Hot Rolled Steel Round Bar 4340

Hot Rolled Steel Round Bar 4340

Galvanized steel pipe is made based on black welded pipe and dipped into zinc liquid then it gets a layer of zinc coating.
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Product Details

Today, our company continues to develop and grow, we learn from advanced technology in the same industry and improve it, so that our Q345D Low Temperature H Beams, GB Standard Carbon Steel C Channel Steel Beamss, A36 Mild Carbon Steel Angle Bars has unparalleled superiority. Since we are a professional company, we rely on our ability to provide you with the service and respect you deserve, and are very flexible to help you solve problems and provide you with products suitable for your application. We continue to deepen cooperation with key strategic partners, thereby promoting the improvement of industrial capabilities and business expansion to achieve common development.

Galvanized steel pipe is made based on black welded pipe and dipped into zinc liquid then it gets a layer of zinc coating. Hot dipped galvanized tube is with heavy zinc coating which makes the GI pipes anti-corrosion with longer service life. Galvanized steel has hot galvanized and electro-galvanized two types, hot dip galvanized has depth thickness, with coating uniformity, strong adhesion, long service life, and other advantages.

detailed description

Commodity

Hot Dipped 6 Inch Galvanized Steel Pipe

Outer Diameter

21.3mm-219.1mm

Wall Thickness

2.8-6.5mm

Length

5.8 meters, 6 meters

Grade

Q195, Q235, A53

Tolerance

Comply with the standard

Standards

GB/T3091-2008

Surface

Zinc coating


Thickness

Part zinc layer thickness/um

Average zinc layer thickness/um

Iron thickness≥6

70

85

3≤Iron thickness<6

55

70

1.5≤Iron thickness<3

45

55

Iron thickness<1.5

35

45

Cast iron thickness≥6

70

80

Cast iron thickness<6

60

70

This chart is normal require, the special products standard including different thickness level and other requirement, under this circumstance in this products not conflict with other products, can add thickness zinc require and other

product picturesour advantage

our advantage

quality control

quality control

packing and delivery

packing

mill and equipments

mill

certificate and customers

certificatecustomers

container loading capacity

container loading capacity

FAQ

FAQ-How to Prevent Steel Rusting

why choose us

why choose us

contact

Contact

more details of product

Hot-dipped galvanized steel pipe also called galvanized iron pipe. Hot dip galvanized pipe and two kinds of galvanized, hot dip galvanized zinc layer thickness, coating uniformity, strong adhesion and long service life. Electric galvanized the cost is low, the surface is not very smooth, its corrosion resistance than galvanized pipe.
Hot dipped galvanized steel pipe is made in the molten metal and iron substrate reaction and produce alloy layer. So that the substrate and coating combination of both. Hot dip galvanized steel pipes to pickling in order to remove iron oxide on the surface of the steel tube after acid cleaning, by ammonium chloride or zinc chloride or ammonium chloride and zinc chloride mixed aqueous solution tank cleaning, and then sent to the hot dip plating tank. Hot dip galvanized steel pipe with uniform coating, strong adhesion, long service life. Most of the northern process using galvanized with direct volume tube zinc supplementation.
Hot dip galvanized steel pipes are widely used in construction, machinery, coal, chemical, electric power, railway vehicles, automotive industry, roads, Bridges, containers, sports facilities, agricultural machinery, petroleum machinery, prospecting machinery and manufacturing industry.

As one of the market leaders of Hot Rolled Steel Round Bar 4340, we face the competition and challenges of international and local counterparts, but always have a higher market share than other competitors for our advantages. With the development of the times and the progress of the society, in order to make the products meet the new needs of development, our company always adheres to the development idea of 'enlighten new thinking and create a new century'. We use rigorous production and inspection to ensure that every detail of the product is meticulous. We sincerely hope that we can become long-term partners and permanent friends!

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