Prepainted Galvanized roofing sheet

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
-
Supply Capability:
5000 m.t./month

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Product Description:

Pre painted Galvanized roofing sheet

1> thickness: 0.12mm - 4.5mm
2> width:762mm/914mm/1200mm
3> length:Any length
4> basic material: galvanized steel sheet, Aluminum steel sheet

5> Zinc (Al) coating: 60g/m2 - 270g/m2

6> shape: corrugated

7> mainly usage: roof.

8> color: RAL card

9> Package: standard export package or as customer's requirement

    Corrugated steel sheet
species    Galvanized corrugatsheeted steel

     Prepainted galvanized    corrugated steel sheet

(Color coated corrugated steel sheet)

Surface

big spangle,

small spangle,

no spangle

Color coated as Ral series colors
thickness0.12mm - 4.5mm0.12mm - 4.5mm
width

672mm - 1250mm

or as customer's demand

672mm - 1250mm

or as customer's demand

length

1m-12m

or as customer's requirement

1-12m

or as customer's requirement

basic material cold rolled steel coil galvanized steel coil
Process

  Cold rolled steel coil

+ hot galvanized

+ corrugated

  Cold rolled steel coil

+ hot galvanized

+ color coated

+ corrugated


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Q:What is hot and cold rolled steel plate? How to distinguish? What high hardness? Which will produce noisy eye?
As the name suggests, hot rolling, rolling temperature is high, so the deformation resistance is small, can achieve large deformation in rolling steel plate. For example, the general continuous casting slab thickness is about 230mm, and after roughing mill and finishing mill, the final thickness of 1~20mm. at the same time, because the steel plate width thickness ratio is small, the size precision is relatively low, not easy appear the flatness problem, mainly to control the convexity. For the organization required, generally through controlled rolling and cooling control is realized, microstructure and mechanical properties of the rolling temperature, finishing temperature and coiling temperature to control strip finishing. Cold, generally in the heating process is not open before rolling. However, because the strip thickness is small, it is easy to appear the flatness problem. Moreover, after cold rolling is finished, therefore, in order to control the dimensional accuracy and surface quality of steel strip, using a lot of tedious process. The cold rolling production line, equipment, process complex With the user to improve the shape and surface quality of the strip size precision, plate, cold rolling mill control model, L1 and L2 system, the shape control means relative to hot. And temperature is one of the important control index of rolls and strip.
Q:How is the weight of the steel plate calculated?
Steel plate by thickness, thin steel plate <4 mm (thinnest 0.2 mm), thick steel plate 4~60 mm, extra thick steel plate 60~115 mm.The steel plate is divided into hot-rolled and cold-rolled parts according to rolling.The width of the sheet is 500~1500 mm; the thickness is 600~3000 mm. According to the type of steel sheet, ordinary steel, stainless steel, alloy steel, spring steel, stainless steel, tool steel, heat-resistant steel, bearing steel, silicon steel and industrial pure iron sheet; according to professional use, with drums board, enamel board, bulletproof plate; surface coating and plating, plating with zinc thin plate, tin plate, plating lead sheet, plastic composite plate.
Q:Is color steel plate the same as color steel tile?
Some people call this product "pre roll painted steel plate" and "plastic color steel plate".Color steel products are manufacturers in continuous production line volume production, it is also called color coated steel coil. Color steel plate not only has high mechanical strength, easy molding property, but also has good decorative and corrosion resistance. Color steel plate is a new material respected by the world. With the progress of science and technology, enhance the awareness of the environment, improve people's living standards, color plate activity room shows more and more strong vitality and broad market prospects, by construction, household appliances, electronics, transportation, interior decoration, office equipment and other industries favored.
Q:Is PCM steel better than galvanized steel?
In order to obtain the bending and curing enough; and can obtain good washing resistance, pollution resistance and high hardness. The pencil on the back with modified epoxy paint at the back, one can obtain good corrosion resistance, also can obtain excellent adhesion foaming.PCM color steel plate can not only meet the household appliances use environment and the requirements of the service life, but also has good processability, can meet the high speed and precision machining equipment requirements, can be used for bulk refrigerator door, side plate, back plate, box washing machine, water heater
Q:How to introduce carbon steel plate?
Any of various steels that contain less than 2.11% of the mass of carbon but contain no alloying elements. Sometimes referred to as plain carbon steel or carbon steel. Carbon steel, also called carbon steel, refers to an iron carbon alloy with a carbon content of less than 2.11% Wc. Carbon steel, in addition to carbon, usually contains a small amount of silicon, manganese, sulfur and phosphorus.
Q:How can the steel plate of flat welding 10mm make its deformation smaller?
The most simple way is to set up a few blocks in the weld transverse positioning plate, welding seam after cooling in the two side gently hammering stress relief force dismantled.
Q:Why is the water stop steel plate placed in the middle of the wall?
Because there are tiny cracks in the concrete construction joints. A steel plate is embedded in the gap and the gap is blocked by a steel plate.
Q:What's the difference between hot-rolled seamless steel tube and cold-rolled seamless steel tube?
Cold rolled seamless steel pipe (DIAL) in general, steel pipe for low and medium pressure boiler tube, high-pressure boiler steel pipe, alloy steel pipe, stainless steel pipe, oil cracking tube and other steel tube, including carbon thin-walled steel, alloy thin-walled steel, stainless steel, thin steel tube.
Q:What is the difference between cold rolling and hot rolling?
With the continuous casting slab or as raw material, after reheating furnace heating, descaling into the roughing mill of high pressure water, roughing material by cutting head, tail, and then enter the finishing mill, the implementation of computer controlled rolling, after finishing through the laminar cooling (computer controlled cooling rate) and coiler and become straight hair volume. Hair straightenerrollhead, tail tongue shapeand thefishtail shape, thickness, width of poor accuracy, edgehaswavy, folding, tower and other defects. The coil weight is heavy, and the inner diameter of the steel coil is 760mm. (general management industry likes to use. Thestraightthroughcutting) cutting head, tail cutting, trimming and multipass straightening and leveling finishing line processing, cutting board or heavy volume, which becomes: hot rolled steel plate and flat steel coils, slittingstripand other products. Hot finishing rolling by pickling descaling and oil is made by pickling hot-rolled coils.
Q:How to choose welding method for welding different plate and thick steel plate?
How to choose welding method for welding different plate and thick steel plate?:It depends on what process you use welding: manual arc welding, thick plate side should do thinner processing, become 12 thick, that is, a transition ramp, 15 degrees can be reached, two plates corresponding to the edge of the same thickness. V shaped groove, single side 30 meter, V shape 60 degrees. Clearance 2, blunt edge 1-2 can. Submerged arc welding, the plate can be assembled after thinning, without beveling.

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