Iron Butt-Weld Reducing Coupling 2-inch to 1.5-inch
A reducer coupling cast from iron or nonalloy steel, connecting 50 mm to 40 mm pipes via butt welding in structural piping. HTS 7307.93.30 applies for its butt-welding function and sub-360 mm diameter. Used in construction frameworks and fire sprinkler systems.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 6.2% | +35.0% | 41.2% |
| 🇲🇽Mexico | 6.2% | +10.0% | 16.2% |
| 🇨🇦Canada | 6.2% | +10.0% | 16.2% |
| 🇩🇪Germany | 6.2% | +10.0% | 16.2% |
| 🇯🇵Japan | 6.2% | +10.0% | 16.2% |
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 stainless steel construction
Stainless steel fittings fall under the dedicated stainless subheading.
If flanged connection
Flanged fittings have separate classification regardless of welding capability.
If imported as unfinished tubes
Semi-manufactured pipe sections without fitting features classify as tubes.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Provide dimensional drawings confirming inside diameter <360 mm for classification
• Anti-corrosion coating must not alter material classification if it's nonalloy base
• Avoid selling as sets with pipes, which could trigger composite article rules
Related Products under HTS 7307.93.30
Carbon Steel Butt-Weld Elbow 4-inch
A 90-degree elbow fitting made from nonalloy steel with an inside diameter of 100 mm, designed for butt welding to connect pipes in low-pressure plumbing systems. It falls under HTS 7307.93.30 as a butt-welding fitting of iron or nonalloy steel with an inside diameter less than 360 mm. Commonly used in residential water lines and HVAC installations.
Nonalloy Steel Butt-Weld Cap 8-inch
End cap fitting of nonalloy steel, 200 mm inside diameter, butt-welded to terminate pipe runs in utility systems. Classified under HTS 7307.93.30 as a butt-welding pipe fitting of iron/nonalloy steel <360 mm ID. Standard in municipal water treatment plants.
ASTM A234 WPB Butt-Weld Elbow 150 mm
Standard WPB grade carbon steel long-radius elbow per ASTM A234, 150 mm ID for butt-welding in refinery piping. HTS 7307.93.30 covers this nonalloy steel butt-welding fitting under 360 mm. Meets API 5L line pipe compatibility.
Black Iron Butt-Weld Equal Tee DN100
Uncoated black iron equal tee, DN100 (114 mm OD, ~100 mm ID), for butt-welded steam distribution lines. Falls in HTS 7307.93.30 as iron butt-welding fitting <360 mm ID. Traditional choice for heating systems.
Carbon Steel Butt-Weld Lateral 4-inch
45-degree lateral branch fitting from nonalloy steel, 4-inch size, butt-welded for angled pipe takeoffs. HTS 7307.93.30 classification for small-diameter butt-welding fittings. Used in mining slurry lines.
Nonalloy Steel Butt-Weld Stub End 6-inch
Stub end fitting for lap joint flanges, nonalloy steel 6-inch ID, butt-welded to pipe ends. Precisely HTS 7307.93.30 as qualifying butt-welding accessory <360 mm. Pairs with backing flanges in corrosive environments.