Water Gas Generator Ash Discharge Grate

Perforated rotating grate for intermittent ash removal from water gas generator beds during operation. A functional part of water process gas generators under HTS 8405.90.00.00.

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.

8431.49.90Same rate: 35%

If for parts of fuel preparation machinery

Fuel handling parts classify under Chapter 84 for solid fuel equipment.

7326.90.86Higher: 37.9% vs 35%

If generic steel grates

Plain metal items without specificity in Chapter 73.

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

• Prove grate's rotation mechanism ties to generator cycle; wear material analysis; common error: classifying as mining screen