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Tianjin Yuantai Derun Pipe Manufacturing Group Co., Ltd., established in March 2002, is the biggest manufacturer specializing in  ERW square&rectangular tube/pipe, hollow section structure pipe, galvanized pipe and spiral welding pipe in China. Annual output reaches 5 million tons.Yuantai Derun has 59 production lines of black ERW pipe, 10 production lines of galvanized pipe and 3 production lines of spiral welding pipe. Square pipe from 20*20*1mm to 500*500*40mm, rectangular pipe from 20*30*1.2mm to 400*600*40mm,  welded pipe from 2”—60” can be manufactured. Yuantai Derun can manufacture square rectangular pipes as per the standards of ASTM A500, JIS G3466, EN10219, DIN2240, BS1387, AS1163.

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January 1993

Key team members of Yuantai Derun group began technical job in Tianjin Daqiuzhuang tube factory.

June 2002

Tianjin Yuantai Industry & Trade Co., Ltd. was founded, specialize in square, rectangular hollow steel pipe, hot galvanized welded (hot dip galvanized) square tube, the registered capital is USD 10 million.

May 2004

One of Yuantai subsidiaries Tangshan Lituo Steel Tube Co., Ltd. was established, specialize in square rectangular straight welded hollow steel pipe, registered capital is USD 10 million.

April 2005

Yuantai Steel Square Pipe Co. Ltd. was established, specialize in square welding hollow steel tube and galvanized tube, the registered is USD 2 million.

March 2010

Tianjin Yuantai Runxiang commercial trade company was established, specialize in strip steel trade, galvanized pipe agent, etc., the registered capital is USD 2 million.

March 2010

Tianjin Yuantai Derun pipe manufacturing group Co. Ltd. was formally established, marking that the production of high-frequency welded black, galvanized square pipe, spiral welded pipe, pipe logistics and pipe trade as one of the large-scale joint enterprise Yuantai Derun group was formally established, the group registered capital is USD 20 million.

March 2010

Tianjin Yuantai Derun Investment Co., Ltd. was formally established, specialize in steel pipe industry chain,lower industry mergers and acquisitions and industrial real estate development, the registered capital is USD 2 million.

August 2013

Tianjin Derun Runfeng pipe manufacturing Co. Ltd was established, specialize in hot galvanized (hot galvanizing) processing business, the registered capital is USD 8 million.

March 2015

Tianjin Yuantai Yuanda anti-corrosion insulation pipe Co., Ltd. was established, specialize in spiral welded pipe production and sales, the registered capital is USD 2 million.

August 2015

Tangshan Yuantai Derun Pipe Co., Ltd. was established, specialize in steel strip, steel pipe trade, registered capital is USD 1 million.

March 2016

Tianjin Yuantai Derun International Trade Co., Ltd was established,mainly engaged in international import and export business for Yuantai Group, registered capital is USD 2 million.

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Comparative Advantages of Zinc-Magnesium-Aluminum Square Tubes and Ordinary Galvanized Square Tubes-news-TIANJIN YUANTAI DERUN PIPE MANUFACTURING GROUP CO., LTD-
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Comparative Advantages of Zinc-Magnesium-Aluminum Square Tubes and Ordinary Galvanized Square Tubes
Comparative Advantages of Zinc-Magnesium-Aluminum Square Tubes and Ordinary Galvanized Square Tubes

In the realm of construction and engineering, the choice of materials plays a crucial role in determining the durability, longevity, and sustainability of structures. Two materials that have gained significant attention are Zinc-Magnesium-Aluminum (Zn-Al-Mg) square tubes and traditional Galvanized square tubes. This article will explore the advantages of both materials, providing a comprehensive comparison to aid in material selection for various applications.


Zinc-Magnesium-Aluminum Square Pipes:


High Strength-to-Weight Ratio: Zn-Al-Mg square tubes are known for their high strength-to-weight ratio, making them ideal for applications where weight reduction is critical. This alloy, with zinc for corrosion resistance, aluminum for strength, and magnesium for machinability, creates a material that is not only durable but also easy to work with.

Corrosion Resistance: Zn-Al-Mg tubes exhibit outstanding corrosion resistance, which is a significant advantage in environments prone to moisture and salt exposure, such as marine and coastal regions. The surface of the alloy forms a protective oxide layer that prevents further corrosion, ensuring the longevity of the structure.

Self-Healing Ability: Zn-Al-Mg coatings have a self-healing mechanism that repairs damage through the reaction of zinc and aluminum with moisture and oxygen in the environment, forming a dense hydroxide layer that prevents further corrosion and damage.

Environmental Friendliness: Zn-Al-Mg tubing is an environmentally friendly choice due to its recyclability and the reduced need for maintenance, which results in less waste and a smaller carbon footprint.

Cost-Effectiveness: The use of Zn-Al-Mg materials can reduce costs by extending the life and reducing maintenance requirements, making them a cost-effective solution in the long term.


Ordiandy Galvanized Square Pipes:


Exceptional Strength and Durability: Galvanized square tubes are made from high-quality steel coated with a layer of zinc, providing excellent corrosion resistance. This makes them ideal for outdoor structures exposed to harsh weather conditions, with the galvanized coating acting as a protective barrier against rust.

Versatility: Galvanized square tubes can be easily fabricated into various shapes and sizes, making them suitable for a wide range of applications, from constructing buildings and bridges to fences.

Cost-Effectiveness: Although the initial cost of galvanizing may be slightly higher, the long-term savings are significant. The galvanized coating provides a maintenance-free solution, reducing maintenance costs and extending the lifespan of the structure.

Fire Resistance: Galvanized square tubes offer excellent fire resistance due to the high melting point of the zinc coating, making them a preferred choice for structures requiring a high level of fire safety.

Sustainability: Galvanized square tubes are environmentally friendly, as the zinc coating used in the galvanizing process is 100% recyclable, contributing to sustainability in structural engineering projects.


Both Zinc-Magnesium-Aluminum square tubes and Galvanized square tubes offer unique advantages that make them suitable for various applications. Zn-Al-Mg tubes excel in high-strength, corrosion resistance, and self-healing capabilities, while galvanized tubes provide exceptional strength, versatility, and fire resistance. The choice between the two materials will depend on the specific requirements of the project, including factors such as environmental conditions, weight considerations, and sustainability goals.


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