Products Description
Zinc-aluminum-magnesium steel coil (zinc-magnesium-aluminum plate) is a new type of highly corrosion-resistant coated steel plate. The galvanized layer is mainly composed of zinc, which is composed of zinc plus 11% aluminum, 3% magnesium and trace amounts of silicon. The current thickness range can produce steel plates from 0.13mm to 6.00mm, and the production width range is from 580mm to 1600mm.
Hot-dip Zn-AL-MG alloy coated steel, also known as ZAM steel, is a new type of coating product. The zinc-aluminium-magnesium coating is a ternary alloy coating with zinc as the main component, and the content of aluminium and magnesium is between 1.5-8% (among which the magnesium content is not less than 0.2%). The magnesium in the coating is beneficial to promoting the formation of a very stable and well-organized and meticulous protective film, namely Hydrozincite ((Zn5 (OH)8Cl2 ‧H2O), which generates and maintains a film-like covering on the surface of the coating, thereby ensuring excellent corrosion resistance. Compared with traditional coatings such as GI and Aluzinc, ZAM alloy-coated steel is known for its superior corrosion resistance, formality, wear and scratch resistance and can be applied in a wide range of fields such as automotive, HAVC, solar photovoltaics, agriculture, high-speed guardrails, electrical cabinets, greenhouse structures, etc.
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Product Name |
Zinc-Aluminum-Magnesium Alloy Steel Coil |
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Standard |
JIS/ASTM/EN |
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Content |
Low AL&MG : Zn-(0.5-3%) Al-(0.4-2%)Mg Mid AL&MG: Zn-(3-13%) Al-(2-4%)Mg High AL Mid MG: Zn-(50-60%) Al-(2-4%)Mg |
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Grades |
DX51D+ZM/DX52D+ZM/DX53D+ZM |
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S220GD+ZM/S250GD+ZM/S280GD+ZM/S320GD+ZM/S350GD+ZM |
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S400GD+ZM/S550GD+ZM |
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HD300LAD+ZM/HD340LAD+ZM/HD380LAD+ZM HD420LAD+ZM/HD460LAD+ZM/HD500LAD+ZM/HD550LAD+ZM/HD700LAD+ZM |
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SGMCC+ZM/SGHCD+ZM/SGH340D+ZM/SGH400D+ZM/SGH490D+ZM/SGH540D+ZM |
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Coating |
ZM20-ZM600g/m2 |
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Spangle |
Regular spangle/ Zero spangle |
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Sizes |
Thickness 0.13-6mm Width: 580-1600mm |

Advantage of Mg-AI-Zn Coating:
1. Longer service life than other coated products.
2 Cut edge rust protection - the hallmark feature of azm.
3. Thinner coating yet more protection - ecologically friendly.
4. Excellent in severe environments - especially coastal and agricultural.
5. Eliminates the need for post dip (batch) galvanizing.
6. Superior forming ability due to coating characteristics Cost savings through longer service life and reduced maintenance.
7. Bridges the product gap between heavily coated galvanized and costly stainless steel.

Zinc Alloy Zn-Al-Mg Steel Coil Processing Service:
1. Steel coils,large coils cut into several small coils.
2. Steel coils cut to steel coil strip as customized width.
3. Steel coils cut to steel sheet as customized width and length.
4. Sheet and plate cut to machine parts as drawings.

Galvanized Magnesium Steel Plate Coil Package And Delivery:

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Packing |
First, we use anti-rust paper to pack it Then, cover the steel sheet over the anti-rust paper packing to avoid it to be rust Finally, put on steel pallet for easy unloading |
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Shipping |
20 feet container,Width under 2300mm, length under 5800mm |
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40 feet container,Width under 2300mm, length under 11800mm |
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bulk vessel,Freight charge is low by bulk cargo,and large heavy sizes can not be loaded into containers can shipping by bulk cargo |
Customer visit Case:

About GNEE STEEL:
As a Chinese steel company, GNEE Steel has more than 16 years of experience in the global steel trade field, providing professional, efficient and reliable steel supply solutions to steel mills and end users. We have established long-term cooperative relationships with more than 200 steel mills to ensure that these products are made of high-quality materials and comply with various international standards.

We are a team of dedicated, passionate and committed steel experts who continually strive to provide the best experience for all steel users and everyone in the supply chain. We provide you with technical support, third-party quality control services, steel marketing intelligence information, and many other value-added services. Please contact us today at gi@gneesteel.com and follow us on Facebook for the latest information.
Nowadays, the price of zinc-aluminum-magnesium steel coils is reasonable. If you have needs, please contact us.
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