Greene Tweed HVOF Thermal Spray System from Japan
High-velocity oxy-fuel (HVOF) spray machine for applying wear-resistant carbide coatings to oilfield drill bits using electric plasma-assisted combustion. HTS 8515.80.00 covers the electric apparatus component for hot spraying cermets and metals. Achieves coating hardness >1200 HV.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document spray rates (kg/hr) and particle velocity specs
• Hazardous material declarations for carbide powders
• Distinguish electric vs pure combustion systems