COLD ROLLED WAVE GALVANIZED STEEL SHEET

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
50 m.t.
Supply Capability:
2000 m.t./month

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Item specifice:

Standard: JIS,ASTM,AISI,GB Technique: Saw,Forged,Hot Rolled Shape: Rectangular,Square
Surface Treatment: Oiled,Coated,Galvanized Steel Grade: Q235,Q215B,Q235B,Q215,Q195 Certification: ISO,SGS,BV,IBR,BSI
Thickness: 0.8 Length: 1200 Net Weight: 3~8

Product Description:

 

Product  Brief  Introduction

 

COLD ROLLED WAVE GALVANIZED STEEL 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:

C

Si

Mn

Cr

Ni

P

S

0.150

0.476

11.231

12.50

0.900

0.039

0.010

 

 

 

 

 

 

FAQ

 

  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.

COLD  ROLLED WAVE GALVANIZED STEEL SHEET

 

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Q:What are the characteristics of cold rolled strip technology?
Cold rolled steel strip is rolled steel as raw material, after pickling, rolling, fine cut, withdrawal, leveling, straightening, finally packaged into a strip shape, the surface effect basically has two kinds: Bright strip and black annealed strip, are used for different purposes.
Q:Is the coil strip? Is hot rolled coil and hot rolled strip the same?
We found differences between strip and hot rolled strip width is below 1000mm, so it can be distinguished by the Ruifeng strip and Wuhan specifications eye coil, as to why some people use a strip coil, it depends on their factory mill can tie what width, this demand is also different.
Q:How does the disc shear deal with the problem of side clips into the strip?
The disc shearing machine is a production line made up of uncoiling, feeding, shearing and coiling
Q:What's the difference between cold rolled strip and cold rolled strip?
Cold roll is usually called hard roll, 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.
Q:What's the reason for the strip after pickling?
Pickling is only surface rust removal, which will not affect the hardness of the material.
Q:What is the difference between steel strip and strip steel?
The steel strip is the product which the processing enterprise cuts the strip steel according to the specific machine size to cut into a certain length, the width, generally assumes the enclosed circle shape. For example, steel conveyor belts, such as furniture or wood processing enterprises, "band saw" saw blade, but also steel band.
Q:What's the meaning of "double light" in strip cold rolling?
Strip strip coiling: general supply, with high dimensional accuracy, good surface quality, easy processing, material saving and other advantages. With the same steel plate, strip by strip material is divided into ordinary and high quality strip two; according to the processing method of cold rolled strip steel hot strip, two.
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:Why does the strip bend when it is rolled?
The strip will bend after rolling:1) operation reasons, because the operator double pendulum adjustment is unreasonable, resulting in strip deviation.2) electrical reasons, due to the sudden decrease or disappearance of the tension of the coiler during the rolling process, lead to strip deviation and fracture.3) due to roll, roll grinding after serious pressure, taper, makes the school not to the operator in the rolling process of double pendulum regulation increases taper, will cause serious side light waves caused by shape defects, cause strip deviation and broken belt.4) strip edge control device failure, deviation device, tube or mirror surface pollution or other objects covered, so that the deviation of the device failure, resulting in the first line of deviation
Q:Can the tension leveller eliminate the wave shape of strip steel completely?
Deformation of strip in tension and bending. There are two sides of the strip wave, the edge of the long fiber and short fiber into the middle; stretching and straightening machine Zhang Ligun, high tension length of the fiber are elastic deformation, the deformation is in the same length; bending roll, tensile and bending interaction length of the fiber plastic the deformation happened, Wuxi Tiangong metallurgical production straightening machine total length is still the same, which is different from the original long fiber produced by plastic deformation is small, the original short fiber produced by large plastic deformation; tension and bending stress to remove all strip elastic deformation recovery, leaving only the plastic deformation, then the original short fiber than long fibers obtained permanent large plastic deformation, long fiber length and narrow the gap, but still a long long fiber, short fiber is still relatively short.

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