Chapter 73 covers iron and steel articles, including seamless steel pipes, welded steel pipes, steel structures, containers, wire products, etc. This chapter distinguishes steel products of different processing depths and uses, such as pipes, hollow profiles, accessories, etc. Heading 7304 specifically refers to seamless steel pipes and hollow profiles, different from welded pipes (7305/7306) and cast pipes (7303). Heading 7304 covers seamless steel pipes and hollow profiles, produced by seamless processes such as rolling, drawing, or extrusion, used for oil, natural gas, boilers, mechanical structures, etc. Includes circular cross-section pipes, non-circular cross-section pipes, and different processing states such as cold drawn, cold rolled, hot rolled. But excludes welded pipes (7305/7306) and cast iron pipes (7303). First 2 digits 73 = Chapter for iron and steel articles; 3rd-4th digits 04 = Heading for seamless steel pipes and hollow profiles; 5th-6th digits 19 = Subheading for other seamless steel pipes. This subheading further distinguishes specific uses or materials, such as oil casing, boiler tubes, etc. 730419 specifically refers to other seamless steel pipes not elsewhere specified, such as for general structural use, mechanical processing, etc. The product is a seamless steel pipe and is not listed under a more specific subheading (such as oil casing 7304.22, boiler tube 7304.51, etc.), therefore classified under 7304.19 'Other'. If it were a welded pipe, it would be classified under 7305/7306; if it were a cast iron pipe, under 7303. Correct classification requires confirmation of production process and use.
Chapter
Chapter 73 covers iron and steel articles, including seamless steel pipes, welded steel pipes, steel structures, containers, wire products, etc. This chapter distinguishes steel products of different processing depths and uses, such as pipes, hollow profiles, accessories, etc. Heading 7304 specifically refers to seamless steel pipes and hollow profiles, different from welded pipes (7305/7306) and cast pipes (7303).
Heading
Heading 7304 covers seamless steel pipes and hollow profiles, produced by seamless processes such as rolling, drawing, or extrusion, used for oil, natural gas, boilers, mechanical structures, etc. Includes circular cross-section pipes, non-circular cross-section pipes, and different processing states such as cold drawn, cold rolled, hot rolled. But excludes welded pipes (7305/7306) and cast iron pipes (7303).
Digit Breakdown
First 2 digits 73 = Chapter for iron and steel articles; 3rd-4th digits 04 = Heading for seamless steel pipes and hollow profiles; 5th-6th digits 19 = Subheading for other seamless steel pipes. This subheading further distinguishes specific uses or materials, such as oil casing, boiler tubes, etc. 730419 specifically refers to other seamless steel pipes not elsewhere specified, such as for general structural use, mechanical processing, etc.
Classification Basis
The product is a seamless steel pipe and is not listed under a more specific subheading (such as oil casing 7304.22, boiler tube 7304.51, etc.), therefore classified under 7304.19 'Other'. If it were a welded pipe, it would be classified under 7305/7306; if it were a cast iron pipe, under 7303. Correct classification requires confirmation of production process and use.
📝 Declaration Elements
Product Name: Declared commodity name, such as 'seamless steel pipe' Material: Specify steel type, such as carbon steel, alloy steel, stainless steel, etc. Specification: Dimensions such as outer diameter, wall thickness, length, etc. Processing Method: Such as hot rolled, cold drawn, cold rolled, etc. Use: Specific use, such as structural use, mechanical processing use Grade: Steel grade or standard, such as 20#, API 5L Cross-section Shape: Circular, square, profiled, etc. Product Name: Seamless steel pipe; Material: Carbon steel 20#; Specification: Outer diameter 89mm, wall thickness 6mm, length 6m; Processing Method: Hot rolled; Use: Mechanical processing; Grade: GB/T 8162; Cross-section Shape: Circular. Mistakenly declaring seamless steel pipe as welded steel pipe, leading to classification error. Incomplete specification description, such as missing wall thickness or length, affecting classification. Use declaration is too vague to determine whether it belongs to other subheadings.
Product Name
Declared commodity name, such as 'seamless steel pipe'
⚠️ Mistakenly declared as 'welded steel pipe' or 'cast iron pipe'
Material
Specify steel type, such as carbon steel, alloy steel, stainless steel, etc.
⚠️ Only writing 'steel' without subdivision
Specification
Dimensions such as outer diameter, wall thickness, length, etc.
⚠️ Omitting wall thickness or unit errors
Processing Method
Such as hot rolled, cold drawn, cold rolled, etc.
⚠️ Confusing hot rolled with cold drawn
Use
Specific use, such as structural use, mechanical processing use
Mistakenly declaring seamless steel pipe as welded steel pipe, leading to classification error.
Incomplete specification description, such as missing wall thickness or length, affecting classification.
Use declaration is too vague to determine whether it belongs to other subheadings.
🎯 Classification Logic
Core classification basis: 1) Material is iron or steel; 2) Produced by seamless process; 3) Not listed under a more specific subheading. Need to check the subheading provisions and chapter notes of the Tariff to confirm whether it belongs to 7304.19. If it is a stainless steel seamless pipe, it is classified under 7304.4; if it is oil casing, under 7304.22. 7304.22 Oil casing: Specifically used for oil and gas drilling, with API standards, while 7304.19 is for other uses 7304.51 Boiler tube: Used for boiler superheaters, heat exchangers, etc., with specific temperature and pressure resistance requirements 7305 Welded steel pipe: Produced by welding process, different from seamless, with visible weld seam 7306 Other welded pipes: Includes longitudinal welding, spiral welding, etc., not seamless Is it produced by seamless process? Is it made of stainless steel? Is it oil casing or boiler tube? Are specifications complete? Is the use clear?
Basis
Core classification basis: 1) Material is iron or steel; 2) Produced by seamless process; 3) Not listed under a more specific subheading. Need to check the subheading provisions and chapter notes of the Tariff to confirm whether it belongs to 7304.19. If it is a stainless steel seamless pipe, it is classified under 7304.4; if it is oil casing, under 7304.22.
Confused Codes：
7304.22 - Oil casing
Specifically used for oil and gas drilling, with API standards, while 7304.19 is for other uses
7304.51 - Boiler tube
Used for boiler superheaters, heat exchangers, etc., with specific temperature and pressure resistance requirements
7305 - Welded steel pipe
Produced by welding process, different from seamless, with visible weld seam
7306 - Other welded pipes
Includes longitudinal welding, spiral welding, etc., not seamless
Self-Check：
✓ Is it produced by seamless process?
✓ Is it made of stainless steel?
✓ Is it oil casing or boiler tube?
✓ Are specifications complete?
✓ Is the use clear?
❓ FAQ
How to inquire about the import tax rate for 730419? You can check through the official website of the General Administration of Customs or the Tariff by entering HS code 730419 to view the MFN rate, general rate, etc. Note that tax rates may be adjusted, subject to the latest announcement. How to distinguish seamless steel pipes from welded steel pipes during customs declaration? Mainly based on production process: seamless pipes have no weld seam, welded pipes have weld seams. During declaration, processing method must be provided, and material certificates or test reports may be required if necessary. What is the difference between 730419 and 730429? 730419 is other seamless steel pipes, 730429 is other stainless steel seamless steel pipes. The difference lies in whether the material is stainless steel. What documents are required for exporting seamless steel pipes? Usually require contract, invoice, packing list, customs declaration form, material certificate, etc. If licenses are involved, corresponding documents must be provided. Can steel pipes classified under 730419 be used for oil drilling? If used for oil drilling and meeting API standards, they should be classified under 730422 (oil casing) or 730424 (other drill pipes), not 730419. How to fill in the 'Grade' in the declaration elements? Fill in the steel grade or standard number, such as 20#, Q345B, API 5L, etc. If no grade, fill in 'None'. What are the regulatory conditions for 730419? Regulatory conditions vary by national policy and may involve licenses, commodity inspection, etc. Need to check the latest 'Customs Regulatory Conditions Table'. If the steel pipe is cold drawn, will it affect classification? Cold drawing is a processing method and does not affect the heading, still classified under 7304, but may affect the subheading (such as cold drawn vs hot rolled).
Q: How to inquire about the import tax rate for 730419?
A: You can check through the official website of the General Administration of Customs or the Tariff by entering HS code 730419 to view the MFN rate, general rate, etc. Note that tax rates may be adjusted, subject to the latest announcement.
Q: How to distinguish seamless steel pipes from welded steel pipes during customs declaration?
A: Mainly based on production process: seamless pipes have no weld seam, welded pipes have weld seams. During declaration, processing method must be provided, and material certificates or test reports may be required if necessary.
Q: What is the difference between 730419 and 730429?
A: 730419 is other seamless steel pipes, 730429 is other stainless steel seamless steel pipes. The difference lies in whether the material is stainless steel.
Q: What documents are required for exporting seamless steel pipes?
A: Usually require contract, invoice, packing list, customs declaration form, material certificate, etc. If licenses are involved, corresponding documents must be provided.
Q: Can steel pipes classified under 730419 be used for oil drilling?
A: If used for oil drilling and meeting API standards, they should be classified under 730422 (oil casing) or 730424 (other drill pipes), not 730419.
Q: How to fill in the 'Grade' in the declaration elements?
A: Fill in the steel grade or standard number, such as 20#, Q345B, API 5L, etc. If no grade, fill in 'None'.
Q: What are the regulatory conditions for 730419?
A: Regulatory conditions vary by national policy and may involve licenses, commodity inspection, etc. Need to check the latest 'Customs Regulatory Conditions Table'.
Q: If the steel pipe is cold drawn, will it affect classification?
A: Cold drawing is a processing method and does not affect the heading, still classified under 7304, but may affect the subheading (such as cold drawn vs hot rolled).
⚠️ Disclaimer: HS code classification, declaration elements, tariff rates and regulatory conditions on this page are for reference only and do not constitute legal advice on customs classification. Tariff rates and regulations are subject to change; the latest announcements from the General Administration of Customs and on-site determinations shall prevail. Please consult professional customs brokers or customs authorities before import/export.