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0.35mm-2mm Prime Hot Dipped Galvanised Coil Dx51d Z275 Zinc Coated

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0.35mm-2mm Prime Hot Dipped Galvanised Coil Dx51d Z275 Zinc Coated

Country/Region	china
City & Province	wuxi shandong
Categories	Metal Electroplating Machinery

Product Details

0.35mm-2mm Prime Hot Dipped Dx51d Z275 Zinc Coated Galvanized Steel Coil Price

Galvanized steel coil, immersing the thin steel plate in the molten zinc bath, and adhering a layer of zinc thin steel plate on the surface. It is mainly produced by the continuous galvanizing process, that is, the coiled steel plate is continuously immersed in the zinc-melted plating tank to make galvanized steel plate; alloyed galvanized steel plate. This kind of steel plate is also made by the hot-dip method, but it is heated to about 500 °C immediately after exiting the tank to form an alloy film of zinc and iron. This galvanized steel coil has good paint adhesion and weldability.

Product Name	0.35mm-2mm Prime Hot Dipped Galvanised Coil Dx51d Z275 Zinc Coated
Width	600mm-1500mm,according to customer's requirement
Thickness	0.12-6.00mm,or customer's requirement
Length	6-12m or According To Customer's Demends
Surface Structure	Normal spangle coating(NS),minimized spangle coating(MS),spangle-free(FS)
Advantages	1.low foundation cost 2.easy construction 3.time and labor saving
Type of Coating	Hot Dipped Galvanized Steel(HDGI)/Electro-Galvanised Steel(EGI)
Surface Treatment	1. Galvanized 2. PVC,Black and color painting 3. Transparent oil,anti-rust oil 4. According to clients requirement
Product Application	1. Fence, greenhouse, door pipe,greenhouse 2. Low pressure liquid, water, gas, oil, line pipe 3. For both indoor and outdoor the building construction 4. Widely used in scaffolding construction which is much cheaper and convenient
Packing	Bundle, or with all kinds of colors PVC or as your requirements

◆ 1. Pre-Treatment Process

Some rolling oil and other contaminants remain on the surface of cold rolled steel sheets following processing. These are removed by passing the electrically charged sheet through an alkaline solution which induces an electrochemical reaction.

◆ 2. Annealing

The material properties of the pre-treated steel sheet can be altered and improved through recrystallization during the annealing process.

◆ 3. Hot-Dip Galvanizing

After passing through the annealing furnace, steel sheets are dipped into a zinc pot where molten Zn is coated onto the surface. The desired coating weight is achieved by removing excess zinc before solidification with high-pressure air from an air knife.

◆ 4. Galvannealing

The surface of a steel sheet, after the air knife, can be coated with a zinc compound prior to reheating in an annealing process. Zn atoms diffuse into the Fe to create a Zn-Fe series alloy.

◆ 5. SPM & Chemical Treatment

In order to achieve a flat surface and an elegant finish, the steel sheet is processed with a skin pass mill. In order to prevent the white rust, which often forms on the surface of activated zinc, and to improve corrosion resistance, the surface is coated with a Cr-free resin.

◆ 6. Inspection & Coiling

Located at the line’s exit section are a side trimmer, inspection table, oil coating machine and coiling equipment. At this station, all products are inspected and judged relative to material specifications required by the customer.