Greene Tweed HVOF Thermal Spray System from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Document spray rates (kg/hr) and particle velocity specs
• Hazardous material declarations for carbide powders
• Distinguish electric vs pure combustion systems