Prepainted Corrugated Steel Roofing Sheet

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Quick Details

  • Standard:GB

  • Grade:cgcc

  • Thickness:0.14-1.0

  • Place of Origin:Shandong, China (Mainland)

  • Model Number:007

  • Type:Steel Plate

  • Technique:Cold Rolled

  • Surface Treatment:Coated

  • Width:914mm-1250mm

Packaging & Delivery

Packaging Details:standard exporting packing
Delivery Detail:30days after getting l.c


PPGI (ISO 9001:2000)
Width: 914 to 1,250mm
Thickness: 0.14 to 1.0mm
Zinc coating: 50 to 180g

  • PPGI (ISO 9001:2000)

  • Width: 914 to 1,250mm

  • Thickness: 0.14 to 1.0mm

  • Zinc coating: 50 to 180g

  • Color coated steel sheets are a new-type pre-coated steel product developed rapidly in the past  years

  • Color coated steel sheets are made on high-speed continuous coating lines through a number of processes such as chemical pretreatment, primary coating and finish coating, thus they have better coating quality than single piece coating

  • They are ideal substitutes for wood panels in the construction industry because of their good economic features such as convenient installation, conservation of energy and resistance to contamination

  • The rapid development of color coated steel sheets is mainly attributed to their good economic, social and environmental properties

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Q:Is the coil strip? Is hot rolled coil and hot rolled strip the same?
Is not the same, although both are in the shape of a roll, they generally written specifications (thickness * width *C, length C said, due to the general roll up so C said, if it is a rectangular steel will have length) for example we see Ruifeng strip 2.5*315*C, 11.5*1500*C 315 and Wuhan Iron and steel coil. 1500 that the width of 315mm and 1500mm
Q:What is cold rolled strip and hot rolled strip? Why is it called strip steel?
When the cold rolled steel strip is processed and shaped, the raw material is made at the normal temperature, so the mechanical properties of the steel strip are crisp and hard and have good elasticity.
Q:What is the difference between cold plate and strip steel?
Cold rolled sheet steel is short for ordinary carbon structural steel cold-rolled plate, also known as cold rolled plate, commonly known as cold plate, sometimes mistaken for cold tie plate. The cold plate is made of ordinary carbon structural steel hot rolled steel strip, which is made into steel plate with thickness less than 4mm after further cold rolling. Because the rolling at room temperature, does not produce iron oxide, so the surface quality of cold plate, high dimensional accuracy, coupled with the annealing treatment, the mechanical properties and process performance are better than the hot rolled steel sheet, in many fields, especially in the field of electrical appliance manufacture, has gradually replaced it with hot rolled steel sheet.
Q:What's the difference between strip 235 and 235b?
Q235 is Q235a, Q235 material according to the sulphur and phosphorus content from high to low is divided into ABCD four grades, grade a sulfur phosphorus was the highest relative performance (welding, plasticity) is the worst, D performance is the highest, the lowest content of parathion
Q:Is the strip steel strip?
Including strip steel, generally speaking, the strip refers to the plate and strip of the general term, but the plate in the middle part of the plate and the delivery of sheet metal is cut from the strip.
Q:Causes of zinc removal in hot rolled strip
The Al content in the alloy layer is little, and the Fe2Al5 alloy layer which is decisive to the adhesion of the zinc layer is not generated, or the alloy layer is damaged by the excessive growth of the iron zinc alloy layer.
Q:What are the advantages of cold rolling and cold rolling strip steel?
What to do with cold rolling is better than that of hot rolling, which is the main one because cold rolling is processed by hot rollingCold: hot rolled steel coil as raw material by pickling descaling after cold rolling, the finished rolling hard volumes, due to continuous deformation caused by cold hardening the volume rolling hard strength, hardness, toughness index rise decline, so the stamping performance will deteriorate, only for a simple deformation of parts.Cold rolled steel strip and sheet thickness is generally 0.1 ~ 3mm, width 100 ~ 2000mm in hot strip steel or timber as raw material, under normal temperature after cold rolling, cold rolled steel strip and sheet has the advantages of smooth surface, smooth, high precision and good mechanical properties.
Q:Why does the strip bend when it is rolled?
In the rolling process of strip tension is too large or too small will bring many adverse effects on the operation, including in the choice of a plan, must be properly chosen at each strip tension, if the improper selection of strip tension, will affect the quality of strip steel and the actual operation, when the strip coiler tension before and after the selection is too large that will cause the broken belt or rolled steel coil is heart-shaped, tension is too small will cause damage to roll off with Le roll or strip.
Q:Can the tension leveller eliminate the wave shape of strip steel completely?
We take the longest and shortest fibers in the cross section of the strip and analyze their elastic and plastic deformations under the action of tension. In addition to external force because of tension by strip in straightening process, and bending stress and bending stress is tensile stress and compressive stress of the component, and the main role is tensile stress, the main deformation so through the analysis of tensile deformation on behalf of strip.
Q:65 what is the hardness of the best heat treatment of manganese steel strip?
65, the optimum heat treatment hardness of manganese strip depends on the application and heat treatment method;1, 65Mn strip at 850 degrees Celsius, quenching oil +180 degrees, low temperature tempering 6 hours, hardness can reach HRC56 or so.2, if it is 400 degrees Celsius, tempering 4 hours, its hardness is generally around HRC39.

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