Aluminised Steel
Aluminized steel is a type of steel that has been coated with an aluminium-silicon alloy. This coating process provides the steel with enhanced properties such as heat resistance, corrosion resistance, and thermal reflectivity. The aluminium-silicon coating not only protects the steel from corrosion and oxidation but also imparts a high level of thermal reflectivity, making it particularly useful in applications involving heat. Aluminised is coated on both sides with an aluminium-silicon alloy. The coating is composed of 90% aluminium and 10% silicon.
Aluminised is particularly suitable for applications requiring high resistance to oxidation at high temperatures. Up to 450°C, the top surface of the Aluminised coating does not alter and the presence of silicon allows the coating to be used at temperatures as high as 650°C without flaking.
Quality Guide:
- Coating mass (grams per square metre) – AS060 (60g/m2) & AS150 (150g/m2)
- Protective coating – Chromate protected, chromium free and oiled, or untreated
- EN 10327: 2004 – Forming/Drawing Quality in DX51D+AS up to DX55D+AS
- EN 10346: 2009 – Structural steel in grades S220GD, S280GD, S320GD, S350GD
- EN 10346: 2009 – Micro-alloyed steel in grades HX260LAD+Z, HX300LAD+Z, HX340LAD+Z, HX380LAD+Z, HX420LAD+Z
Where this material is used
Automotive Industry
Used in exhaust systems where high temperature and corrosion resistance are crucial. The steel can handle the high temperatures of exhaust gases while preventing
Appliance Manufacturing
Common in the manufacturing of ovens, toasters, and other kitchen appliances where heat resistance is essential. Aluminized steel is often used in the interior panels of these appliances to reflect heat, improving energy efficiency.
Industrial Applications
Employed in industrial ovens, incinerators, and heat exchangers due to its ability to handle high temperatures and reflect heat.
Construction
Used in some roofing and siding applications for buildings that require reflectivity to keep interiors cool and reduce energy costs.
Fire Protection
The material is used in firewalls and other protective barriers within vehicles and buildings due to its heat-resistant properties.
Cookware and Bakeware
Aluminized steel is a popular material for baking sheets, pans, and other cookware because of its excellent heat distribution properties and resistance to warping under high temperatures.
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