color Rolled Galvalume Steel Coil for Roof
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 30000 m.t./month
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Structure of Color Rolled Galvalume Steel Coil for Roof
Description of Color Rolled Galvalume Steel Coil for Roof
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 Color Rolled Galvalume Steel Coil for Roof
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 Color Rolled Galvalume Steel Coil for Roof
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.
Color Rolled Galvalume Steel Coil for Roof Images
Specifications of Prepainted Aluminum Zinc Rolled Coil for Construction
Chemical Composition | ||||||
GRADE | C | Si | Mn | P | S | Ti |
SGCC/DX51D+Z | ≤0.10 | ≤0.50 | ≤0.60 | ≤0.10 | ≤0.030 | ≤0.020 |
DX52D+Z | ≤0.10 | ≤0.50 | ≤0.60 | ≤0.10 | ≤0.030 | ≤0.020 |
SGCD/DX53D+Z | ≤0.10 | ≤0.30 | ≤0.50 | ≤0.05 | ≤0.030 | ≤0.020 |
SGCE/DX54D+Z | ≤0.10 | ≤0.30 | ≤0.30 | ≤0.03 | ≤0.020 | ≤0.020 |
DX56D+Z | ≤0.10 | ≤0.30 | ≤0.30 | ≤0.03 | ≤0.020 | ≤0.020 |
Structural | ≤0.20 | ≤0.60 | ≤1.70 | ≤0.10 | ≤0.045 | |
Mechanical Properties | ||||||
GRADE | Yield Strength MPa | Tensile Strength MPa | Elongation % | |||
SGCC(DX51D+Z) | ≥205 | ≥270 | - | |||
SGCD(DX53D+Z) | - | ≥270 | 38 | |||
SGCE(DX54D+Z) | - | ≥270 | 40 | |||
DX56D+Z | - | ≥270 | 42 | |||
FAQ of Prepainted Aluminum Zinc Rolled Coil for Construction
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:what is magnetic steel used for and if it can be used for producing kitchenwares utenils like stainless steel basines,mugs and bowls.
- Magnetic steel rusts. That's why kitchenware is often made out of stainless. You can't turn magnetic steel into stainless, sorry. Metalurgy is a complicated subject, and is all about different alloys. It's far too involved to explain in a few paragraphs here, but no, they're not interchangeable in this case unless you want to produce kitchenware that rusts.
- Q:How is steel different than iron?How many different kinds of steel are there?What type is the strongest?Which type is the weakest?
- As first answer says, if you look at the number of commercial steel alloys available and consider that any given alloy can be heat treated to a wide range of physical properties, there are thousands and thousands of potential combinations. Technically, steel is an alloy of Fe and C but there are Fe-C alloys that are called cast irons, not steel, and... there are lots of alloy steels which have significant amounts of other elements added like Cr, Ni, Nb, V, Mo, etc. Fe alloys that have a lot of Cr and or Ni added are called stainless steels and there are dozens of them and many of them can be heat treated to produce a wide range of properties. As far as the strongest or the weakest, you have to get really specific about exactly what you mean because some steels are designed for room temperature properties, some are designed for elevated temperature properties, some for static loads, some for impact loads, some for wear resistance, etc, etc.. Steels make up the largest family of metal alloys (by weight and by volume) that humans use. There are a number of reasons for this but the big reasons include: 1) there is a LOT of iron on earth 2) it is relatively cheap to produce 3) you can easily change the physical properties over a every wide range. As an example... you can take a piece of steel that is so brittle it will shatter if you drop it on the floor and heat treat it so you can bend it like a pretzel without cracking and then heat treat it again to make it very strong and tough (resistant to fracture).
- 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 or forklifts. The coils are carefully lifted and positioned onto the truck or container bed, ensuring proper weight distribution and securing them with straps or chains to prevent any movement during transportation.
- Q:Why people prefer prefabricated buildings these days? Recently my friend has told me that he is going to owe a steel house so I was just thinking are these steel structures really durable and cheaper than concrete structures?
- It really depends upon the environment and the construction techniques used. Steel that is painted or coated will without maintenance eventually rust. I would expect this tendency to be exacerbated in a humid or shore environment. Heat may tend to cook a steel house and the structure does not add much thermal mass. Construction techniques tend to be fairly quick a part of the construction is essentially prefabricated. Work done in a factory will almost always be cheaper than work done in the field, all things being equal. Concrete can be fairly hi tech with lots of equipment or as seen in many parts of the world fairly low tech with lots of laborers. It is easy to change the characteristics of concrete depending upon how it is mixed, reinforced, and treated during the curing process. Because it is applied in a relatively fluid state it can flow around obstructions like bedrock and be formed up into interesting shapes. A concrete structure can be cooler as it provides thermal mass, and a heat sink. It's resulting rigidity may make it more subject to earthquakes than steel. We do really need to be smarter in constructing our homes to make them fit the land and not only the general environment but our particular micro environment.
- Q:What are the common methods of inspecting steel coils for defects?
- The common methods of inspecting steel coils for defects include visual inspection, ultrasonic testing, magnetic particle inspection, and eddy current testing.
- Q:What are the different types of steel coil coatings available?
- There are several different types of steel coil coatings available, including galvanized, galvalume, and organic coatings. Galvanized coatings are made by dipping the steel coil in a bath of molten zinc, providing excellent corrosion resistance. Galvalume coatings, on the other hand, consist of a combination of aluminum and zinc, offering enhanced corrosion protection and heat resistance. Organic coatings, such as polyester, polyvinylidene fluoride (PVDF), and silicone-modified polyester (SMP), are applied to steel coils using a roll coating process, providing a wide range of color and aesthetic options, as well as additional protection against weathering and UV radiation.
- Q:What are the common coil slitting equipment used in the industry?
- The common coil slitting equipment used in the industry includes slitter rewinders, slitter cutters, and slitter knives. These machines are designed to accurately cut and rewind coils of various materials, such as metal, paper, and plastic, into narrower strips or coils of desired widths.
- Q:I know that the steel is significantly harder than when air cooled, but why is the quenched steel harder?
- Quenching results in smaller grains than air cooled. This means more boundaries, which means harder steel.
- Q:How are steel coils inspected for defects after rewinding?
- Steel coils are inspected for defects after rewinding by using various techniques such as visual inspection, ultrasonic testing, magnetic particle inspection, and eddy current testing. These methods help identify surface irregularities, cracks, or other defects that may have occurred during the rewinding process, ensuring the quality and integrity of the steel coils.
- Q:What are the common methods of slitting steel coils?
- There are several common methods of slitting steel coils, each with its own advantages and applications. 1. Rotary Shear Slitting: This method involves using rotary cutting knives to slit the steel coil. The coil is fed through the rotary shear machine, and the knives make simultaneous cuts along the length of the coil. Rotary shear slitting is known for its high-speed operation and ability to handle thicker gauge materials. 2. Loop Slitting: Loop slitting is a method where the steel coil is fed into a looping pit, creating a loop of material. The loop is then pulled through a set of knives that make the slits. This method is commonly used for thin gauge materials and provides precise cuts with minimal burr. 3. Drag Slitting: In drag slitting, the steel coil is fed through a set of driven rolls or drag pads, which help to maintain tension on the material. The coil is then guided through circular knives that make the slits. Drag slitting is suitable for various gauges of steel and offers good accuracy and edge quality. 4. Crush Slitting: Crush slitting involves passing the steel coil through a set of rolls, where one roll is rubber-covered and the other is hard. The rubber roll compresses the material against the hard roll, creating the slits. This method is commonly used for thin gauge or delicate materials as it minimizes the risk of edge damage. 5. Laser Slitting: Laser slitting utilizes a high-powered laser beam to make precise cuts on the steel coil. This method is highly accurate and allows for complex slitting patterns and narrow width cuts. Laser slitting is often used for high-end applications that require superior edge quality. Each of these methods has its own advantages and is chosen based on factors such as material thickness, desired edge quality, production speed, and cost considerations. It is important to carefully select the appropriate slitting method to ensure the desired outcome and efficiency in steel coil processing.
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color Rolled Galvalume Steel Coil for Roof
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 30000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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