About HS Code 730539
This category covers large-diameter, non-longitudinally welded iron or steel tubes and pipes, specifically those with an external diameter exceeding 406.4mm, excluding seamless types and those designated for oil or gas pipelines. The "non-longitudinally welded" aspect implies other welding methods like spiral welding, which is common for very large diameters. These pipes are essential for massive infrastructure projects, water distribution networks, industrial processing plants, and structural applications where robust, large-bore conduits are needed. Major importers and exporters include countries with significant industrial bases and ongoing large-scale construction, such as China, India, the United States, and European nations. The trade is driven by demand for heavy-duty piping in sectors like civil engineering, mining, and manufacturing. Key things to know include the specific welding technique, as it impacts manufacturing cost and performance, and the exclusion from oil/gas pipeline applications, which are classified elsewhere. These pipes are valued for their capacity to handle large volumes and withstand considerable pressure.
Products Under This Code
Spiral welded water mains, large-diameter structural piles, industrial exhaust ducts, hydroelectric penstocks, sewage force mains, mining slurry pipelines, large-scale ventilation tubing
Real World Examples
Erw Steel spiral welded pipes, JFE Steel large-diameter pipes, Tenaris industrial welded pipes, Baosteel spiral pipes, EVRAZ large-diameter pipes
Common Misclassification
This code can be confused with 730519 (other welded line pipe for oil/gas) due to similar dimensions, but the critical difference is the exclusion of oil/gas pipeline use. It's also distinct from 730531 by the welding method (not longitudinally welded).
EU Regulatory Requirements
This product falls under the Carbon Border Adjustment Mechanism (CBAM). Importers to the EU must declare embedded carbon emissions and purchase CBAM certificates.
Industry
This code belongs to the Automotive & Vehicles industry.
Trade Overview
Key importing and exporting nations for these large-diameter, non-longitudinally welded pipes include China, the USA, Germany, and India, driven by infrastructure and industrial development.
Frequently Asked Questions
What is HS code 730539?
HS code 730539 covers: 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). This category covers large-diameter, non-longitudinally welded iron or steel tubes and pipes, specifically those with an external diameter exceeding 406.4mm, excluding seamless types and those designated for oil or gas pipelines. The "non-longitudinally welded" aspect implies other welding methods like spiral welding, which is common for very large diameters. These pipes are essential for massive infrastructure projects, water distribution networks, industrial processing plants, and structural applications where robust, large-bore conduits are needed. Major importers and exporters include countries with significant industrial bases and ongoing large-scale construction, such as China, India, the United States, and European nations. The trade is driven by demand for heavy-duty piping in sectors like civil engineering, mining, and manufacturing. Key things to know include the specific welding technique, as it impacts manufacturing cost and performance, and the exclusion from oil/gas pipeline applications, which are classified elsewhere. These pipes are valued for their capacity to handle large volumes and withstand considerable pressure.
What products fall under HS code 730539?
Spiral welded water mains, large-diameter structural piles, industrial exhaust ducts, hydroelectric penstocks, sewage force mains, mining slurry pipelines, large-scale ventilation tubing
What are common misclassifications for HS code 730539?
This code can be confused with 730519 (other welded line pipe for oil/gas) due to similar dimensions, but the critical difference is the exclusion of oil/gas pipeline use. It's also distinct from 730531 by the welding method (not longitudinally welded).
How is HS code 730539 structured?
HS code 730539 is a 6-digit subheading under the Harmonized System. The first 2 digits (73) identify the chapter, digits 3-4 (05) identify the heading, and digits 5-6 (39) specify the subheading. This code is standardized globally by the World Customs Organization.