Corrugated galvanized iron sheet gi corrugated sheet in doha qatar 

 

 

What Is Galvanized Steel?                                                                                              

		The galvanized coil is a thin steel plate in which a thin steel plate is immersed in a molten zinc bath to adhere a layer of zinc to the surface.Galvanized steel is a surface treatment technique that coats a layer of zinc on the surface of a metal, alloy or other material for aesthetics, rust prevention, and the like. The main method used is hot-dip galvanizing.
Zinc is easily soluble in acid and soluble in alkali, so it is called an amphoteric metal. Zinc hardly changes in dry air. In moist air, a dense zinc carbonate film is formed on the zinc surface.In the atmosphere containing sulfur dioxide, hydrogen sulfide and marine, the corrosion resistance of zinc is poor, especially in the atmosphere containing high temperature and high humidity containing organic acid, the zinc coating is easily corroded. The standard electrode potential of zinc is -0.76V. For steel substrates, zinc coating is an anodic coating. It is mainly used to prevent corrosion of steel. Its protective performance has a great relationship with the thickness of the coating. After passivation, dyeing or coating of the photoresist, the zinc coating can significantly improve its protection and decorative properties.

 

Products  Composition                                                                                                   

 

Corrugated GI Sheet Products Description                                                                   

Product Name	Corrugated galvanized iron sheet gi corrugated sheet in doha qatar
Technical Standard	EN10147/EN10142/DIN 17162/JIS G3302/ASTM A653
Grade	Dx51D/Dx52D/Dx53D/DX54D/S220GD/S250GD/S280GD/S350GD /S350GD/S550GD; SGCC/SGHC,SGCH,SGH340,SGH400,SGH440,SGH490,SGH540, SGCD1,SGCD2,SGCD3, SGC340,SGC400,SGC440,SGC490,SGC570; SQ CR22(230),SQ CR22(255),SQ CR40(275),SQ CR50(340),SQ CR80(550), CQ,FS,DDS,EDDS,SQ CR33(230),SQ CR37(255),SQ CR40(275),SQ CR50(340),SQ CR80(550); or Customer’s Requirement
Type	Coil/Sheet/Plate/Strip
Thickness	0.12-6.00mm,or customer's requirement
Width	600mm-1500mm,according to customer's requirement
Type of Coating	Hot Dipped Galvanized Steel(HDG)/Zinc Coated Steel(Electro-Galvanised Steel)
Zinc Coating	20-275g/m2
Surface Treatment	Passivation(C),Oiling(O),Lacquer sealing(L),Phosphating(P),Untreated(U)
Surface Structure	Normal spangle coating(NS),minimized spangle coating(MS),spangle-free(FS)
ID	508mm/610mm
Coil Weight	3-20metric ton per coil

 

Corrugated GI Sheet Production Workshop                                                                 

 

Galvanized Category                                                                                                       

1. Cold galvanizing:is also called electro-galvanizing: it is to remove the oil, pickle, and then put

into the solution of zinc salt by electrolysis equipment, and connect the negative electrode of the

electrolysis equipment, place the zinc plate on the opposite side of the pipe fitting, and connect

When the positive electrode of the electrolysis device is turned on, a layer of zinc is deposited on

the pipe by the directional movement of the current from the positive electrode to the negative

electrode, and the cold-plated pipe member is processed and then galvanized.
2. Mechanical galvanizing: In a rotating drum equipped with plated parts, glass balls, zinc

powder, water and accelerator, the glass ball as the impact medium rotates with the drum, causing

friction and hammering on the surface of the plated part. The mechanical physical energy, under

the action of a chemical accelerator, "cold-welds" the plated zinc powder onto the surface of the

plated part to form a smooth, uniform and fine coating having a certain thickness.
3. Hot-dip galvanizing: The main method used for galvanizing the surface of steel sheets is hot-

dip galvanizing.

 

Corrugated GI Sheet Production Process                                                                     

The production process of hot-dip galvanized sheet:preparation of original board → pre-plating

treatment → hot dip plating → post-plating treatment → finished product inspection. According to

the habits, the hot-dip galvanizing process is divided into two categories: off-line annealing and in-

line annealing.

Corrugated GI Sheet Products Advantages                                                                  

1.Anticorrosive:13 years in heavy industrial areas,50 years in the ocean,104 years in the suburbs

and 30 years in cities.
2.Cheap:The cost of hot-dip galvanizing is lower than that of other coatings.
3.Reliable:The zinc coating is metallurgically bonded to the steel and forms part of the steel

surface,so the coating is more durable.
4.Strong toughness:The galvanized layer forms a special metallurgical structure that can withstand

mechanical damage during transportation and use.
5.Comprehensive protection:Every part of the plated piece can be galvanized,and is fully protected

even in depressions,sharp corners,and hidden places.
6.Save time and energy:Galvanizing process is faster than other coating methods.

 

Corrugated GI Sheet Products Inspection                                                                    

 

Corrugated GI Sheet Package & Loading                                                                      

The steel strips supplied according to the standard are usually applied with common rustproof oil

film, which can be swept away with alkali solution. The supplier guarantees that the oiled products

will be free from rust under normal packing, transportation, loading and storage conditions within 6

Months, the approved delivery date. However, product without oil coating can also be subject

subject to statement in the contract reached after discussion between the user and the supplier.

 

Application                                                                                                                       

Building & construction; Roofing; Terrace; Window frame;  Door; Rolling-up door; Microwave oven;		Chemical industry; Shutter; Mobile House; Interior dectorations; Wall; Door frame; Steel Structure;
Screen; Ceiling; Elevator; Household applicances; Fridge; Washing machine;		Air-conditioner; Duplicating machine; Transportation; Anto panel; Interior decoration panel; Carriage Panel

 

About Us                                                                                                                           

TJYCT Steel Co.,Ltd
We were establised in 2008.Our company specialized in Stainless Steel Products, Galvanized
Steel Products, Color Coated Steel Products, CR/HR Steel Coil as well as Round Bars, etc.
Enterprise spirit:Dedication, striving, practice & innovation
Operation philosophy:Sincere cooperation and mutual benefit
Enterprise objective:Pursuing excellence and striving to be the best
Company tenet:Credible management and joint development

 

Guide For Ordering Products                                                                                         

A user need provide the following information while placing order
01.Product designation (steel plates or strips)
02.Product standard number
03.Steel grade
04.Product specification and size accuracy (incl. thickness, width and length)
05.Edge status
06.Surface quality level
07.Flatness accuracy
08.Type, coating weight and surface treatment in case of coated products
09.Surface structure in case of hot dip galvanized products
10.Weight
11.Packing method
12.Application
13.Other special requirements

 

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