4-1/2 Inch 13Cr Welded Stainless Casing
4-1/2 inch 13Cr (13% chromium) welded stainless steel casing for corrosive CO2 environments in enhanced oil recovery wells. Welded with low-hydrogen processes for toughness.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | +50.0% | 50% |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the casing is seamless
Seamless casing and tubing of iron or steel falls under heading 7304.
If the casing is welded but not stainless steel
Welded casing of other iron or steel is classified under this item.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Confirm the casing is welded and made of 13% chromium stainless steel
• Provide a mill certificate showing the chromium content and welding process
• Ensure compliance with Canadian standards for corrosive environments
Related Products under Tariff item 7306.21.00
13-3/8 Inch 72# P110 Stainless Steel Casing
Heavy-duty 13-3/8 inch OD, 72 lb/ft welded stainless steel casing with premium P110 grade and threaded couplings for deep oil well applications. Used to stabilize boreholes in high-pressure environments.
13-3/8 inch L80 Stainless Steel Drilling Tubing
Welded stainless steel tubing with 13-3/8 inch outer diameter and L80 grade, designed for intermediate casing and production tubing in oil/gas wells. Classified under this item due to its welded construction and stainless steel composition.
13-3/8 Inch N80-Type Welded Stainless Casing
13-3/8 inch welded stainless steel casing equivalent to N80 grade for surface casing in onshore oil drilling, offering high collapse resistance and weld seam integrity. Used to stabilize the upper wellbore sections.
13CR L80 Welded Stainless Steel Oilfield Tubing
Welded 13% chromium L80 grade stainless steel tubing for corrosive oil and gas environments, used in downhole production strings. This product features welded construction with premium connections and is classified under tariff item 7306.21.00 for drilling and completion operations.
13CR Stainless Steel Drilling Tubing with Premium Coupling
Welded 13% chromium stainless steel tubing for corrosive oil and gas wells, imported with premium threaded couplings for enhanced joint integrity. This product falls under tariff item 7306.21.00 as welded stainless steel OCTG tubing imported with couplings.
20 Inch Conductor Casing 94# SS Welded
Large diameter 20-inch welded stainless steel conductor casing, 94 lb/ft with heavy-duty threaded couplings to initiate offshore oil well drilling through surface formations. Stabilizes the upper well section.