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Alupur® is a steel substrate coated on both sides with pure aluminium.
Advantages
Alupur® has very good corrosion resistance in all environments (urban, industrial and marine), even in the presence of heat. It can also withstand aggressive combustion products. Alupur® coated steels also offer good thermal and light reflectivity, 83% when new, 71% after ageing. The coating can be used at temperatures as high as 1100°C.
Applications
The Alupur® range is used in many indoor and outdoor applications, the most common being:
Miscellaneous: boiler casings, HVAC equipment, tanks, exhaust systems etc
Its resistance to high temperatures combined with good resistance to aggressive combustion products makes Alupur® an excellent solution for many applications in power plants and the petrochemical industry.
Alupur® can be supplied oiled and/or passivated, or with an Easyfilm® thin organic coating (please see data sheet E80 for the specific properties of Easyfilm®).
Under certain conditions, Alupur® is suitable for food contact, as specified in the Regulation (EC) No. 1935/2004 and French standard NF A 36-712-2. Please contact us for further information on this subject.
Recommendations for use
Alupur® must be transported and stored in a sheltered, moisture-free environment.
Alupur® can be bent, roll formed and seamed without risk of damaging the coating, provided that certain precautions are taken, particularly with regard to bending radii.
Thickness (mm)
Bending radius (indicative values)
th ≤ 0.80
1 x thickness
0.80 < th ≤ 1.25
2 x thickness
1.25 < th ≤ 1.50
3 x thickness
1.50 < th ≤ 2.00
4 x thickness
The aluminium coating precludes direct contact with:
Copper and its alloys
Uncoated steel
Run-off water that has been in contact with these materials
Roofing
Please consult the CSTB Technical Advice document 5/85-502.
Fastening components
In order to ensure that Alupur® products retain their appearance over time, it is recommended to use fasteners with high durability, made from materials such as stainless steel or aluminium.
Alupur® can also be painted after appropriate degreasing and chemical surface treatment.
All details provided in the ArcelorMittal Flat Carbon Europe S.A. catalogue are for information purposes only. ArcelorMittal Flat Carbon Europe S.A. reserves the right to change its product range at any time without prior notice.
Related files on this product in our document centre
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