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Thermal Spray Galvanizing at Madhu Metallizing India

Author: Sujan Sunder
by Sujan Sunder
Posted: Apr 24, 2025

Madhu Metallizing India Pvt Ltd, based in Bengaluru, is a leading provider of advanced surface engineering solutions, specializing in Thermal Spray Aluminizing (TSA) to protect metal components operating in high-temperature and corrosive environments. With over 20 years of experience, the company offers end-to-end anti-corrosion solutions, including sandblasting, spray galvanizing, stress relieving, and spray painting. ​

Understanding Thermal Spray Aluminizing

Thermal Spray Aluminizing is a coating process where aluminum, typically with 99.5% purity, is melted using an electric arc and atomized with compressed air. The molten aluminum is then sprayed onto a prepared metal surface, forming a dense, adherent layer that provides robust protection against oxidation and corrosion. ​

Key Benefits

  • Corrosion and Oxidation Resistance: The aluminum coating acts as a sacrificial anode, protecting the underlying metal from corrosive elements, especially in high-temperature settings. ​

  • High-Temperature Endurance: TSA coatings are effective in environments with temperatures up to 950°C, making them suitable for applications like industrial chimneys, mufflers, and boiler tubes. ​

  • Enhanced Durability: The process significantly extends the lifespan of metal components by providing a durable protective layer.​

  • Cost-Effectiveness: Compared to traditional methods, TSA offers a more economical solution for protecting metal surfaces without compromising performance. ​

  • Madhu Metallizing India Pvt Ltd, based in Bengaluru, offers specialized Thermal Spray Aluminizing (TSA) services to protect metal components operating in high-temperature and corrosive environments. With over 20 years of experience, the company provides end-to-end anti-corrosion solutions, including sandblasting, spray galvanizing, stress relieving, and spray painting. ​

    What is Thermal Spray Aluminizing?

    Thermal Spray Aluminizing is a coating process where aluminum, typically with 99.5% purity, is melted using an electric arc and atomized with compressed air. The molten aluminum is then sprayed onto a prepared metal surface, forming a dense, adherent layer that provides robust protection against oxidation and corrosion. ​

    Key Benefits:

    • Corrosion and Oxidation Resistance: The aluminum coating acts as a sacrificial anode, protecting the underlying metal from corrosive elements, especially in high-temperature settings. ​

    • High-Temperature Endurance: TSA coatings are effective in environments with temperatures up to 950°C, making them suitable for applications like industrial chimneys, mufflers, and boiler tubes. ​

    • Enhanced Durability: The process significantly extends the lifespan of metal components by providing a durable protective layer.​

    • Cost-Effectiveness: Compared to traditional methods, TSA offers a more economical solution for protecting metal surfaces without compromising performance.

Applications

TSA is ideal for components exposed to harsh conditions, including:​

  • Industrial chimneys and stacks​

  • Mufflers and exhaust systems​

  • Boiler tubes and heat exchangers​

  • Marine structures and subsea pipelines​

Standards and Process

Madhu Metallizing India adheres to international standards such as IS: 5905, BS: 2569 (Part I & II), and BS: 5493, ensuring consistent and high-quality results. The TSA process involves surface preparation, coating application, and post-coating testing to verify thickness, temperature, and profile measurements. ​

Contact Information

For more information or to request a quote, visit their official website.

About the Author

Madhu Metallizing India Pvt Ltd, established in August 2023, is a Bengaluru-based company specializing in advanced surface treatment and anti-corrosion solutions. Under the leadership of Managing Director D. R. Madhusudhan, the company offers

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Author: Sujan Sunder

Sujan Sunder

Member since: Apr 19, 2025
Published articles: 3

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