What HS code 7305.20 covers
HS code 7305.20 classifies iron or steel (excluding cast iron); casing of a kind used in drilling for oil or gas (not seamless), having circular cross-sections, external diameter exceeds 406.4mm. It is a subheading of heading 7305 (Iron or steel (excluding cast iron); tubes and pipes (e.g. welded, riveted or similarly closed), having circular cross-sections, external diameter of which exceeds 406.4mm, not seamless), in chapter 73 (Iron or steel articles), section XV of the Harmonized System. These six digits are identical in every country that uses the HS.
Classification path
Import duty for 7305.20
仅为最惠国基础税率。中国原产货物还可能在此之上叠加301条款关税和2025年IEEPA关税。
来源：HTSUS / CBP
对第三国普遍适用的最惠国税率。各国17%至27%不等的进口增值税，以及任何反倾销措施，均需另行计算。
来源：TARIC
Imported this in 2024 or 2025?
Courts voided some of the tariffs importers paid on goods like this. You may be owed money back. The audit is free and we only get paid when you do.
Related codes in heading 7305
Not quite the right fit? These subheadings sit under the same heading and are the most common alternatives to 7305.20.
- 7305.11 Iron or steel (excluding cast iron); line pipe of a kind used for oil or gas pipelines (not seamless), longitudinally submerged arc welded, having circular cross-sections, external diameter exceeds 406.4mm
- 7305.12 Iron or steel (excluding cast iron); line pipe of a kind used for oil or gas pipelines (not seamless), longitudinally welded (not submerged arc welded), having circular cross-sections, external diameter exceeds 406.4mm
- 7305.19 Iron or steel (excluding cast iron); line pipe of a kind used for oil or gas pipelines (not seamless), (not longitudinally welded), having circular cross-sections, external diameter exceeds 406.4mm
- 7305.31 Iron or steel (excluding cast iron); tubes and pipes (other than line pipe or casing of a kind used for oil or gas pipelines), longitudinally welded, having circular cross-sections, external diameter exceeds 406.4mm, (not seamless)
- 7305.39 Iron or steel (excluding cast iron); tubes and pipes (other than line pipe or casing of a kind used for oil or gas pipelines), welded (not longitudinally welded), having circular cross-sections, external diameter exceeds 406.4mm, (not seamless)
- 7305.90 Iron or steel (excluding cast iron); tubes and pipes n.e.c. in heading no. 7305, having circular cross-sections, external diameter exceeds 406.4mm, (not seamless)
Confirm the code for your exact product
A 6-digit subheading still covers a range of products. The wrong code at the border can mean overpaying duty, a delayed shipment, or a penalty. Describe your exact item and HS Mate confirms whether 7305.20 is right, with the duty rate and an audit trail your customs broker can accept.