Alloy Steel LSAW Pipe for Offshore Platform Risers
Submerged arc longitudinally welded (LSAW) alloy steel pipe exceeding 406.4 mm diameter for riser applications in offshore oil platforms. Fits HTS 7305.31.60 as other large-diameter, circular welded tubes of alloy steel. Built for harsh marine environments.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | +75.0% | 75% |
| 🇲🇽Mexico | Free | +50.0% | 50% |
| 🇨🇦Canada | Free | +50.0% | 50% |
| 🇩🇪Germany | Free | +50.0% | 50% |
| 🇯🇵Japan | Free | +50.0% | 50% |
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 Threaded ends or couplings make it 'tube fittings,' moving to 7307 based on completion state.
If parts of gas turbines or compressors
Dedicated as riser components for turbo-machinery shifts to Chapter 84 parts.
If cold-drawn after welding
Secondary cold-forming processes reclassify to 7305.41, altering from basic welded tube.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Supply NACE MR0175 certification for sour service resistance, common in offshore, to support alloy steel claims
• Specify LSAW process on packing list; customs may scrutinize weld integrity via non-destructive testing reports
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