RAL Scale Z30 Prepainted Rolled Steel Coil for Construction Roofing

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

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Structure of RAL Scale Z30 Prepainted Rolled Steel Coil for Construction Roofing

  RAL Scale Z30 Prepainted Rolled Steel Coil for Construction Roofing

Description of RAL Scale Z65 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 Z30 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 Z30 Prepainted Rolled Steel Coil for Construction Roofing

Applications of RAL Scale Z30 Prepainted Rolled Steel Coil for Construction Roofing                                           PPGI is featured with light- good looking and anticorrosion. It can be processed directly, mainly used for construction industry, home electronic apparatus industry, electronic apparatus industry, furniture industry and transportation.It is ideal for a wide range of applications,, such as pre-engineered buildings, architectural panels, roofing, siding, cladding, and many other building components.and also used back plate of appliance; wide range of construction, furniture industry, transportation industry, etc.

 RAL Scale Z30 Prepainted Rolled Steel Coil for Construction RoofingSpecifications of RAL Scale Z30 Prepainted Rolled Steel Coil for Construction Roofing

Product

RAL Scale Z30 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 Z30 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. What is your package of the products?

Package: Sea worthy Export Packing  Standard export and seaworthy packing. (waterproof paper and metal sheet protection with fluted rings at inner and outer edges, 4 eye bands and 4 circumferential bands fasten the coil)

 

 

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Q:What's the difference between hot rolled coil and hot-rolled carbon thin steel coil?
The difference between hot rolled primary and hot-rolled carbon thin steel coils is that they include carbon steel rolls and low alloy steel coils.
Q:Steel coil from vertical to horizontal, what sling needs?
The sling has little effect, but it is easy to damage the surface of rolled steel.
Q:What is the material of steel coil 08F and what brand can be used instead?
Characteristics and applicable range of 08F:Its strength is low, and the steel is soft, plastic and tough. General use does not require heat treatment, but in order to eliminate the internal force due to cold processing, improve the cutting performance of steel, heat treatment can be carried out, cold processing can increase the intensity. Often used in the manufacture of stamping parts and carburizing parts, such as stamping products, sockets, enamel products, automobile shell, etc..
Q:What is the maximum width of galvanized steel strip, please? The galvanized coat is 275, and how long is one coil?
But this kind of steel coil is not well processed in the market. At the beginning of Wuhan, several processing plants are good at processing, and other processing plants usually process 1850 at most.
Q:Several reading methods of steel tape measure
Precise steel tape factory and after a period of time must go through the verification and indicate the verification of temperature, tension and feet. Feet marked on the length of its nominal length, and the difference between the actual length is called length correction delta l ruler by different tension will make feet long. To avoid this change requires the use of steel tape according to the scale mark force of steel tape. At different temperature the foot will change with the temperature so it is necessary to use t as variable function to represent the feet long, this is the ruler length equation, its general form:
Q:How can the outer diameter and weight of steel coil be converted?
When it comes to this question, in fact, a lot of them are irrelevant. The weight of the steel rolls means that there is a unit weight called the weight of each mm in the width of the steel coil
Q:Cold rolled steel coil steel, what is the difference?
Steel rolling process is different from the steel produced naturally different!
Q:What is the accuracy of steel tape inspection
In addition, the project is through the detection of steel tape, steel tape each batch have the error him different, so do projects each into a batch of steel tape has to go through the inspection department, let this batch of steel tape has reached the same error range. All the measuring tools in this project are unified into these steel tape measures, so that the measurement error is guaranteed
Q:How are steel tape measures installed?
The spring piece is fixed on the shaft, the other end is connected with the measuring tape core, fixed tape shell with a shaft, the spring plate and a circle around the axis of the ruler core, wrapped after the ruler core extends from the outer end of the incision length of the shell, gently pull, the spring is tightened, the pull out the part from the incision and then removed around the shaft, then gently pull out, and then put the ruler core tied to the shaft, removed from the incision so repeatedly, until the spring to put all the ruler core recovery. Then a cotter pin on the central shaft installed on the lid, will tighten the screws.
Q:What's the length of a coil of cold rolled steel? Is there a standard?
And the length has a lot to do with the thickness. So the total length of the volume is not good.

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