Chapter 73 covers articles of iron or steel, including steel pipes and tubes, hollow profiles, tube fittings, steel structures, containers, wire products, etc. This chapter ranges from raw materials to finished products, but excludes primary steel materials of Chapter 72 and specific tools and miscellaneous articles of Chapters 82 and 83. Heading 7306 belongs to the tubes and pipes section of this chapter, specifically referring to welded steel pipes, distinguished from seamless pipes (7304) and cast steel pipes (7305). Heading 7306 covers other welded steel pipes and hollow profiles, including steel pipes made by longitudinal welding, spiral welding, resistance welding, etc., as well as welded hollow profiles of non-circular cross-section. However, it excludes cast iron pipes (7303), seamless pipes (7304), cast steel pipes (7305), and finished pipes with tube fittings (7307). Steel pipes under this heading are widely used in structures, fluid conveyance, machinery manufacturing, and other fields. Code 730619 is a six-digit subheading: the first 2 digits "73" represent Chapter 73 articles of iron or steel; digits 3-4 "06" represent heading 7306, i.e., other welded steel pipes and hollow profiles; digits 5-6 "19" represent subheading 730619, i.e., other welded steel pipes. "19" is a subheading under 7306, distinguished from 730611 (for oil and gas pipelines), 730612 (for oil and gas pipelines), 730613 (other circular cross-section pipes), and 730619 (other welded steel pipes). This subheading covers welded steel pipes not specified in other subheadings, such as structural pipes, mechanical pipes, etc. This commodity is a welded steel pipe and does not meet the specific use or material requirements of 730611 to 730618, so it is classified under 730619 "other welded steel pipes." If it were a seamless pipe, it would be classified under 7304; if it were a cast iron pipe, under 7303; if it were a pipe fitting with tube fittings, under 7307. In addition, if it were a stainless steel welded pipe, it should preferentially be classified under other subheadings of 7306 (such as the stainless steel subheadings among 730611-730619), but 730619 generally refers to other welded steel pipes that are not stainless steel.
Chapter
Chapter 73 covers articles of iron or steel, including steel pipes and tubes, hollow profiles, tube fittings, steel structures, containers, wire products, etc. This chapter ranges from raw materials to finished products, but excludes primary steel materials of Chapter 72 and specific tools and miscellaneous articles of Chapters 82 and 83. Heading 7306 belongs to the tubes and pipes section of this chapter, specifically referring to welded steel pipes, distinguished from seamless pipes (7304) and cast steel pipes (7305).
Heading
Heading 7306 covers other welded steel pipes and hollow profiles, including steel pipes made by longitudinal welding, spiral welding, resistance welding, etc., as well as welded hollow profiles of non-circular cross-section. However, it excludes cast iron pipes (7303), seamless pipes (7304), cast steel pipes (7305), and finished pipes with tube fittings (7307). Steel pipes under this heading are widely used in structures, fluid conveyance, machinery manufacturing, and other fields.
Digit Breakdown
Code 730619 is a six-digit subheading: the first 2 digits "73" represent Chapter 73 articles of iron or steel; digits 3-4 "06" represent heading 7306, i.e., other welded steel pipes and hollow profiles; digits 5-6 "19" represent subheading 730619, i.e., other welded steel pipes. "19" is a subheading under 7306, distinguished from 730611 (for oil and gas pipelines), 730612 (for oil and gas pipelines), 730613 (other circular cross-section pipes), and 730619 (other welded steel pipes). This subheading covers welded steel pipes not specified in other subheadings, such as structural pipes, mechanical pipes, etc.
Classification Basis
This commodity is a welded steel pipe and does not meet the specific use or material requirements of 730611 to 730618, so it is classified under 730619 "other welded steel pipes." If it were a seamless pipe, it would be classified under 7304; if it were a cast iron pipe, under 7303; if it were a pipe fitting with tube fittings, under 7307. In addition, if it were a stainless steel welded pipe, it should preferentially be classified under other subheadings of 7306 (such as the stainless steel subheadings among 730611-730619), but 730619 generally refers to other welded steel pipes that are not stainless steel.
📝 Declaration Elements
Product Name: The Chinese and English names of the declared commodity, which should accurately reflect the commodity's attributes, such as "other welded steel pipes" or the specific use name. Material: The material of the declared steel pipe, such as carbon steel, alloy steel, etc., and indicate the grade or chemical composition. Processing Technology: Explain the welding method, such as high-frequency resistance welding, submerged arc welding, spiral welding, etc., and whether subsequent treatment has been applied. Cross-sectional Shape: Declare the cross-sectional shape, such as circular, square, rectangular, etc., and indicate dimensions such as outer diameter and wall thickness. Use: Declare the main use, such as for structures, fluid conveyance, mechanical processing, etc. Specifications and Models: Declare specific specifications, such as outer diameter × wall thickness × length, and model standards (such as API 5L, GB/T 3091). Surface Treatment: Declare the surface condition, such as black pipe, galvanized, plastic-coated, etc., and whether anti-corrosion treatment has been applied. Product Name: Other welded steel pipes; Material: Carbon steel, grade Q235B; Processing Technology: High-frequency resistance welding; Cross-sectional Shape: Circular, outer diameter 114.3mm, wall thickness 4.0mm; Use: For structural support; Specifications and Models: 114.3×4.0×6000mm, applicable standard GB/T 3091; Surface Treatment: Black pipe, not galvanized. Mistakenly classifying stainless steel welded pipes under 730619, when they should actually be classified under the stainless steel subheadings among 730611-730619. Failing to indicate the welding method, leading to confusion with seamless pipes (7304). Ignoring surface treatment (such as galvanizing), which may affect classification under subheadings such as 730630.
Product Name
The Chinese and English names of the declared commodity, which should accurately reflect the commodity's attributes, such as "other welded steel pipes" or the specific use name.
⚠️ Writing only "steel pipe" without indicating the welding process or use, leading to classification disputes.
Material
The material of the declared steel pipe, such as carbon steel, alloy steel, etc., and indicate the grade or chemical composition.
⚠️ Confusing carbon steel with alloy steel, or failing to provide a specific grade, making it impossible to determine.
Processing Technology
Explain the welding method, such as high-frequency resistance welding, submerged arc welding, spiral welding, etc., and whether subsequent treatment has been applied.
⚠️ Mistakenly declaring a seamless pipe as a welded pipe, or failing to indicate the welding method.
Cross-sectional Shape
Declare the cross-sectional shape, such as circular, square, rectangular, etc., and indicate dimensions such as outer diameter and wall thickness.
⚠️ Failing to provide specific dimensions, or confusing circular pipes with profiled pipes.
Use
Declare the main use, such as for structures, fluid conveyance, mechanical processing, etc.
⚠️ The use description is too broad, such as "industrial use," making it impossible to distinguish specific subheadings.
Specifications and Models
Declare specific specifications, such as outer diameter × wall thickness × length, and model standards (such as API 5L, GB/T 3091).
⚠️ Incomplete specifications, or failure to indicate the applicable standard.
Surface Treatment
Declare the surface condition, such as black pipe, galvanized, plastic-coated, etc., and whether anti-corrosion treatment has been applied.
⚠️ Failing to indicate treatments such as galvanizing, which may affect classification (e.g., galvanized pipes may be classified under other subheadings).
Example： Product Name: Other welded steel pipes; Material: Carbon steel, grade Q235B; Processing Technology: High-frequency resistance welding; Cross-sectional Shape: Circular, outer diameter 114.3mm, wall thickness 4.0mm; Use: For structural support; Specifications and Models: 114.3×4.0×6000mm, applicable standard GB/T 3091; Surface Treatment: Black pipe, not galvanized.
Common Mistakes：
Mistakenly classifying stainless steel welded pipes under 730619, when they should actually be classified under the stainless steel subheadings among 730611-730619.
Failing to indicate the welding method, leading to confusion with seamless pipes (7304).
Ignoring surface treatment (such as galvanizing), which may affect classification under subheadings such as 730630.
🎯 Classification Logic
The core basis for classification is: 1) the material is iron or steel; 2) the processing technology is welding; 3) it does not belong to a more specific subheading under 7306 (such as for oil and gas pipelines, stainless steel pipes, etc.). If it is a stainless steel welded pipe, the stainless steel subheadings among 730611-730619 should be considered first (depending on cross-sectional shape and use). In addition, if the steel pipe has tube fittings or has been made into a specific article, it may be classified under 7307 or Chapter 84. 730419 Other seamless steel pipes: Seamless steel pipes are made by processes such as piercing and rolling, without welds; welded steel pipes have welds. The processing technology must be confirmed during classification. 730630 Other welded steel pipes of circular cross-section: 730630 refers to welded steel pipes of circular cross-section, but usually refers to a specific material or use; 730619 refers to other welded steel pipes, which may include non-circular cross-sections. 730640 Other welded stainless steel pipes of circular cross-section: 730640 specifically refers to welded stainless steel pipes, with stainless steel as the material; 730619 refers to welded steel pipes of other materials. 730690 Other welded steel pipes and hollow profiles: 730690 is a residual subheading for welded steel pipes and hollow profiles, but 730619 refers to other welded steel pipes and may be more specific. Distinguish based on cross-section and use. 730799 Other tube or pipe fittings of iron or steel: 730799 refers to tube fittings, such as joints, elbows, etc.; 730619 refers to the steel pipe itself, without fittings. Confirm whether the processing technology is welding (with welds). Confirm whether the material is stainless steel (if so, it should be classified under other subheadings of 7306). Confirm whether the cross-sectional shape is circular (non-circular may be classified under other subheadings of 7306). Confirm whether the use is for oil and gas pipelines (if so, classify under 730611/730612). Confirm whether it has tube fittings (if so, classify under 7307).
Basis
The core basis for classification is: 1) the material is iron or steel; 2) the processing technology is welding; 3) it does not belong to a more specific subheading under 7306 (such as for oil and gas pipelines, stainless steel pipes, etc.). If it is a stainless steel welded pipe, the stainless steel subheadings among 730611-730619 should be considered first (depending on cross-sectional shape and use). In addition, if the steel pipe has tube fittings or has been made into a specific article, it may be classified under 7307 or Chapter 84.
Confused Codes：
730419 - Other seamless steel pipes
Seamless steel pipes are made by processes such as piercing and rolling, without welds; welded steel pipes have welds. The processing technology must be confirmed during classification.
730630 - Other welded steel pipes of circular cross-section
730630 refers to welded steel pipes of circular cross-section, but usually refers to a specific material or use; 730619 refers to other welded steel pipes, which may include non-circular cross-sections.
730640 - Other welded stainless steel pipes of circular cross-section
730640 specifically refers to welded stainless steel pipes, with stainless steel as the material; 730619 refers to welded steel pipes of other materials.
730690 - Other welded steel pipes and hollow profiles
730690 is a residual subheading for welded steel pipes and hollow profiles, but 730619 refers to other welded steel pipes and may be more specific. Distinguish based on cross-section and use.
730799 - Other tube or pipe fittings of iron or steel
730799 refers to tube fittings, such as joints, elbows, etc.; 730619 refers to the steel pipe itself, without fittings.
Self-Check：
✓ Confirm whether the processing technology is welding (with welds).
✓ Confirm whether the material is stainless steel (if so, it should be classified under other subheadings of 7306).
✓ Confirm whether the cross-sectional shape is circular (non-circular may be classified under other subheadings of 7306).
✓ Confirm whether the use is for oil and gas pipelines (if so, classify under 730611/730612).
✓ Confirm whether it has tube fittings (if so, classify under 7307).
❓ FAQ
How to determine whether a welded steel pipe should be classified under 730619 or 730630? 730630 refers to "other welded steel pipes of circular cross-section," usually referring to circular welded pipes of a specific material or use; 730619 refers to "other welded steel pipes," covering welded steel pipes not otherwise specified. If your steel pipe is of circular cross-section and not specified in other subheadings, it may be classified under 730630; if it is of non-circular cross-section or for special use, it may be classified under 730619. The specific determination should be made based on material, cross-section, and use. Does 730619 include stainless steel welded steel pipes? No. Stainless steel welded steel pipes should be classified under the stainless steel subheadings of 7306, such as 730611 (stainless steel welded pipes for oil and gas pipelines), 730640 (other welded stainless steel pipes of circular cross-section), etc. 730619 generally refers to other welded steel pipes that are not stainless steel. How are welded steel pipes and seamless steel pipes distinguished in HS codes? Welded steel pipes are classified under 7306, and seamless steel pipes under 7304. The key difference lies in the processing technology: welded pipes have welds, while seamless pipes do not. Proof of processing technology, such as the welding method, must be provided at declaration. If a welded steel pipe is used for oil and gas pipelines, which code should it be classified under? If used for oil and gas pipelines, it should preferentially be classified under specific subheadings such as 730611 (stainless steel) or 730612 (other alloy steel). 730619 is a residual subheading and is used only when it does not meet other specific subheadings. Are galvanized welded steel pipes classified under 730619? Galvanized welded steel pipes may be classified under 730630 (other welded steel pipes of circular cross-section) or 730619, depending on the cross-sectional shape and specific subheading. If they are of circular cross-section and galvanized, they are usually classified under 730630; if non-circular, they may be classified under 730619. It is recommended to indicate the galvanizing process at declaration. What key declaration elements are required when declaring 730619? Product name, material, processing technology (welding method), cross-sectional shape and dimensions, use, specifications and models, surface treatment, etc. are required. Ensure the information is complete so that customs can classify accurately. What are the export tax rebate rate and tariff rate for 730619? Tax rates change with national policies. It is recommended to consult the latest "Customs Import and Export Tariff of the People's Republic of China" or obtain real-time rates through the General Administration of Customs website or professional customs declaration software. Generally, the most-favored-nation rate, general rate, and export tax rebate rate can be queried by HS code in the tariff schedule. If a welded steel pipe has a flange, which code should it be classified under? If the steel pipe has tube fittings such as flanges and already constitutes the characteristics of a pipe fitting, it should be classified under 7307 (tube or pipe fittings); if it is only a welded steel pipe and the flange is for temporary protection, it is still classified under 7306. The specific determination should be based on whether the fitting is permanently fixed and its function.
Q: How to determine whether a welded steel pipe should be classified under 730619 or 730630?
A: 730630 refers to "other welded steel pipes of circular cross-section," usually referring to circular welded pipes of a specific material or use; 730619 refers to "other welded steel pipes," covering welded steel pipes not otherwise specified. If your steel pipe is of circular cross-section and not specified in other subheadings, it may be classified under 730630; if it is of non-circular cross-section or for special use, it may be classified under 730619. The specific determination should be made based on material, cross-section, and use.
Q: Does 730619 include stainless steel welded steel pipes?
A: No. Stainless steel welded steel pipes should be classified under the stainless steel subheadings of 7306, such as 730611 (stainless steel welded pipes for oil and gas pipelines), 730640 (other welded stainless steel pipes of circular cross-section), etc. 730619 generally refers to other welded steel pipes that are not stainless steel.
Q: How are welded steel pipes and seamless steel pipes distinguished in HS codes?
A: Welded steel pipes are classified under 7306, and seamless steel pipes under 7304. The key difference lies in the processing technology: welded pipes have welds, while seamless pipes do not. Proof of processing technology, such as the welding method, must be provided at declaration.
Q: If a welded steel pipe is used for oil and gas pipelines, which code should it be classified under?
A: If used for oil and gas pipelines, it should preferentially be classified under specific subheadings such as 730611 (stainless steel) or 730612 (other alloy steel). 730619 is a residual subheading and is used only when it does not meet other specific subheadings.
Q: Are galvanized welded steel pipes classified under 730619?
A: Galvanized welded steel pipes may be classified under 730630 (other welded steel pipes of circular cross-section) or 730619, depending on the cross-sectional shape and specific subheading. If they are of circular cross-section and galvanized, they are usually classified under 730630; if non-circular, they may be classified under 730619. It is recommended to indicate the galvanizing process at declaration.
Q: What key declaration elements are required when declaring 730619?
A: Product name, material, processing technology (welding method), cross-sectional shape and dimensions, use, specifications and models, surface treatment, etc. are required. Ensure the information is complete so that customs can classify accurately.
Q: What are the export tax rebate rate and tariff rate for 730619?
A: Tax rates change with national policies. It is recommended to consult the latest "Customs Import and Export Tariff of the People's Republic of China" or obtain real-time rates through the General Administration of Customs website or professional customs declaration software. Generally, the most-favored-nation rate, general rate, and export tax rebate rate can be queried by HS code in the tariff schedule.
Q: If a welded steel pipe has a flange, which code should it be classified under?
A: If the steel pipe has tube fittings such as flanges and already constitutes the characteristics of a pipe fitting, it should be classified under 7307 (tube or pipe fittings); if it is only a welded steel pipe and the flange is for temporary protection, it is still classified under 7306. The specific determination should be based on whether the fitting is permanently fixed and its function.
⚠️ 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.