Zn-Al-Mg Steel Coil
ZAM coated coil with a self-healing cut edge and less coating weight per year of life
Specifications
Zinc Aluminum Magnesium AZM Coated Steel Coil
The zinc aluminum magnesium coated line inside the steel coil range for outdoor structures that outlive a plain zinc coating
Zn-Al-Mg steel coil is the zinc aluminum magnesium coated line within the steel coil range, and it is the material quoted elsewhere as Al Zn Mg or AZM coating steel coil, zinc aluminum magnesium steel coil, aluminum zinc magnesium steel coil and galvanized aluminum magnesium steel coil. The coating is mainly zinc, built up with aluminum, magnesium and a small amount of silicon, which makes it a newer class of corrosion resistant coated steel coil rather than another variation of ordinary galvanizing. Roll formers and panel makers turn to it when the answer to a harsh site has been to keep raising the zinc coating weight and the coating chemistry should be doing that work instead. The single coil item in this category is supplied slit and cut to the width and length your forming line runs.
Full Range
All 1 Products in Zn-Al-Mg Steel Coil
The zinc aluminum magnesium coated line inside the steel coil range for outdoor structures that outlive a plain zinc coating
Problems Solved
What This Range Is For
Corrosion Life Chased With Coating Weight Alone
The usual response to a coastal or agricultural site is a heavier zinc layer, which adds cost and makes forming harder. A coating alloyed with aluminum and magnesium changes the chemistry instead of the thickness.
Coating Names That Do Not Match Between Quotes
The same coil arrives quoted as AZM, Zn-Al-Mg, zinc aluminum magnesium and aluminum zinc magnesium coil, so buyers compare offers that are actually the same material. One name in this category removes the guesswork.
Only Two Coated Options on the Approved List
Many purchasing specifications still carry hot dip galvanized and nothing else. Adding a zinc aluminum magnesium coated coil gives a third option for the parts of a structure that fail first.
Coil Widths That Need a Second decoiling Pass
Buying a standard width and decoiling it again locally costs a handling stage and creates edge scrap. Coil released at your running width goes straight onto the forming line.
Who Buys It
Buyers Who Order From This Range
- Roll forming plants producing roofing and cladding profiles for exposed sites
- Solar mounting and racking fabricators specifying coated coil for ground and rooftop structures
- Agricultural building and livestock housing manufacturers working in ammonia rich environments
- Ducting cable tray and enclosure makers who need a coated substrate that survives forming
- Panel and sandwich board producers sourcing a coated steel skin
- Coil service centers offering an alternative to plain galvanized stock
Core Advantages
Why Source This Range From Tianyu Metal
Coating Alloyed Not Just Thickened
Zinc remains the main constituent but aluminum, magnesium and a small amount of silicon are added, so the protection is designed into the coating composition.
One Item Behind Four Trade Names
AZM coating steel coil, zinc aluminum magnesium steel coil, aluminum zinc magnesium steel coil and galvanized aluminum magnesium steel coil are all this coil, quoted once.
A Third Route Beside Galvanized Coil
It sits in the same steel coil range as the conventional coated products, so you can trial it on the exposed elements of a structure while the rest stays on existing stock.
Slit and Cut to the Forming Line
Coil is released at your width and, where you need flat material, cut to length, which removes the local decoiling stage before roll forming.
Coating Composition Stated on the Order
The coating is described by what is in it rather than by a marketing name, so an engineer can check it against the environment the structure sits in.
Documented With the Shipment
A mill test certificate to EN 10204 accompanies the coil so the coated substrate on the line matches the one that was approved.
Application Scenarios
Where This Range Ends Up
Roofing and Wall Cladding Profiles
Trapezoidal and standing seam profiles on industrial and agricultural buildings where the roof is expected to stay in service without recoating.
Solar Mounting and Racking Components
Purlins, rails and mounting legs on ground mount arrays and rooftop systems that sit outdoors and cannot easily be maintained.
Agricultural and Livestock Buildings
Frames, partitions and housing panels in barns and sheds where moisture and ammonia attack ordinary coated steel.
Air Handling Ducting and Cable Tray
Formed and folded components where the coating has to survive bending and punching without flaking at the worked edges.
Highway and Site Structures
Fencing, posts and roadside fittings that are installed once and then left in the weather with no protective maintenance.
Buying Guide
What To State When You Order
Ask for it by name as Zn-Al-Mg or AZM coated steel coil so it is not substituted with plain galvanized or aluminum zinc coated coil
State the base steel grade and the coil thickness and width, plus the coil inside diameter your decoiler accepts
Say what happens downstream, roll forming, pressing, punching or welding, so the coating condition suits the process
Confirm the surface you need, bare coated or oiled, and whether you want a protective film for transit and site handling
Give a cut length if you want flat sheet rather than coil so the material arrives in the form your press takes
Ask for the mill test certificate and state packing and edge protection for the sea leg so coil edges arrive undamaged
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Zn-Al-Mg Steel Coil FAQ
What exactly is Zn-Al-Mg steel coil?
It is a corrosion resistant coated steel coil whose coating is mainly zinc, composed of zinc plus aluminum, magnesium and a small amount of silicon. The alloying is what distinguishes it from a coating of zinc alone.
Is AZM coated coil the same product?
Yes. Al Zn Mg or AZM coating steel coil, zinc aluminum magnesium steel coil, aluminum zinc magnesium steel coil and galvanized aluminum magnesium steel coil all refer to this coil.
How does it differ from ordinary galvanized coil?
Ordinary galvanized coil carries a zinc coating. Here aluminum, magnesium and a small amount of silicon are added to that zinc, which is why it is described as a new type of corrosion resistant coated steel coil rather than a galvanized variant.
Can the coil be roll formed and punched?
It is bought for formed products such as profiles, rails and trays. Tell us the forming, punching or welding you do downstream and we will confirm the condition the coil should be released in.
Do you supply flat sheet as well as coil?
Coil can be cut to length so you receive flat material at your working size instead of feeding a decoiler. Give the sheet length and width with the order.
Will we get documentation for the coating?
A mill test certificate is issued with the shipment. Ask for the mill test certificate on the order so the paperwork travels with the coil rather than following later.
Get a Quotation on Zn-Al-Mg Steel Coil
Tell us ask for it by name as Zn-Al-Mg or AZM coated steel coil so it is not substituted with plain galvanized or aluminum zinc coated coil and we will come back with price, availability and what the mill test certificate will show for zn-al-mg steel coil.