7305.12.50.00 - Of alloy steel
Details
| Field | Value |
|---|---|
| Unit of Quantity | kg |
| General Rate of Duty | Free |
| Special Rate of Duty | N/A |
| Column 2 Rate of Duty | 10% |
| Quota Quantity | N/A |
| Additional Duties | N/A |
Overview
This HTS category, 7305.12.50.00, specifically classifies longitudinally welded tubes and pipes of iron or steel that are designed for use as line pipe in oil or gas pipelines. The defining characteristics include a circular cross-section, an external diameter exceeding 406.4 mm, and the construction material being of alloy steel. This category applies to pipes used in the transportation of oil and natural gas, typically across significant distances.
Within its immediate sibling category, 7305.12.10, pipes are classified as being made of iron or nonalloy steel. The critical distinction for 7305.12.50.00 lies in the use of alloy steel. Alloying elements are added to iron to improve properties such as strength, hardness, wear resistance, or corrosion resistance, making these pipes suitable for more demanding pipeline applications.
As this is a leaf node in the HTS classification system, there are no further subdivisions under this specific code. Therefore, the classification is definitive for longitudinally welded line pipe of alloy steel used for oil or gas pipelines. Any variation in material composition (e.g., nonalloy steel) or a different welding method would lead to classification under a different HTS code.