Turbine Casing Segments

Segmented high-pressure casings that contain turbine stages in non-aircraft gas turbines for electricity generation. Cast from high-strength steel alloys with machined mounting flanges. Classified HTS 8411.91.90.40 for non-aircraft turbine components.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8411.99.90Higher: 37.4% vs 35%

If industrial gas turbine casings not for turbojets

Other gas turbine parts in 8411.99 vs turbojet/turboprop specific in 8411.91.

7325.99Lower: 12.9% vs 35%

If unfinished cast steel housings

Cast articles of iron/steel classify under 7325 before turbine-specific finishing.

8502.31.00Higher: 37.5% vs 35%

If part of complete generating sets

Generator set parts may classify under Chapter 85 when supplied as matched sets.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Supply CAD models showing casing internal geometry matching turbine rotor profile

Certify pressure containment ratings suitable only for industrial turbine operating conditions

Related Products under HTS 8411.91.90.40

Turbine Blade Cooling Inserts

Internal inserts that enhance air cooling passages within turbine blades of non-aircraft gas turbines. Made from porous high-temperature alloys for power generation service. HTS 8411.91.90.40 includes these specialized non-aircraft turbine parts.

Turbine Interstage Seals

Labyrinth seals preventing gas leakage between turbine stages in non-aircraft gas turbines for oil & gas compression. Manufactured from abrasion-resistant alloys with precise tooth geometry. HTS 8411.91.90.40 covers non-aircraft turbine sealing parts.

Turbine Blade Root Fixtures

Specialized fixtures and locking hardware securing turbine blade roots in rotor disks of non-aircraft gas turbines. High-strength alloys preventing blade release under centrifugal loads. HTS 8411.91.90.40 includes these retention parts.

Gas Turbine Torque Tubes

Hollow torque transmitting tubes connecting turbine stages in non-aircraft gas turbines for mechanical drive applications. Precision balanced alloy tubes for petrochemical service. Under HTS 8411.91.90.40 as non-aircraft turbine parts.

Turbine Rotor Blades

High-precision rotor blades designed for non-aircraft gas turbines used in power generation plants. These blades are made from heat-resistant alloys to withstand extreme temperatures and rotational speeds in turbine engines. Classified under HTS 8411.91.90.40 as essential parts of non-aircraft turbines.

Gas Turbine Combustion Liners

Cylindrical liners that line the combustion chamber of non-aircraft gas turbines, protecting the casing from high-temperature gases. Constructed from nickel-based superalloys for industrial power generation applications. Falls under HTS 8411.91.90.40 as specialized parts of non-aircraft turbines.