Oilfield Cementing Head

Cementing head manifold for pumping cement plugs into oil/gas well casings during completion (8428). Releases darts/plugs for zonal isolation. Specialized for 8431.39.0050.

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.

8474.31.00.00Same rate: 35%

If concrete mixers

Mixing/kneading for cement if not wellhead-specific.

7307.23.00Higher: 40% vs 35%

If stainless steel casing fittings

Pipe fittings if cementing function secondary.

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

API 10D casing cert; pressure/volume calcs provided

Pitfall: Mixing equipment under 8474

Related Products under HTS 8431.39.00.50

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Replacement piston assembly designed specifically for mud pumps used in oil and gas drilling rigs under heading 8428. It handles high-pressure abrasive drilling fluids to circulate mud during borehole excavation. Classified under 8431.39.0050 as a part solely for oil and gas field machinery of 8428.

Rotary Drilling Swivel

Swivel mechanism connecting the rotary hose to the drilling kelly on oil and gas rigs, allowing rotation while transmitting mud flow (heading 8428). It supports the drill string weight and enables continuous drilling operations. Fits 8431.39.0050 as exclusive part for oilfield machinery.

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Wear-resistant bushing for the kelly drive system in rotary oil drilling rigs (8428), transmitting torque from turntable to drill pipe. Made from hardened steel for harsh downhole conditions. Principal use qualifies it for 8431.39.0050 oil/gas parts.

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Top Drive Gearbox Housing

Cast housing for gearbox in top drive drilling systems used on oil/gas rigs (8428), housing gears for rotating drill string. Designed for high-pressure, corrosive environments. Exclusive to oilfield qualifies for 8431.39.0050.

Blowout Preventer Accumulator Rack

Mounting rack for hydraulic accumulators in blowout preventer (BOP) stacks on oil/gas wells (8428 machinery). Ensures emergency pressure for well control. Fits 8431.39.0050 as dedicated oilfield safety part.