HS 7325-99-10-00 – The following, to be employed in the exploration, discovery, development, maintenance, testing, depletion or production of oil or natural gas wells or potash or rock salt deposits: Flanged casing heads; Screwed casing heads for surface casings of an external diameter exceeding 273 mm, or rated for service in working pressures exceeding 14 MPa W.O.G. (water, oil, gas)

Tariff data as of T2026-2, effective Sept 1, 2026, last verified Oct 21, 2026

US-origin goods: 50% surtax (United States Surtax Order (Steel and Aluminum 2025), as amended, SOR/2025-95 as amended by SOR/2026-187, in force Sep 8, 2026)

Other cast articles of iron or steel. › Other › The following, to be employed in the exploration, discovery, development, maintenance, testing, depletion or production of oil or natural gas wells or potash or rock salt deposits: Flanged casing heads; Screwed casing heads for surface casings of an external diameter exceeding 273 mm, or rated for service in working pressures exceeding 14 MPa W.O.G. (water, oil, gas)

MFN duty rate

Free

GST

5%

Unit of measure

KGM

The following, to be employed in the exploration, discovery, development, maintenance, testing, depletion or production of oil or natural gas wells or potash or rock salt deposits: Flanged casing heads; Screwed casing heads for surface casings of an external diameter exceeding 273 mm, or rated for service in working pressures exceeding 14 MPa W.O.G. (water, oil, gas)

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Preferential tariff rates

• UST/CUSMA (US): Free
• Ukraine: Free
• Peru: Free
• Iceland: Free
• Jordan (JT): Free
• Commonwealth Caribbean Countries Tariff (CCCT): Free
• MXT/CUSMA (Mexico): Free
• Chile: Free
• Costa Rica (CRT): Free
• Korea: Free
• CPTPP – United Kingdom (CPUKT): Free
• CETA: Free
• Honduras (HNT): Free
• Israel (CIAT): Free
• LDCT: Free
• UK: Free
• GPT: Free
• Colombia: Free
• CPTPP: Free
• Panama (PAT): Free
• Switzerland–Liechtenstein (SLT): Free
• Norway (NT): Free

Preference requires qualifying origin and origin proof or certification.

Frequently asked questions

What is the MFN duty on The following, to be employed in the exploration, discovery, development, maintenance, testing, depletion or production of oil or natural gas wells or potash or rock salt deposits: Flanged casing heads; Screwed casing heads for surface casings of an external diameter exceeding 273 mm, or rated for service in working pressures exceeding 14 MPa W.O.G. (water, oil, gas) (HS 7325-99-10-00)?

The T2026-2 MFN rate for tariff item 7325.99.10 is Free. Specific or compound rates require manual calculation. Classification and origin must be verified with CBSA.

What is the duty on HS 7325-99-10-00 from the US?

Qualifying US-origin goods with origin proof use UST/CUSMA at Free. US-origin goods: 50% surtax (United States Surtax Order (Steel and Aluminum 2025), as amended, SOR/2025-95 as amended by SOR/2026-187, in force Sep 8, 2026) GST/HST and any applicable personal-import provincial tax are additional.

Which trade agreement rates apply to HS 7325-99-10-00?

UST/CUSMA (US): Free; Ukraine: Free; Peru: Free; Iceland: Free; Jordan (JT): Free; Commonwealth Caribbean Countries Tariff (CCCT): Free; MXT/CUSMA (Mexico): Free; Chile: Free; Costa Rica (CRT): Free; Korea: Free; CPTPP – United Kingdom (CPUKT): Free; CETA: Free; Honduras (HNT): Free; Israel (CIAT): Free; LDCT: Free; UK: Free; GPT: Free; Colombia: Free; CPTPP: Free; Panama (PAT): Free; Switzerland–Liechtenstein (SLT): Free; Norway (NT): Free. Preferential treatment requires qualifying origin and certification. Rates are informational; CBSA is authoritative.