Forged Steel Exhaust Diffuser Ring
Forged steel ring forming the diffuser section in gas turbine exhaust systems for industrial applications. Classified under HTS 8411.99.9081 as other steel forgings for non-aircraft turbines.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If welded or machined diffuser
Assembled or finished diffusers are other parts, not rough forgings.
If general pipe fittings
Diffuser rings resembling tube fittings classify in Chapter 73.
If for crystal pullers in semi mfg
Forgings for semiconductor crystal growers may fall under mixing machinery.
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Import Tips & Compliance
• Document aerodynamic profile specs to link to turbine exhaust flow path
• Comply with ASME pressure vessel codes if applicable to diffuser forgings
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