Hot-dip Zinc Coating Steel Building Roof Walls
1.Structure of Hot-Dip Galvanized Steel Sheet Description：

Hot-dip galvanized steel coils are available with a pure zinc coating through the hot-dip galvanizing process. It offers the economy, strength and formability of steel combined with the corrosion resistance of zinc. The hot-dip process is the process by which steel gets coated in layers of zinc to protect against rust. It is especially useful for countless outdoor and industrial applications. Production of cold formed corrugated sheets and profiles for roofing, cladding, decking, tiles, sandwich walls, rainwater protective systems, air conditioning duct as well as electrical appliances and engineering.

2.Main Features of the Hot-Dip Galvanized Steel Sheet：

• Excellent process capability

• Smooth and flat surface

• Workability, durability

• Excellent anticorrosive property

• High strength

• Good formability

• Good visual effect

3.Hot-Dip Galvanized Steel Sheet Images:

4.Hot-Dip Galvanized Steel Sheet Specification：

Standard: ASTM, JIS,EN

Grade: CS, DX51D+Z,SGCC, SS 230~550,S220GD+Z~S550GD+Z, SGC340~SGC570

Thickness: 0.1mm~5mm

Width: max 2000mm

Coil weight:3-12 MT

Coil ID:508/610mm

Surface structure: zero spangle, regular spangle or minimum spangle

Surface treatment: Chromate treatment, Oiled/dry, skinpassed/non-skinpassed

Packing: Standard seaworthy export package

Technology test results:

5.FAQ of Hot-Dip Galvanized Steel Sheet：

We have organized several common questions for our clients，may help you sincerely：

1.How about your company？

A world class manufacturer & supplier of castings forging in carbon steel and alloy steel，is 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.

2.How to guarantee the quality of the products？

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

3. How long can we receive the product after purchase?

Usually within thirty working days after receiving buyer’s advance payment or LC. We will arrange the factory manufacturing as soon as possible. The cargo readiness usually takes 15-30 days, but the shipment will depend on the vessel situation.

The occurrence of anode effects is because as the electrolysis process, oxygen-ion electrolyte gradually reduced, when a certain degree, there is precipitation of fluorine and carbon generate carbon anode effects fluoride, carbon fluoride in the decomposition time and fine carbon particles deposited on the carbon particles attached to the surface of the anode, electrolyte and anode to prevent contact of the electrolyte cannot properly wet the anode, like water cannot wet oiled surface as the electrolyte - anode formed between a bad air film conductive layer, the anode overvoltage increases, causing anode effect. When adding a new alumina deposited on the anode and oxygen, the reaction of oxygen and carbon black, the anode surface gradually quiet, resistance is reduced, the electrolysis process and become normal.

After 40 years of research and development, electrolytic coloring to keep the depth and breadth of development, anodized aluminum is developed from the general protective - decorative purposes to the functional film special physical and chemical properties, from single colored salt to mixed salt coloring, from single uniform color to multi-colored, multi-color sense, and so on. Current porous alumina membranes toward functional direction research mainly from two aspects, one is the use of its porous structure, the development of new ultra-precision membrane; the other is through their nanoscale pores of various deposition the nature of different substances, such as metal-semiconductor, polymer materials, to prepare a new type of functional materials.