Q125 High Collapse Casing 4 inch Alloy from United States
4 inch outside diameter Q125 grade seamless alloy steel casing with proprietary high collapse strength and a 9.3 mm wall thickness for high-pressure, high-temperature (HPHT) wells. Meets API 5CT premium class, classified under tariff item 7304.23.00.
Duty Rate — United States → Canada
50%
Rate breakdown
26SUR5050%United States Surtax Order (2026) — 50% on US products
Import Tips
• Clarify whether the casing is used as drill pipe; if not, it may be classified under a different heading
• Provide Q125 grade and API 5CT certification
• Verify the HPHT application to support the tariff classification