Type 317LMN Boiler Economizer Tube
Seamless Type 317LMN stainless tube for boiler economizers recovering waste heat, with nitrogen-enhanced strength. Circular cross-section for flue gas heat transfer. Classifies under 7304.49.0045 as suitable for boilers despite economizer function.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If welded economizer tubing
Welded construction excludes from seamless heading.
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Import Tips & Compliance
• Nitrogen analysis proving LMN variant essential for classification
• Economizer qualifies as 'boiler' use per HTS language
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