About HS Code 730431
This HS code covers seamless tubes, pipes, and hollow profiles of circular cross-section, made of iron or non-alloy steel (excluding cast iron), that have undergone cold-drawing or cold-rolling processes. Cold working significantly enhances the dimensional precision, surface finish, and mechanical properties such as strength and hardness of these products. They are extensively used in precision engineering, hydraulic systems, automotive components, and various general mechanical applications where high accuracy and performance are required. Importers are typically manufacturers of machinery, vehicles, and industrial equipment. Exporters are specialized steel tube mills. Trade is driven by the global demand for high-quality, precise industrial components across diverse manufacturing sectors.
Products Under This Code
Seamless cold-drawn precision tubes, hydraulic cylinder tubes, automotive exhaust pipes, boiler tubes, heat exchanger tubes, mechanical tubing, structural hollow sections
Real World Examples
Sandvik seamless precision tubes, Benteler automotive tubing, ArcelorMittal cold-drawn pipes, Sumitomo seamless mechanical tubes, Salzgitter Mannesmann precision tubes
Common Misclassification
Can be confused with 730410 (seamless line pipe for oil/gas) or 730439 (other seamless, not cold-drawn/rolled), as the 'cold-drawn/rolled' processing and 'circular cross-section' are specific defining characteristics.
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.
Products Classified Under 7304.31
Industry
This code belongs to the Automotive & Vehicles industry.
Trade Overview
Germany, China, Italy, and the USA are significant players in the production and trade of these precision steel tubes globally.
Frequently Asked Questions
What is HS code 730431?
HS code 730431 covers: Iron or non-alloy steel (excluding cast iron); seamless, cold-drawn or cold-rolled, tubes, pipes and hollow profiles of circular cross-section. This HS code covers seamless tubes, pipes, and hollow profiles of circular cross-section, made of iron or non-alloy steel (excluding cast iron), that have undergone cold-drawing or cold-rolling processes. Cold working significantly enhances the dimensional precision, surface finish, and mechanical properties such as strength and hardness of these products. They are extensively used in precision engineering, hydraulic systems, automotive components, and various general mechanical applications where high accuracy and performance are required. Importers are typically manufacturers of machinery, vehicles, and industrial equipment. Exporters are specialized steel tube mills. Trade is driven by the global demand for high-quality, precise industrial components across diverse manufacturing sectors.
What products fall under HS code 730431?
Seamless cold-drawn precision tubes, hydraulic cylinder tubes, automotive exhaust pipes, boiler tubes, heat exchanger tubes, mechanical tubing, structural hollow sections
What are common misclassifications for HS code 730431?
Can be confused with 730410 (seamless line pipe for oil/gas) or 730439 (other seamless, not cold-drawn/rolled), as the 'cold-drawn/rolled' processing and 'circular cross-section' are specific defining characteristics.
How is HS code 730431 structured?
HS code 730431 is a 6-digit subheading under the Harmonized System. The first 2 digits (73) identify the chapter, digits 3-4 (04) identify the heading, and digits 5-6 (31) specify the subheading. This code is standardized globally by the World Customs Organization.