High Temperature Industrial Fans: Material Selection from 200°C to 600°C

 Mild steel (IS 2062) covers fan duties to about 425°C, but enters the creep range above roughly 370°C – continuous service there needs SS 304H or a chrome-moly grade. From 425°C to 550°C, stabilised SS 321 replaces plain SS 304, which sensitises at the welds. SS 310S or 253 MA covers 550-600°C and above.

Most plants never actually choose a fan material. They inherit one.

The old fan was mild steel, so the replacement is ordered in mild steel – even though the process was upgraded two years ago and the duct now runs 120°C hotter.

That is how high temperature industrial fans fail early. Not from bad aerodynamics, but from the wrong metal. And because the failure is slow, nobody links it back to a purchase decision made three years earlier.

Read More: https://mittalblowers.com/blog/high-temperature-industrial-fans-200c-to-600c-materials/ 






Location: Ahmedabad, Gujarat, India

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