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55% Aluminum-Zinc Alloy Coated Steel

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Cascadia Metals offers a wide selection of 55% Aluminum-Zinc Alloy-Coated Steel products. 55% Aluminum-Zinc Alloy-Coated Steel is cold-rolled carbon steel with a metallic coating composed of Aluminum (55%), Zinc (43.4%) and Silicon (1.6%). The generic product reference is 55% Aluminum-Zinc Alloy-Coated Steel, although there are trademarked names for the same product.

55% Aluminum-Zinc Alloy-Coated Steels coating out-performs galvanized steel at a rate of 2 - 6 times. 55% Aluminum-Zinc Alloy-Coated Steel is a favorite of architects due to its eye-catching aesthetics, long-lasting performance, design flexibility and the vast number of potential end-use applications.


  • Durability protected from corrosion in most end-use applications
  • Proven Performance backed by a limited performance warranty
  • Severe Conditions superior in most atmospheric conditions
  • Sustainability 100% recyclable with long service life
  • Flexibility can be formed into a wide variety of end-use applications
  • Low Maintenance easy to clean surface that is virtually maintenance free

Our 55% Aluminum-Zinc Alloy Coated
Steel meets ASTM A792 requirements.

So you can rest assured our product will meet all standard specifications per ASTM.


Chemical Treatment
A chemical surface treatment is available which consists of a thin, invisible, corrosion inhibiting, inorganic, chemical film applied on both sides of the metallic coated surface. This film is applied at the metallic coating line by dipping the steel strip into a solution of corrosion inhibiting chemicals. The chemically treated surface is much more resistant to staining that typically occurs in humid conditions during storage or transportation.
Resin Coating
A resin coating is also available on our 55% Aluminum-Zinc Alloy Coated Steel. This water-based resin coating is formulated to resist finger printing and scuffing during product handling, improves resistance to wet-stack stains occurring during transport and storage, and virtually eliminates the need for roll forming lubricants.
Coating Thickness
Available in AZ35, AZ50 and AZ55 coating weights.

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12266 68A Avenue Surry, BC V3W0X3
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