Turbines; parts of turbo-jets and turbo-propellers

HS v2017 Code: 841191

About turbines; parts of turbo-jets and turbo-propellers

hs code 841191 covers turbines, as well as parts of turbo-jets and turbo-propellers. These components are essential for the aviation and aerospace industries, powering a wide range of aircraft and providing the thrust necessary for flight. As a critical part of the global transportation infrastructure, the products under this code play a vital role in the broader economy, facilitating the movement of people and goods across borders and around the world.

Production process

The production of turbines, turbo-jets, and turbo-propellers involves complex engineering and manufacturing processes. Key steps include the design and fabrication of the turbine blades, which must be precisely engineered to optimize airflow and efficiency. The assembly of the various components, such as the compressor, combustion chamber, and exhaust nozzle, also requires specialized expertise and advanced machinery. Rigorous testing and quality control measures are essential to ensure the safety and reliability of these critical aviation components.

Production inputs

The manufacture of products under hs code 841191 requires a range of specialized inputs, including high-performance metals and alloys, such as titanium and nickel-based superalloys, which are chosen for their strength, heat resistance, and durability. Advanced manufacturing equipment, including computer-controlled machine tools and precision measurement devices, are also essential for the production of these complex components. Additionally, the industry relies on a highly skilled workforce with expertise in aerodynamics, materials science, and mechanical engineering.

Production outputs

The primary outputs of hs code 841191 are turbines, turbo-jets, and turbo-propellers, which are then incorporated into a wide range of aircraft, including commercial airliners, military jets, and helicopters. These components are also used in other applications, such as 841181 Turbines; parts of hydraulic turbines and water wheels, 841182 Turbines; parts of steam turbines and other vapor turbines, and 841280 Machinery; parts of engines and motors, not elsewhere specified or included.

Revisions to 841191

Classification codes are adjusted frequently. The code may have been revised or replaced between system versions. The table below shows the history (newest to oldest) of the code 841191. The most recent 1 version of this code (841191) is in the HS v2022 system:

This page shows a legacy version of code 841191 ( HS v2017).

Newer versions

Family tree for turbines; parts of turbo-jets and turbo-propellers

    graph LR
    A["<a href='/classifications/hs/v2017/84'>84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof</a>"]
A --> B["<a href='/classifications/hs/v2017/8411'>8411: Turbo-jets, turbo-propellers and other gas turbines</a>"]
B --> C["<a href='/classifications/hs/v2017/841191'>841191: Turbines; parts of turbo-jets and turbo-propellers</a>"]

    B --> D["<a href='/classifications/hs/v2017/841111'>841111: Turbo-jets; of a thrust not exceeding 25kN</a>"]
B --> E["<a href='/classifications/hs/v2017/841112'>841112: Turbo-jets; of a thrust exceeding 25kN</a>"]
B --> F["<a href='/classifications/hs/v2017/841121'>841121: Turbo-propellers; of a power not exceeding 1100kW</a>"]
B --> G["<a href='/classifications/hs/v2017/841122'>841122: Turbo-propellers; of a power exceeding 1100kW</a>"]
B --> H["<a href='/classifications/hs/v2017/841181'>841181: Turbines; gas-turbines (excluding turbo-jets and turbo-propellers), of a power not exceeding 5000kW</a>"]
B --> I["<a href='/classifications/hs/v2017/841182'>841182: Turbines; gas-turbines (excluding turbo-jets and turbo-propellers), of a power exceeding 5000kW</a>"]
B --> J["<a href='/classifications/hs/v2017/841199'>841199: Turbines; parts of gas turbines (excluding turbo-jets and turbo-propellers)</a>"]

    

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