Chapter 73 covers iron and steel articles, including seamless pipes, welded pipes, hollow profiles, pipe fittings, wire ropes, nails, bolts, etc. Articles of iron and steel in this chapter need to be distinguished from raw materials in Chapter 72, as well as from other chapters (such as machinery in Chapter 84). Heading 7304 specifically refers to seamless iron and steel pipes and hollow profiles, used for oil, geological drilling, boilers, pipelines, etc. Heading 7304 covers seamless iron and steel pipes and hollow profiles, including seamless pipes used for oil and natural gas drilling (such as casing, tubing, drill pipe), as well as boiler tubes, line pipes, etc. Under this heading, further subdivision is based on use and material, such as 7304.2 for seamless pipes for oil or natural gas drilling, and 7304.4 for seamless pipes for geological drilling. Code 730424 consists of 6 digits: the first 2 digits 73 represent Chapter 73 iron and steel articles; the 3rd-4th digits 04 represent heading 7304, i.e., seamless iron and steel pipes and hollow profiles; the 5th-6th digits 24 represent subheading 7304.24, specifically seamless steel pipes for geological drilling. This subheading is further subdivided based on pipe diameter, material, etc., but the 6-digit code already clarifies the scope of goods. The goods are seamless pipes for geological drilling, made of iron or steel, and are seamless, meeting the description of heading 7304. Due to their specific use for geological drilling, they are classified under subheading 7304.24, rather than other subheadings such as 7304.22 (for oil drilling) or 7304.29 (for other drilling).
Chapter
Chapter 73 covers iron and steel articles, including seamless pipes, welded pipes, hollow profiles, pipe fittings, wire ropes, nails, bolts, etc. Articles of iron and steel in this chapter need to be distinguished from raw materials in Chapter 72, as well as from other chapters (such as machinery in Chapter 84). Heading 7304 specifically refers to seamless iron and steel pipes and hollow profiles, used for oil, geological drilling, boilers, pipelines, etc.
Heading
Heading 7304 covers seamless iron and steel pipes and hollow profiles, including seamless pipes used for oil and natural gas drilling (such as casing, tubing, drill pipe), as well as boiler tubes, line pipes, etc. Under this heading, further subdivision is based on use and material, such as 7304.2 for seamless pipes for oil or natural gas drilling, and 7304.4 for seamless pipes for geological drilling.
Digit Breakdown
Code 730424 consists of 6 digits: the first 2 digits 73 represent Chapter 73 iron and steel articles; the 3rd-4th digits 04 represent heading 7304, i.e., seamless iron and steel pipes and hollow profiles; the 5th-6th digits 24 represent subheading 7304.24, specifically seamless steel pipes for geological drilling. This subheading is further subdivided based on pipe diameter, material, etc., but the 6-digit code already clarifies the scope of goods.
Classification Basis
The goods are seamless pipes for geological drilling, made of iron or steel, and are seamless, meeting the description of heading 7304. Due to their specific use for geological drilling, they are classified under subheading 7304.24, rather than other subheadings such as 7304.22 (for oil drilling) or 7304.29 (for other drilling).
📝 Declaration Elements
Product Name: Declare the product name accurately reflecting the product attributes, such as 'seamless steel pipe for geological drilling'. Material: Declare the specific material of iron or steel, such as carbon steel, alloy steel, etc., and indicate the grade. Specification and Model: Declare the outer diameter, wall thickness, length, and other dimensions of the pipe, as well as the model. Use: Clearly declare as 'for geological drilling', distinguishing from oil drilling or other uses. Processing Method: Declare as seamless pipe, and indicate the manufacturing process (such as hot-rolled, cold-drawn). Brand: Declare the brand name; if no brand, declare as 'no brand'. Quantity and Unit: Declare the quantity and legal unit (kilograms), and indicate the packaging method. Product Name: Seamless steel pipe for geological drilling; Material: Carbon steel, grade 20#; Specification: Outer diameter 73mm, wall thickness 5.5mm, length 6m; Use: Geological drilling; Processing Method: Hot-rolled seamless; Brand: No brand; Quantity: 1000 kilograms. Use declaration is unclear, not indicating 'geological drilling', leading to classification errors. Material declaration is not specific, only writing 'steel', without providing grade or composition. Specification and model omit key dimensions, such as wall thickness, affecting classification.
Product Name
Declare the product name accurately reflecting the product attributes, such as 'seamless steel pipe for geological drilling'.
⚠️ Incorrectly declaring as 'oil drilling pipe' or 'seamless pipe' too generally.
Material
Declare the specific material of iron or steel, such as carbon steel, alloy steel, etc., and indicate the grade.
⚠️ Only declaring 'steel' without specifying the specific material and grade.
Specification and Model
Declare the outer diameter, wall thickness, length, and other dimensions of the pipe, as well as the model.
⚠️ Omitting wall thickness or length, only declaring outer diameter.
Use
Clearly declare as 'for geological drilling', distinguishing from oil drilling or other uses.
⚠️ Generally declaring as 'for drilling' without distinguishing geological from oil.
Processing Method
Declare as seamless pipe, and indicate the manufacturing process (such as hot-rolled, cold-drawn).
⚠️ Incorrectly declaring as welded pipe.
Brand
Declare the brand name; if no brand, declare as 'no brand'.
⚠️ Omitting brand or incorrect declaration.
Quantity and Unit
Declare the quantity and legal unit (kilograms), and indicate the packaging method.
⚠️ Incorrect unit, such as using 'pieces' instead of 'kilograms'.
Use declaration is unclear, not indicating 'geological drilling', leading to classification errors.
Material declaration is not specific, only writing 'steel', without providing grade or composition.
Specification and model omit key dimensions, such as wall thickness, affecting classification.
🎯 Classification Logic
Classification basis: The goods are seamless iron or steel pipes, specifically used for geological drilling. According to the Import and Export Tariff, heading 7304 covers seamless iron and steel pipes, and its subheadings are divided by use. Seamless pipes for geological drilling are classified under 7304.24, while those for oil drilling are under 7304.22, and for other drilling under 7304.29. Attention should be paid to the difference between geological drilling and oil drilling, as well as the material and processing method of the pipes. 730422 Seamless pipes for oil drilling: Used for oil or natural gas drilling, different from geological drilling use, and classification should be based on actual use. 730429 Other seamless pipes for drilling: Used for drilling purposes other than oil, natural gas, and geological, such as hydrological drilling, etc. 730431 Other seamless pipes, cold-drawn: Non-drilling seamless pipes, such as boiler tubes, line pipes, processing method may be cold-drawn. 730439 Other seamless pipes, hot-rolled: Non-drilling seamless pipes, hot-rolled, widely used, not limited to drilling. Confirm the pipe is seamless, not welded. Confirm the use is for geological drilling. Confirm the material is iron or steel. Confirm the specification and model are complete. Confirm brand and origin information.
Basis
Classification basis: The goods are seamless iron or steel pipes, specifically used for geological drilling. According to the Import and Export Tariff, heading 7304 covers seamless iron and steel pipes, and its subheadings are divided by use. Seamless pipes for geological drilling are classified under 7304.24, while those for oil drilling are under 7304.22, and for other drilling under 7304.29. Attention should be paid to the difference between geological drilling and oil drilling, as well as the material and processing method of the pipes.
Confused Codes：
730422 - Seamless pipes for oil drilling
Used for oil or natural gas drilling, different from geological drilling use, and classification should be based on actual use.
730429 - Other seamless pipes for drilling
Used for drilling purposes other than oil, natural gas, and geological, such as hydrological drilling, etc.
730431 - Other seamless pipes, cold-drawn
Non-drilling seamless pipes, such as boiler tubes, line pipes, processing method may be cold-drawn.
730439 - Other seamless pipes, hot-rolled
Non-drilling seamless pipes, hot-rolled, widely used, not limited to drilling.
Self-Check：
✓ Confirm the pipe is seamless, not welded.
✓ Confirm the use is for geological drilling.
✓ Confirm the material is iron or steel.
✓ Confirm the specification and model are complete.
✓ Confirm brand and origin information.
❓ FAQ
What is the difference in HS codes between seamless pipes for geological drilling and those for oil drilling? Seamless pipes for geological drilling are classified under 7304.24, and those for oil drilling under 7304.22. The main difference is the use: geological drilling is for mineral exploration, hydrological drilling, etc., while oil drilling is for oil and gas extraction. Proof of use is required during declaration. How to determine if a seamless steel pipe is for geological drilling? Based on the actual usage scenario, if used for geological exploration, core drilling, etc., it is for geological drilling. Typically, the pipe ends have special threads or connections, and the material and specifications meet geological drilling standards. How should the material be filled in during declaration? Fill in the specific material, such as carbon steel, alloy steel, and indicate the grade (e.g., 20#, 45Mn, etc.). If it is alloy steel, provide the composition content. If a pipe can be used for both geological drilling and other purposes, how to classify it? Classify according to the main use. If uncertain, refer to heading notes or consult customs. Usually classified by main use or customer declaration. What documents are required for importing seamless pipes for geological drilling? Generally, contract, invoice, packing list, bill of lading, certificate of origin, etc. are required. If tariff preferences are involved, corresponding certificate of origin is needed. Specific requirements are subject to customs. What is the export tax rebate rate for HS code 730424? The export tax rebate rate adjusts with national policies. It is recommended to check the latest export tax rebate rate database or consult the tax authorities. Specific values are not provided. How to query the regulatory conditions for HS code 730424? You can query regulatory conditions through the General Administration of Customs website or the Import and Export Tariff, such as whether licenses, inspections, etc. are required. Professional customs declaration software can also be used. What information should be included in the specification and model during declaration? It should include outer diameter, wall thickness, length, and possibly standard number (such as API 5D). This information helps customs confirm classification.
Q: What is the difference in HS codes between seamless pipes for geological drilling and those for oil drilling?
A: Seamless pipes for geological drilling are classified under 7304.24, and those for oil drilling under 7304.22. The main difference is the use: geological drilling is for mineral exploration, hydrological drilling, etc., while oil drilling is for oil and gas extraction. Proof of use is required during declaration.
Q: How to determine if a seamless steel pipe is for geological drilling?
A: Based on the actual usage scenario, if used for geological exploration, core drilling, etc., it is for geological drilling. Typically, the pipe ends have special threads or connections, and the material and specifications meet geological drilling standards.
Q: How should the material be filled in during declaration?
A: Fill in the specific material, such as carbon steel, alloy steel, and indicate the grade (e.g., 20#, 45Mn, etc.). If it is alloy steel, provide the composition content.
Q: If a pipe can be used for both geological drilling and other purposes, how to classify it?
A: Classify according to the main use. If uncertain, refer to heading notes or consult customs. Usually classified by main use or customer declaration.
Q: What documents are required for importing seamless pipes for geological drilling?
A: Generally, contract, invoice, packing list, bill of lading, certificate of origin, etc. are required. If tariff preferences are involved, corresponding certificate of origin is needed. Specific requirements are subject to customs.
Q: What is the export tax rebate rate for HS code 730424?
A: The export tax rebate rate adjusts with national policies. It is recommended to check the latest export tax rebate rate database or consult the tax authorities. Specific values are not provided.
Q: How to query the regulatory conditions for HS code 730424?
A: You can query regulatory conditions through the General Administration of Customs website or the Import and Export Tariff, such as whether licenses, inspections, etc. are required. Professional customs declaration software can also be used.
Q: What information should be included in the specification and model during declaration?
A: It should include outer diameter, wall thickness, length, and possibly standard number (such as API 5D). This information helps customs confirm classification.
⚠️ 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.