Specification

What is Zn-Mg-Al Steel Coil usually used for?

Zn-Al-Mg (Zinc-Aluminium-Magnesium) steel coils are a high-performance corrosion-resistant coated steel product, which is achieved by applying an alloying layer of zinc, 

aluminium and magnesium to the steel surface. This material is used in a wide range of applications due to its excellent corrosion resistance, processability and 

self-healing capabilities:

1.Construction industry: Due to its corrosion resistance and self-healing properties, Zn-Al-Mg steel coils are suitable for outdoor structures such as roofs, walls, 

bridges, etc. in the construction industry,providing long-term protection and aesthetic effects.

2.Automotive industry: In automotive manufacturing, Zn-Al-Mg steel coils are used to produce body panels and other structural components to reduce weight and 

provide corrosion resistance.

3.Automotive: In automotive manufacturing, Zn-Al-Mg steel coils are used to produce body panels and other structural components to reduce weight and provide 

corrosion resistance.

4.Appliance industry: For household appliances such as washing machines, refrigerators and microwave ovens, the use of Zn-Al-Mg steel coils provides additional 

durability and protection, especially in humid environments.

5.Agricultural applications: In agricultural equipment and structures such as barns, fences and farm machinery, the use of Zn-Al-Mg steel coils provides resistance 

to harsh weather and chemicals.

6.Infrastructure: In infrastructure projects such as street light poles, traffic signs and power towers, Zn-Al-Mg steel coils provide a durable, low-maintenance material option.

7.Industrial applications: In a variety of industrial applications, including storage tanks, piping and structural framing, Zn-Al-Mg steel coil's corrosion resistance and 

machinability make it an ideal material choice.

The coating of Zn-Al-Mg steel coils has a complex microstructure consisting of α, β, θ and π layers due to the addition of aluminium and magnesium. This structure 

provides additional protection by forming a dense layer of corrosion products in cuts and scratches.The Zn-Al-Mn layer is also a good candidate for the Zn-Al-Mn layer. 

In addition, the self-healing properties of Zn-Al-Mg coatings mean that when the coating is damaged, a new protective layer is formed, which slows or prevents 

further corrosion.Due to its excellent corrosion resistance, Zn-Al-Mg steel coils can be used as a cost-effective alternative to stainless steel or aluminium in 

some applications.

What issues should a user pay attention to when purchasing a ZAM Steel Coil?

Zinc, aluminum, and magnesium products are widely used. Different uses require different ordering standards, such as ① passivation + oiling, ② non-passivation + oiling, 

③ passivation + no oiling, ④ non-passivation + no oiling, ⑤ Resistant to fingerprints, so during small batch procurement and use, it is necessary to confirm the usage scenarios 

and surface delivery requirements with the supplier to avoid subsequent processing problems.

Production line

Examples of Zn-Al-Mg Steel Coil Applications

Zn-Al-Mg steel coils have a wide range of applications in the construction industry, and the following are some specific examples of applications:

1.Roofing and walling materials: Zn-Al-Mg steel coils are suitable for roofing and walling materials in buildings due to their corrosion resistance and self-healing properties. These materials provide long-term protection and 

aesthetic benefits, especially in severe weather conditions.

2.Highway guardrails: Zn-Al-Mg steel sheets can be used for the production of highway guardrail panels. The corrosion resistance and self-healing properties of this material make it ideal, 

especially in coastal or industriallypolluted areas.

3.Photovoltaic mounts: Zn-Al-Mg steel coils are widely used in the production of photovoltaic mounts for their excellent corrosion resistance in the harsh environments of photovoltaic power 

stations in deserts, beaches, the Gobi and other harsh environments, which ensures the long term stability of the photovoltaic system.

4.Steel building: Zn-Al-Mg steel coils are also used in steel buildings, such as industrial plants, warehouses, etc., to provide corrosion-resistant steel frames.

5.Bridge construction: In bridge construction, Zn-Al-Mg steel coils can be used as structural materials for bridges, especially where corrosion resistance and extended maintenance cycles are 

required.

6.Railway and housing structures: Zn-Al-Mg steel coils are also used in the construction of railway and housing structures to provide the necessary corrosion resistance and structural strength.

7.Power equipmen: In the field of power communications, Zn-Al-Mg steel coils are used in the production of high and low-voltage switchgear for traffic distribution, the outer body of box-type 

substations, etc. These applications require materials with good corrosion resistance and protective properties.

8.Agricultural projects: In agricultural projects, such as agricultural feeding sheds, structural steel fittings, greenhouses, etc., the use of Zn-Al-Mg steel coils can provide additional durability and protection, especially in wet or chemical-exposed environments.

9.Industrial refrigeration: In the field of industrial refrigeration, such as cooling towers, large outdoor industrial air conditioners, etc., the use of Zn-Al-Mg steel coils can resist corrosion and 

extend the service life of the equipment.

Company Profile

Tianjin Yuantai Derun Steel Pipe Manufacturing Group Co., Ltd. includes 10 subsidiaries. It deserves a large united enterprise group with a registered fund of USD 65 million and fixed 

assets of USD 3.5 billion. Yuantai Derun is a professional manufacturer of hollow sections, ERW pipe, galvanized pipe and spiral pipe in China and is one of "The top 500 

manufacturing enterprises” in China, annual output reaches 10 million tons.

Yuantai Derun has 7 production plants including 59 production lines of black ERW pipe, 10 production lines of galvanized pipe, 3 production lines of spiral welding pipe,1 production 

lines of JCOE LSAW pipe. Total plants area covers 900 acres.Square pipe from 10*10*0.5mm~1000*1000*60mm, rectangular pipe from 10*15*0.5mm~1000*1100*60mm, Circular 

pipe from 3/4”x0.5mm~80”x40mm,LSAW steel pipe from Ø355.6~Ø2032mm,spiral pipe from Ø219~Ø2032mm, can be manufactured. Yuantai Derun can manufacture square rectangular

pipe as per standards of ASTM A500/501,JIS G3466, EN10219, EN10210,AS1163.

Yuantai Derun has the biggest square rectangular pipe stock in China which can meet customer’s direct procurement requirement. Years of technology accumulation makes Yuantai 

Derun possessing a wealth of production experience which can greatly shorten the development and production cycle of non-standard steel pipe and speed up the delivery time of 

customized products. At the same time Yuantai Derun also pays attention to advanced technology research and production use of advanced equipment, the production lines 

of 500*500mm, 300*300mm and 200*200mm are the most advanced equipment in China which can realize the electronic-controlling automation from the forming to the finishing.

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