Q: How are steel coils inspected for color consistency?
- Steel coils are inspected for color consistency through visual inspection by trained personnel. They compare the color of the coils against a color standard to ensure uniformity and consistency across the entire batch.
- Q: bullets are normally made out of lead...are there bullets that are completely steel?? (not plated)
- They will both knock it over, but it depends on how the bullets hit the block. If the steel bullet hits the block at any kind of an angle, it will knock it over because it will enter the block cross grain. If it hits it straight on, it will not have as much resistance as it goes with the grain of the wood. The rubber bullet will have more resistance because it does not pierce the block. The force from the rubber bullet would be the same no matter what angle it comes from.
- Q: tinplate,hot rolled coil,hot rolled sheet,cold rolled coil,cold rolled sheet,d bar,wire rod,triangle,structural steel,steel pipe,steel tube,carbon steel pipe
- Here are the top 30 steel producing companies in the world, listed by the megaton output: 1. 63.0 Mton Mittal Steel Company NV (Global) [2] 2. 46.7 Mton Arcelor (Europe) [3] 3. 32.0 Mton Nippon Steel (Japan) [4] 4. 30.5 Mton POSCO (South Korea) [5] 5. 29.9 Mton JFE (Japan) [6] 6. 23.8 Mton Shanghai Baosteel Group Corporation (China) 7. 19.3 Mton United States Steel Corporation (United States) 8. 18.4 Mton Nucor Corporation (United States) 9. 18.2 Mton Corus Group (Europe) [7] 10. 17.5 Mton Riva Group (Europe) [8] 11. 16.5 Mton ThyssenKrupp (Europe) [9] 12. 16.1 Mton Tangshan (China) 13. 13.9 Mton EvrazHolding (Russia) 14. 13.7 Mton Gerdau (Brazil) 15. 13.6 Mton Severstal (Russia) 16. 13.5 Mton Sumitomo Metal Industries (Japan) 17. 13.4 Mton SAIL (India) 18. 12.0 Mton Wuhan Iron and Steel (China) 19. 11.9 Mton Anshan (China) 20. 11.4 Mton Magnitogorsk (Russia) 21. 10.5 Mton Jiangsu Shagang (China) 22. 10.5 Mton Shougang (China) 23. 10.4 Mton Jinan (China) 24. 10.3 Mton Laiwu (China) 25. 10.3 Mton China Steel (Taiwan) [10] 26. 9.6 Mton Maanshan 27. 9.4 Mton Imidro 28. 8.7 Mton Techint 29. 8.7 Mton Usiminas (Brazil) 30. 8.5 Mton Novolipetsk (Russia)
- Q: What website can I use to find a good picture that shows the atomic structure of a carbon steel?
- This Site Might Help You. RE: Where can I find an atomic structure of carbon steel? What website can I use to find a good picture that shows the atomic structure of a carbon steel?
- Q: steel of beam has been rusted ,how can i repair it?
- chrome steel is an alloy of iron and different metals, fairly Chromium and vanadium. you do no longer see it with the bare eye yet on the exterior of any chrome steel (SS) there are iron atoms and chromium atoms that are uncovered. in spite of the shown fact that, the chromium reacts preferentially to type an oxide. In essence, think of of chromium sacrificing itself for iron so as that iron won't rust. What a helpful guy huh! it somewhat is reported as passivation purely like maximum responders suggested. in spite of the shown fact that, greater desirable than that the chromium oxide varieties a good shielding layer that varieties a actual barrier combating Oxygen or any oxidant to realize and attack the iron below it. additionally, the chromium oxide shaped isn't FLAKY and porous, so it does not mar maximum of the exterior as an iron oxide (rust) would. For technology project, you won't make it too technical yet you additionally could make a reference or make an ANALOGY of rust prevention to intense college or social circumstances as being there to your pal or classmate yet in real existence, whilst the possibilities are too great, that secure practices afforded via chromium won't be adequate. because of the fact ultimately all steel uncovered to very oxidizing atmospheres will rust. in basic terms somewhat ruin in the exterior is sufficient to initiate the technique of rusting.
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Prepainted Rolled steel coil for Construction Roofing use
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 30000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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