GI Hot Dipped Galvanized Steel Sheet In Coils

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Qingdao
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25 m.t.
Supply Capability:
10000 m.t./month

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 GI Hot Dipped Galvanized Steel Sheet In Coils

 

1.Structure of  GI Hot Dipped Galvanized Steel Sheet In Coils

 

GI Hot Dipped Galvanized Steel Sheet In Coils is one kinds of building material on construction.Steel sheet in melting zinc trough, the sticking of a layer of zinc sheet. At present mainly adopts continuous galvanizing process, namely the continuous roll of steel plate in the melt zinc plating tank made of galvanized steel sheet; Alloying of galvanized steel. This kind of steel plate is made by hot dip method, but after the slot, immediately heated to a temperature of about 500 , it make the generation of zinc and iron alloy membrane. This kind of galvanized volumes with good coating of the sex and weldability.


2.Main Features of  GI Hot Dipped Galvanized Steel Sheet In Coils.

1) Rust-proof

2) Water-proof

3)Durable using

 

3.  GI Hot Dipped Galvanized Steel Sheet In Coils Images

 

 

GI Hot Dipped Galvanized Steel Sheet In Coils

GI Hot Dipped Galvanized Steel Sheet In Coils

 

 

 

 

4.  GI Hot Dipped Galvanized Steel Sheet In Coils Specification

1)Based raw material: Hot rolled steel coils or Cold rolled steel coils
2) Thickness 
3) Width
4)Coating mass
5) Spangle
6)Surface treatment
7)Coil inner diameter

8)Painting kind

9)Painting color

10)Painting thickness

 

5.FAQ of  GI Hot Dipped Galvanized Steel Sheet In Coils

 

We have organized several common questions for our clientsmay help you sincerely 

 

How about your company

A world class manufacturer & supplier of castings forging in carbon steel and alloy steelis one of the large-scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customer’s requirements.

 

How to guarantee the quality of the products

We have established the international advanced quality management systemevery link from raw material to final product we have strict quality testWe resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

 

③How is the properties of the products?


The material and mechanical properties

Material

Tensile test

Rel

(MPa)

Rm (MPa)

Elongation

1.8~<2.0< span="">

2.0~<2.5< span="">

2.5~<3.2< span="">

3.2~<4.0< span="">

4.0

SPHC

270

29

30

31

32

32

SPHD

270

32

33

35

37

39

SPHE

270

33

35

37

39

41

SS330

205

330~430

26

SS400

245

400~510

24

SAPH370

370

255

32

 





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Q:What are the categories of strip steel? How do you distinguish it?
Steel is divided into two major categories: carbon steel (carbon steel) and alloy steel by chemical composition. Carbon steel is an alloy obtained by smelting pig iron. Besides iron and carbon, it also contains a small amount of impurities such as manganese, silicon, sulfur and phosphorus. Carbon steel has a certain mechanical properties, but also has good technical performance, and low prices. Therefore, carbon steels have been widely used. But with the rapid development of modern industry and science and technology, the performance of carbon steel has not fully meet the needs, so people have developed a variety of alloy steel. Alloy steel is a multicomponent alloy obtained by adding certain elements (called alloy elements) on the basis of carbon steel. Compared with carbon steel, the properties of alloy steel have been improved greatly, so it has been widely used.
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: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 is strip heat cheap?
Mainly the production process is not the same.
Q:Is there any difference between galvanized steel strip and galvanized sheet?
Broad sense means galvanized steel sheet.
Q:What is the difference between steel strip and coil?
The strip and the coil is the main raw material for the production of welded steel pipe, the steel pipe manufacturing is mainly manufacturing process for spiral welded pipe used for steel roll uncoiling, leveling, trimming, molding, welding, welded pipe must be used for sheet forming and welding, if the steel roll uncoiling leveling must also be cut into leaflets the use of steel plate. Coil generally refers to the strip width not less than 600mm, can generally be divided into Kaiping steel plate or longitudinal strip, standard and plate together, such as: carbon and low alloy structural steel plates and strips. Strip width is generally less than 600mm.
Q:What about the strip scraping in the annealing furnace?
Thus forming an air knife scratch. This kind of defect causes the product to be wasted because the coating is scratched. Proper control of strip tension in productionForce and adjust the nozzle distance, can avoid this kind of defect happen.
Q:What is strip steel?
A steel strip, also called a strip, is actually a thin, narrow and long steel plate, usually rolled.
Q:What is the difference between strip steel and silicon steel?
The sheet material rolled with silicon steel is the most widely used soft magnetic material in the field of electrical engineering. Therefore, silicon steel sheet is also called electrical steel sheet. Silicon steel sheets are widely used in motors, generators, transformers, chokes, electromagnetic devices, relays and measuring instruments. Influence of silicon content on properties of silicon steel sheet. Silicon is a good deoxidizer for steel. It combines with oxygen to convert oxygen into a stable, non carbon reduced SiO2, avoiding lattice distortion of iron by doping oxygen atoms. Silicon becomes a solid solution in alpha iron, increasing resistivity and helping to separate harmful impurities from carbon.
Q:Pickling process of cold rolled strip
Pickling process of cold rolled strip:Strip steel must be pickled before cold rolling, in order to remove the oxide scales on the surface of the steel coil which is harmful to the cold rolling, because the iron oxide sheet will damage the roller surface in cold rolling, and lead to defects on the strip surface. The most commonly used is continuous pickling of strip steel. The advanced cold rolling mill adopts continuous pickling line or Push-pull Pickling at high speed. Taking continuous pickling as an example, pickling is carried out continuously through several pickling tanks. To make the job line process continuous, the front end of a hot strip coil and the rear end of a steel coil are welded together. After pickling, the strip is cut and rolled according to the required roll weight and reel diameter.

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