OEM/ODM Supplier Cold Rolled Seamless Pipe - Galvanezed Seamless Steel Pipe – XUANZE

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OEM/ODM Supplier Cold Rolled Seamless Pipe - Galvanezed Seamless Steel Pipe – XUANZE Detail:

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Galvanized seamless steel pipe is hot-dip galvanized, so the amount of zinc plating is very high, the average thickness of zinc coating is more than 65 microns, and its corrosion resistance is much different than that of hot-dip galvanized pipe. The regular galvanized pipe manufacturer can use cold galvanized pipe as water and gas pipe. The zinc coating of cold galvanized steel pipe is electroplated layer, and the zinc layer is separated from the steel pipe substrate. The zinc layer is thin and easy to fall off because it is attached to the steel pipe substrate. Therefore, its corrosion resistance is poor. It is forbidden to use cold galvanized steel pipe as water supply steel pipe in new residential buildings.

Galvanized steel pipe is widely used in construction, machinery, coal mine, chemical industry, electric power, railway vehicles, automobile industry, highway, bridge, container, sports facilities, agricultural machinery, petroleum machinery, prospecting machinery and other manufacturing industries.

Hot dip galvanized steel pipe: hot dip galvanized pipe is to make molten metal react with iron matrix to produce alloy layer, so that the matrix and coating are combined. In order to remove iron oxide on the surface of steel pipe, after pickling, the steel pipe is cleaned by ammonium chloride or zinc chloride aqueous solution or mixed solution tank of ammonium chloride and zinc chloride, and then sent to hot-dip galvanizing tank. Hot dip galvanizing has the advantages of uniform coating, strong adhesion and long service life. The complex physical and chemical reactions between the substrate of hot-dip galvanized steel pipe and the molten bath lead to the formation of a zinc ferroalloy layer with a compact corrosion resistance structure. The alloy layer is integrated with pure zinc layer and steel pipe matrix, so its corrosion resistance is strong.

Cold galvanized steel pipe: cold galvanized pipe is electro galvanized, the amount of zinc plating is only 10-50g / m2, and its corrosion resistance is much different from that of hot-dip galvanized pipe. In order to ensure the quality, most of the regular galvanized pipe manufacturers do not use electro galvanizing (cold plating). Only those small-scale, old equipment of small enterprises to use galvanizing, of course, their prices are relatively cheap. The Ministry of construction has officially announced the elimination of backward cold galvanized pipes, and it is not allowed to use cold galvanized pipes as water and gas pipes. The zinc coating of cold galvanized steel pipe is electroplated layer, and the zinc layer is separated from the steel pipe substrate. The zinc layer is thin and easy to fall off because it is attached to the steel pipe substrate. Therefore, its corrosion resistance is poor. It is forbidden to use cold galvanized steel pipe as water supply pipe in new residential buildings.

OLYMPUS DIGITAL CAMERA

GALVANIZED SEAMLESS STEEL PIPE

Acid washing

Remove iron oxide on the surface of steel parts

Zinc chloride + Ammonium chloride

Wash in the mixed aqueous solution tank.

Hot dip plating

Hot-dip galvanized

Strong corrosion resistance.

The coating is uniform.

Strong adhesion.

Long lasting.

SIZE:

Outer diameter	13-508mm
Wall thickness	2.5-30mm
Length	6m & 12m

Wear resisting Self lubrication High chemical sability Various size and type

Spiral wire interface

Spiral wire coupling

APPLICATION

Bridge

Mechanical engineering

Product detail pictures:

Related Product Guide:
Member Cui Lun stated in the government work report: Recommendations for the construction of 3 to 4 leading domestic large-scale iron ore development enterprises.
China Iron Ore Price Index (CIOPI) daily report on April 15.

With dependable high quality approach, great reputation and excellent customer support, the series of products and solutions produced by our firm are exported to lots of countries and regions for OEM/ODM Supplier Cold Rolled Seamless Pipe - Galvanezed Seamless Steel Pipe – XUANZE , The product will supply to all over the world, such as: Kenya, Croatia, USA, They are sturdy modeling and promoting effectively all over the world. Never ever disappearing major functions within a quick time, it's a have to for you of fantastic good quality. Guided by the principle of "Prudence, Efficiency, Union and Innovation. the corporation. ake an excellent efforts to expand its international trade, raise its organization. rofit and raise its export scale. We are confident that we are going to have a bright prospect and to be distributed all over the world in the years to come.

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The customer service staff is very patient and has a positive and progressive attitude to our interest, so that we can have a comprehensive understanding of the product and finally we reached an agreement, thanks!