High Quality ASTM Dx51d Z275 Zinc Galvanized Steel Sheet Aluminium Zinc Coating Galvanized Steel Sheet

Product Description

Product Description

Galvanized steel plate is a welded steel plate with hot dip plating or electric galvanized layer on the surface, which is generally widely used in construction, home appliances, vehicles and vessels, container manufacturing, electromechanical industry and so on.
Galvanized steel is mild steel with a coating of zinc. The zinc protects the steel by providing cathodic protection to the exposed steel, so should the surface be damaged the zinc will corrode in preference to the steel. Zinc steel is one of the most widely used products, used extensively in the building sector, automotive, agricultural and other areas where the steel needs to be protected from corrosion.

Product Name	Galvanized Steel Sheet
Standard	ASTM,AISI,SUS,JIS,EN,DIN,BS,GB
Material	DC51D,DX51D,DX52D,DX53D,DX54D,SGCC,SGCD,SGHC,S350GD,S450GD,S550GD
Surface treatment	Chromated/non-chromated,oiled/non-oiled,skin pass
Thickness	0.12-4.0mm
Width	20-1250mm
Surface treatment	Chromated/Non-Chromated, Oiled/Non-oiled, Skin pass
Application	Construction field, ships building industry, petroleum & chemical industries, military and electricity industries, food processing and medical industry, boiler heat exchange,machinery and hardware fields

Detailed Photos

Product Parameters

The manufacturing process of galvanized sheets is generally divided into the following steps:
1.Surface treatment
First, the surface of the substrate needs to be treated to remove oil, rust and other impurities on the surface to
facilitate the subsequent adhesion of the coating.
2. Pickling treatment
Next, pickling treatment is required to remove the iron oxide scale on the surface of the substrate and enhance
the adhesion of the substrate surface.
3. Immersion plating treatment
The pickled substrate is immersed in a plating solution containing zinc salt, and after an electrochemical reaction,
a zinc layer is deposited on the surface of the substrate to form a zinc plating layer.
4. Drying treatment
The galvanized sheet is dried to remove moisture and volatile matter from the surface, making the galvanized
layer stronger.
5. Coating treatment
If necessary, the surface of the galvanized sheet can be coated to increase the durability and aesthetics of its surface.

Galvanized sheet Steel Sheet

Galvanized sheet refers to a steel sheet with a layer of zinc on the surface. Galvanizing is a commonly used economic method to prevent the surface of the steel sheet from corrosion and extend its service life. A layer of metal zinc is coated on the surface of the steel sheet. This zinc-coated steel sheet is called a galvanized sheet. It is an effective anti-rust method. About half of the world's zinc production is used in this process.Due to different treatment methods in the coating process, the surface state of galvanized sheets is also different, such as ordinary zinc spangles, fine zinc spangles, flat zinc spangles, no zinc spangles, and phosphating surfaces. German standards also stipulate surface levels. Galvanized sheets should have a good appearance and should not have defects that are harmful to the use of the product, such as no plating, holes, cracks, scum, excessive plating thickness, scratches, chromic acid dirt, white rust, etc. Foreign standards are not very clear about specific appearance defects.

 

Hot-dip galvanizing process

Hot-dip galvanizing is to immerse the steel material in molten zinc liquid so that a layer of zinc is attached to its surface. This process includes the following steps:

Pretreatment: Clean and degrease the steel surface to ensure that the zinc layer can be firmly attached to the steel.
Dip plating: Immerse the treated steel in molten zinc liquid, and the zinc in the zinc liquid reacts with the steel to form an alloy layer.
Cooling and solidification: The workpiece after dip plating needs to be cooled and solidified to form a continuous zinc layer.
Post-treatment: Trim and inspect the galvanized workpiece to ensure that the quality meets the requirements

 

Electrogalvanizing (cold galvanizing)

The process of depositing a layer of zinc on the surface of steel through the principle of electrolysis. The specific steps are as follows:

Electrolyte preparation: Prepare an electrolyte containing zinc ions.
Electroplating: Use steel as the cathode, and through the action of electric current, zinc ions are reduced to metallic zinc on the surface of steel to form a coating.
Post-treatment: After electroplating, clean and dry the workpiece to ensure that the coating is uniform and flawless

Packaging & Shipping

Multiple packing:wooden case,wooden pallet or waterproof woven bag.
Plywood case packing:high resistance of burst strength,ring crush strength and tearing strength.
Wooden frame packing:damp-proved and high resistance of burst strength ring crush strength.
 

Application

Our Advantages

Company Profile

Jinan Taigang new material Co., LTD is a professional steel company engaged in the research, development, production, sale and service. It had five branch companies. Our annual sales nearly one billion, about 280, 000 tons steel, It is located in Jinan with the convenient transportation access. In line with the development concept of quality conquer the world, service achievement future. We dedicate to strict quality control and thoughtful customer service, and our experienced staff members are always available to discuss your requirements and ensure every customer satisfaction. Our main products include PPGI, galvanized steel, steel plate, round bar, steel pipe, Stainless steel product, angle bar, steel pile, H beam, I beam, angle, Channel flat steel etc. With double guarantee of service and management system. Main market distributes in North America, South America, Africa, Southeast Asia as well as Oceania. We have established long-term and win-win partnership with many large steel manufacturers, such as Baosteel, Laiwu Steel, Rizhao Steel, Handan Iron and Steel, Angang and Maanshan Iron and Steel. We always foucesed on the intergration of reasources, in line with the concept of win win cooperation. Sincerely wish to build a long and regular business with you forever.

 

FAQ

Q1:Does the product have quality inspection before loading?
A1:Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed.weaccept the third party inspection absolutely.
 
Q2:How do we trust your company?
A2:We are a large factory with an area of 2260000 square meters.
 
Q3 : What is your payment terms ?
A3 : T/T,L/C AT SIGHT,D/P IS WORKABLE AFTER OUR INVESTIGATION
 
Q4:Can I get samples before order ?
A4:Yes, of course. Usually our samples are free,we can produce by your samples or technical drawings.
 
Q5: Can you provide OEM/ODM service?
A5:Yes. Please feel free to contact us for more detailed discussions.
 
Q6:What product information do I need to provide?
A6:You need to provide the grade, width, thickness, coating and the number of tons you need to purchase.
 
Q7:Supported trade methods
A7: FOB,CIF,CFR Shipping ports: Qingdao Port, Tianjin Port