Melted zinc-aluminum alloy coating processing | Surface treatment resistant to drug damage and salt damage
Melted zinc-aluminum alloy coating
Approximately six times the lifespan of conventional plating. High corrosion-resistant aluminum alloy plating that is strong against chemical and salt damage.
Melted zinc-aluminum alloy plating is a surface treatment process that applies an alloy coating consisting mainly of zinc, with 5% aluminum and 1% magnesium, after the standard hot-dip galvanizing. Compared to standard hot-dip galvanizing, it offers approximately six times the service life and is ideal for long-term use in harsh corrosive environments such as hot spring areas, coastal regions, and roads that use de-icing agents. Even if the plating film is damaged, it has self-repairing properties that make it difficult for red rust to occur, and its high film hardness makes it resistant to scratches, allowing it to maintain a beautiful appearance for a long time. It can be applied to steel materials and various steel products.
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basic information
Processing details: After hot-dip galvanizing, an alloy coating of zinc + 5% aluminum + 1% magnesium is applied. Service life: Approximately six times that of standard hot-dip galvanizing (according to salt spray test results). Features: Self-repairing, high hardness coating, long-term aesthetic maintenance.
Price information
We will provide a quote each time.
Delivery Time
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Applications/Examples of results
[Applications] Steel materials for roads and port facilities in coastal and shoreline areas / Road materials for snowy cold regions using de-icing agents / Drainage materials for hot spring areas and facilities handling chemical products / Materials near bridges and tunnels in environments with severe salt damage and corrosion / Products for public facilities requiring long-term maintenance-free solutions.
Detailed information
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After the hot-dip galvanizing treatment, an alloy coating is applied by adding aluminum and magnesium to the main component, zinc. *The color is an illustrative image for explanation.
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The color tone of plating has a silvery-white luster immediately after plating, which gradually turns into a matte gray over time.
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Sulfur Dioxide Test A test to investigate corrosion resistance in an environment assumed to be affected by sulfur dioxide gas and sulfurous gas from industrial areas and hot springs. Hot-dip galvanized: Red rust appears after 250 to 300 hours. Hot-dip galvanized aluminum alloy: More than 400 hours.
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Salt spray test Normal hot-dip galvanized coating: Red rust occurs after 500 to 1,000 hours Hot-dip galvanized aluminum alloy coating: No red rust occurs even after 5,000 hours.
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The test results of the cone spray indicate that the service life is approximately six times longer than that of standard hot-dip galvanized products.
Company information
This is a lightweight and strong grating called "High Ten Grating." We design, manufacture, and sell steel gratings, various types of gratings, ball protection guards, steel ditches (steel drainage ditches), and steel retaining walls. We contribute to "creating a gentle environment" with environmentally friendly sustainable gratings and our original products that incorporate innovative ideas. Certifications / Evaluations ISO 9001 Quality Management System Certification Public Building Evaluation Certificate JIS Mark Certification for Hot-Dip Galvanizing Plant Environmental Initiatives Low-carbon products (products using high-tensile steel) Disaster prevention and mitigation products SDGs environmental actions Chromate-free factory (hexavalent chromium free) SBT (Science Based Targets) Certification
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