Hot-Dipped Corrugated Steel Roofing Sheet

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50 m.t.
Supply Capability:
2000 m.t./month

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Item specifice:

Standard: AISI,JIS,GB,ASTM Technique: Hot Rolled,ERW Shape: Square,Rectangular
Surface Treatment: Galvanized,Coated,Dry Steel Grade: Q195,Q215,Q235,Q215B,Q235B Thickness: 0.3~1
Width: 1000 Length: 600~2000 Net Weight: 3

Product Description:



Product  Brief  Introduction


Hot-Dipped Corrugated Steel  Roofing Sheet

--- Corrosion resistance: Pre-coated steel offers excellent corrosion resistance achived through continuous hot DIP galvanization and corrosion resistant primer/polyester coating. Protection is achieved when zinc and steel are together in the presence of moisture; The zinc protects the steel by galvanic action


Product Features


. Traditional aesthetics outlook 
. Suitable for new house or renovation.
. Less joints, watertight
. Long life service
. Tedun also provide relative ridge cap, fasteners and other accessories

Product Specification 

Standard:ASTM, GB,JIS,JIS G3302 ASTM 755 EN10169

Grade: DX51D CGCC CS

Thickness: 0.13mm~3.0mm,

Width: 1250,600-1250mm

Coil weight:3-12 MT

Coil ID:508/610mm

Chemical composition:
























  1. How long will we receive the goods ?

45days after receiving workable L/C


  1. how do you control the quality ?

    we have our own quality control department ,we will arrange QC person  to see the production line ,when goods finish ,before shipment ,our QC person will check the quality as per our test report request ,if the goods is ok ,then we issue the test report ,and we allow the goods shipping ,otherwise will not allow ship the goods.


Hot-Dipped Corrugated  Steel Roofing Sheet

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Q:What's the difference between cold rolled strip and cold rolled strip?
The term "steel coil" is strip steel, whose width is less than 600mm. It is called "narrow band", so cold rolled coil is called cold-rolled strip
Q:What gas does the shear of the strip weld require for the welder?
(1) inlet strip clamping mechanism.(2) shearing machine.(3) welding device.(4) export strip clamp mechanism.The inlet and outlet strip clamp mechanism is used to make the end of the strip to the middle and clamp to the welding position, including strip clamping, centering and positioning device.
Q:Where is the good quality of galvanized steel strip?
Strip steel is widely used in the production of welded steel pipe, made of cold formed steel billet, manufacturing bicycle frame, rim, clamp, gasket, spring, saw blades, hardware and blades.
Q:What's the meaning of "double light" in strip cold rolling?
Double light: This is generally cold rolled roll of the statement, cold-rolled grades SPCC, SPCC is generally a general term, including SPCC-SB, SPCC-SDSPCC-SD is a single light, it is now generally rough surface is the material directly labeled SPCC, remove the suffixSPCC-SB is double light, the surface is mirror surface, also called bright surface
Q:The degreasing time is too long, will the strip surface be oxidized?
Sheet metal pretreatment, degreasing total alkalinity is recommended in 15-20, alkali spent large, must be short time processing, for a long time will make the metal crystal nucleus passivation, influence phosphating film. Sheet metal general oil should not be cleaned, especially stamping parts, etc., it is recommended to use degreasing temperature, the temperature can be 65-75 degrees.
Q:What is the difference between galvanized steel cold base galvanized steel strip and hot galvanized steel strip?
In addition because of the high density of zinc, galvanized steel coating with the same aluminium zinc plate in the price there is no advantage, because the control relationship between zinc flower, zinc plating is more difficult to control, and anti oxidation performance and ALuminum zinc is poor compared to several times, so now mainly in the aluminum zinc as the main building materials and its the performance is 3-4 times of zinc, but the current electronics industry because of influence of hot dip galvanizing plate conductivity, appearance or using mainly low coating, building materials mainly to hot-dip aluminum zinc 100g/ square meters above. The main hot dipped aluminum zinc is 55%AL and 44.5%Zn.
Q:What is the difference between strip steel and silicon steel?
Strip steel is a kind of narrow and long steel plate produced by various rolling mills to meet the needs of industrial production of various metal or mechanical products in different industrial sectors. Strip steel, also known as steel strip, is within 1300mm in width, and the length varies slightly according to the size of each roll. The strip is supplied in general, and has the advantages of high dimensional accuracy, good surface quality, easy processing and material saving. Same as steel plate, strip steel is divided into two kinds of ordinary strip steel and high quality strip steel according to the material used, and two kinds of hot-rolled strip steel and cold rolled strip steel according to processing method.
Q:Where is the lining board made of polyurethane lining? Please contact immediately
Selection of raw materials: different polyol raw materials with different molecular structures and molecular weight, the performance gap between different polyols, the use of the environment and the requirements are not the same, each with unique characteristics and optimum application. Polyester polyol, wear resistance, corrosion resistance, good oil resistance, high mechanical strength, good aging resistance. Polyether polyols have good resilience and low temperature compliance, and they also have good hydrolytic stability and mildew resistance. There are many curing agents, and different formulation systems use different performance requirements. The choice of different systems depends not only on the performance requirements of the product, but also on the price of the product. The abrasion resistance of the wear-resistant lining plate is determined by the raw material chosen.
Q:Reasons for black side of hot strip galvanizing
The content of zinc chloride in plating bath is too low, which leads to some parts can not be plated and lead to local blackening.
Q:Specification and use of cold rolled strip
Cold rolled strip steel: widely used in construction machinery, transportation machinery, construction machinery, lifting machinery, agricultural machinery and light industry, civil and other general structural parts and stamping parts.

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