114.3 mm Alloy Steel Heavy Weight Drill Pipe from Japan
Heavy weight drill pipe (HWDP) of seamless alloy steel, 114.3 mm outside diameter with an 11 mm wall thickness, featuring upset ends for tool joint welding. Essential transition pipe between drill collars and regular drill pipe in oil and gas drilling, classified under tariff item 7304.23.00.
Duty Rate — Japan → Canada
0%
Import Tips
• Document the upset ends and heavy weight design to differentiate from standard drill pipe
• Provide alloy composition and mechanical property certificates
• Confirm the pipe's role in the drilling string for accurate classification