Aluminize

Steel Type

Aluminize (AL) steel is coated with a layer of aluminum to enhance resistance to corrosion and high heat. This process, called aluminizing, is most commonly performed via Hot-Dip Aluminizing at 650–700°C.

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Manufacturing Process

1

Surface Preparation (Surface Preparation)

Clean and acid-treat the surface to prepare it for coating
2

Hot-Dip Aluminizing (Hot-Dip Aluminizing)

Dip in molten aluminum bath at 650–700°C
3

Annealing (Annealing)

Anneal to improve ductility and coating durability

Properties

Corrosion Resistance

Aluminum layer provides excellent rust and corrosion protection
Heat Resistance

Suitable for applications exposed to high temperatures
Heat Reflection

Aluminum reflects heat well, reducing heat accumulation

Applications

Automotive Industry — Exhaust pipes and components exposed to high temperatures
Construction Industry — Roofing and wall cladding requiring corrosion and heat resistance
Energy Industry — Oil and gas pipelines and power plants
Manufacturing Industry — Equipment requiring corrosion and heat resistance

Summary

Aluminize steel offers high resistance to corrosion and heat. The aluminizing process gives it outstanding properties suited for harsh operating environments, with broad application across many industries.

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