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ChangZeng steel pipes manufacturer for channel

ChangZeng steel pipes manufacturer for channel

ChangZeng steel pipes manufacturer for channel

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Enterprise Strength
  • ChangZeng Metal gives priority to customers and makes effort to provide them with quality services.
Company Advantages
1. ChangZeng steel pipes must go through chemical analysis. Chemical substances such as Azo dyes, Formaldehyde, PCP (Pentachlorophenol), Nickel, and Cadmium are strictly analyzed.
2. The product is built to last for long during operation. It is able to withstand erosion, corrosion, fatigue, creep, and thermal shock throughout its life.
3. Shanghai ChangZeng Metal Co., Ltd. undertakes to ensure that its production complies with the quality assurance system.

Company Features
1. ChangZeng Metal is the perfect choice for those world famous brands of stainless steel square tubing .
2. We expect no complaints of steel pipes from our customers.
3. ChangZeng is going to increase its international fluency in steel tubing market. Contact us! At ChangZeng Metal, our Vision is to be the premier steel pipes company in domestic and global markets. Contact us! Improving service quality and meeting customer requirements are business goals of Shanghai ChangZeng Metal Co., Ltd. . Contact us! Shanghai ChangZeng Metal Co., Ltd. has strong ambition to serve customers well with the high quality steel pipes and considerate service attitude. Contact us!

Name of product: galvanized steel pipe
1) Material: Q195, Q215, Q235,Q345, STK500
2) Standards: GB/T3091-2001, BS1387-1985, ASTM A53
3) Use: Used for low pressure liquids conveyance, such as water, gas, and construction
4) Zinc coating: 300-400g/m2


If you are interested in our product,please do not hesitate to contact us,we are pleased to have a cooperation with you.

Photos of Galvanized steel Pipe



1. Steel pipe series: seamless steel pipes, hot rolled steel pipes, welded steel pipe, submerged-arc straight welding slit tubes, steel pipes complying with American standards and JIN standard ect.
2. Pipe fittings: elbows, flange, tees, tapered pipes etc..


At present, our company's yearly output is: for OD219-1820 spiral seam two-sided submerged-arc welding steel pipes: 200,000 tons; forOD57-377 hot rolled seamless steel pipes: 200,000 tons; for OD377-630 heat expanded seamless steel pipes: 60,000 tons. We carry out the standards of SY/T5037, GB/T9711, GB/T8163, API5L and APT5CT. Our products are widely applicable to long distance pipeline for transportation of petroleum, natural gas, coal gas and water, as well as the industries of petrol-chemical enterprises, craft pipe networks, city central heating projects, gas-pipe networks and others. Our products have many advantages such as high intensity, high pressure resistance, convenient installation, low cost and long lifetime. Therefore, they have gained a good reputation from many users'.


4. Standard

All of our products meet the standard ROHS.


ISO, ROHS, SGS certificates


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