Chapter 73 covers articles of iron or steel, including steel pipes, hollow profiles, steel structures, containers, cables, etc. This chapter follows Chapter 72 (iron and steel raw materials and primary products) and addresses further processed steel products. Heading 7304 covers seamless steel pipes, which are different from welded steel pipes (7305, 7306), and are widely used in petroleum, chemical, boiler, machinery manufacturing and other fields, making them important deeply processed steel products in international trade. Heading 7304 covers seamless steel pipes and hollow profiles, including those processed by different methods such as hot rolling, cold drawing, and cold rolling, as well as casing, tubing, and line pipe used for oil and gas drilling. Products under this heading are all seamless, i.e., made through piercing, rolling and other processes, with no weld seam. Under 7304, they are further subdivided by use, outer diameter, material, etc. 730439 refers to other hot-rolled seamless steel pipes (not stainless steel, not for oil drilling). Code 730439 has 6 digits: the first 2 digits "73" represent Chapter 73, articles of iron or steel; digits 3-4 "04" represent heading 7304, seamless steel pipes and hollow profiles; digits 5-6 "39" represent subheading 730439, specifically "other hot-rolled seamless steel pipes." The 5th digit "3" indicates not made of stainless steel and not for oil drilling; the 6th digit "9" indicates other. Note that under heading 7304 there are also 730411 (stainless steel for oil drilling), 730419 (other for oil drilling), 730422 (stainless steel for drilling), 730431 (cold-drawn or cold-rolled seamless steel pipes), etc. 730439 specifically refers to hot-rolled seamless steel pipes that are not stainless steel and not for oil drilling. This commodity is a hot-rolled seamless steel pipe, with hot rolling as the processing method, non-stainless steel material, and use other than oil drilling, so it is classified under 730439. If it were cold-drawn or cold-rolled, it should be classified under 730431; if made of stainless steel, it should be classified under 730411 or 730419, etc.; if for oil drilling, it should be classified under 730411 or 730419. Welded steel pipes are classified under 7305 or 7306. Correct classification requires comprehensive consideration of processing method, material, and use.
Chapter
Chapter 73 covers articles of iron or steel, including steel pipes, hollow profiles, steel structures, containers, cables, etc. This chapter follows Chapter 72 (iron and steel raw materials and primary products) and addresses further processed steel products. Heading 7304 covers seamless steel pipes, which are different from welded steel pipes (7305, 7306), and are widely used in petroleum, chemical, boiler, machinery manufacturing and other fields, making them important deeply processed steel products in international trade.
Heading
Heading 7304 covers seamless steel pipes and hollow profiles, including those processed by different methods such as hot rolling, cold drawing, and cold rolling, as well as casing, tubing, and line pipe used for oil and gas drilling. Products under this heading are all seamless, i.e., made through piercing, rolling and other processes, with no weld seam. Under 7304, they are further subdivided by use, outer diameter, material, etc. 730439 refers to other hot-rolled seamless steel pipes (not stainless steel, not for oil drilling).
Digit Breakdown
Code 730439 has 6 digits: the first 2 digits "73" represent Chapter 73, articles of iron or steel; digits 3-4 "04" represent heading 7304, seamless steel pipes and hollow profiles; digits 5-6 "39" represent subheading 730439, specifically "other hot-rolled seamless steel pipes." The 5th digit "3" indicates not made of stainless steel and not for oil drilling; the 6th digit "9" indicates other. Note that under heading 7304 there are also 730411 (stainless steel for oil drilling), 730419 (other for oil drilling), 730422 (stainless steel for drilling), 730431 (cold-drawn or cold-rolled seamless steel pipes), etc. 730439 specifically refers to hot-rolled seamless steel pipes that are not stainless steel and not for oil drilling.
Classification Basis
This commodity is a hot-rolled seamless steel pipe, with hot rolling as the processing method, non-stainless steel material, and use other than oil drilling, so it is classified under 730439. If it were cold-drawn or cold-rolled, it should be classified under 730431; if made of stainless steel, it should be classified under 730411 or 730419, etc.; if for oil drilling, it should be classified under 730411 or 730419. Welded steel pipes are classified under 7305 or 7306. Correct classification requires comprehensive consideration of processing method, material, and use.
📝 Declaration Elements
Product name: Declare the commodity name accurately reflecting the goods' attributes, such as "hot-rolled seamless steel pipe." Avoid vague generic terms. Material: Declare the specific material of the steel, such as carbon steel, alloy steel, etc., and indicate the grade (e.g., 20#, 45#). Processing method: Indicate hot rolling, cold drawing, cold rolling, etc. Hot-rolled seamless steel pipes should clearly state "hot-rolled." Outer diameter: Declare the outer diameter of the steel pipe in millimeters (mm), which must be consistent with the contract. Wall thickness: Declare the wall thickness of the steel pipe in millimeters (mm), which affects classification and tariff rate. Use: Declare the main use of the goods, such as structural use, pipeline use, machining, etc. Grade: Declare the specific grade or standard of the steel, such as GB/T 8163, ASTM A106, etc. Product name: Hot-rolled seamless steel pipe; Material: Carbon steel, grade 20#; Processing method: Hot-rolled; Outer diameter: 89mm; Wall thickness: 6mm; Use: For machining; Grade standard: GB/T 8163. Specifications: 89*6*6000mm. Quantity: 1000 kg; Origin: China. Misreporting hot-rolled as cold-rolled, leading to incorrect code. Failure to indicate whether the material is stainless steel, affecting subheading classification. Unclear declaration of use, possibly classified under oil drilling code.
Product name
Declare the commodity name accurately reflecting the goods' attributes, such as "hot-rolled seamless steel pipe." Avoid vague generic terms.
⚠️ Writing only "steel pipe" or "seamless pipe" without specifying hot-rolled and material.
Material
Declare the specific material of the steel, such as carbon steel, alloy steel, etc., and indicate the grade (e.g., 20#, 45#).
⚠️ Writing only "steel" or "iron and steel" without providing the specific grade.
Processing method
Indicate hot rolling, cold drawing, cold rolling, etc. Hot-rolled seamless steel pipes should clearly state "hot-rolled."
⚠️ Confusing hot rolling with cold rolling, or failing to indicate the processing method.
Outer diameter
Declare the outer diameter of the steel pipe in millimeters (mm), which must be consistent with the contract.
⚠️ Incorrect unit or failure to declare outer diameter.
Wall thickness
Declare the wall thickness of the steel pipe in millimeters (mm), which affects classification and tariff rate.
⚠️ False or omitted declaration of wall thickness.
Use
Declare the main use of the goods, such as structural use, pipeline use, machining, etc.
⚠️ Use description too broad, such as "industrial use."
Grade
Declare the specific grade or standard of the steel, such as GB/T 8163, ASTM A106, etc.
⚠️ Failure to provide grade or standard, leading to classification disputes.
Misreporting hot-rolled as cold-rolled, leading to incorrect code.
Failure to indicate whether the material is stainless steel, affecting subheading classification.
Unclear declaration of use, possibly classified under oil drilling code.
🎯 Classification Logic
The core basis for classification is the Import and Export Tariff and customs classification regulations. First determine whether it is a seamless steel pipe (7304), then determine the subheading based on processing method (hot-rolled/cold-drawn), material (stainless steel/other), and use (oil drilling/other). 730439 requires: non-stainless steel, non-oil drilling, hot-rolled. If it is alloy steel, attention must be paid to whether it belongs to other alloy steel, which may affect classification. At the same time, check whether dimensions, standards, etc. meet the note requirements. 730431 Cold-drawn or cold-rolled seamless steel pipes: Different processing method: 730431 is cold-drawn or cold-rolled, 730439 is hot-rolled. Cold-drawn pipes have high dimensional accuracy and smooth surface. 730419 Other seamless steel pipes for oil drilling: Different use: 730419 is used for oil drilling, 730439 is used for other purposes. Oil drilling pipes must meet API standards. 730411 Stainless steel seamless steel pipes for oil drilling: Both material and use are different: 730411 is stainless steel and used for oil drilling, 730439 is non-stainless steel and not for oil drilling. 730451 Other cold-drawn or cold-rolled seamless steel pipes: Different processing method: 730451 is cold-drawn or cold-rolled, 730439 is hot-rolled. And 730451 may include stainless steel or other materials. 730459 Other hot-rolled seamless steel pipes: Different material: 730459 is hot-rolled seamless steel pipe made of alloy steel, 730439 is hot-rolled seamless steel pipe made of non-alloy steel. Is it a seamless steel pipe? Is the processing method hot-rolled? Is the material non-stainless steel? Is the use non-oil drilling? Are complete declaration elements provided?
Basis
The core basis for classification is the Import and Export Tariff and customs classification regulations. First determine whether it is a seamless steel pipe (7304), then determine the subheading based on processing method (hot-rolled/cold-drawn), material (stainless steel/other), and use (oil drilling/other). 730439 requires: non-stainless steel, non-oil drilling, hot-rolled. If it is alloy steel, attention must be paid to whether it belongs to other alloy steel, which may affect classification. At the same time, check whether dimensions, standards, etc. meet the note requirements.
Confused Codes：
730431 - Cold-drawn or cold-rolled seamless steel pipes
Different processing method: 730431 is cold-drawn or cold-rolled, 730439 is hot-rolled. Cold-drawn pipes have high dimensional accuracy and smooth surface.
730419 - Other seamless steel pipes for oil drilling
Different use: 730419 is used for oil drilling, 730439 is used for other purposes. Oil drilling pipes must meet API standards.
730411 - Stainless steel seamless steel pipes for oil drilling
Both material and use are different: 730411 is stainless steel and used for oil drilling, 730439 is non-stainless steel and not for oil drilling.
730451 - Other cold-drawn or cold-rolled seamless steel pipes
Different processing method: 730451 is cold-drawn or cold-rolled, 730439 is hot-rolled. And 730451 may include stainless steel or other materials.
730459 - Other hot-rolled seamless steel pipes
Different material: 730459 is hot-rolled seamless steel pipe made of alloy steel, 730439 is hot-rolled seamless steel pipe made of non-alloy steel.
Self-Check：
✓ Is it a seamless steel pipe?
✓ Is the processing method hot-rolled?
✓ Is the material non-stainless steel?
✓ Is the use non-oil drilling?
✓ Are complete declaration elements provided?
❓ FAQ
How to check the import tariff rate for 730439? You can check through the General Administration of Customs website, China International Trade Single Window, or the Import and Export Tariff. Tariff rates may change due to origin, trade agreements, etc. It is recommended to refer to the latest tariff. You may also consult a professional customs broker. What is the difference in classification between hot-rolled seamless steel pipes and cold-drawn seamless steel pipes? Hot-rolled seamless steel pipes are classified under 730439, cold-drawn or cold-rolled seamless steel pipes under 730431. The two have different processing techniques: hot rolling is rolled at high temperature, cold drawing is drawn at room temperature. Classification should be declared according to the actual processing method. If my seamless steel pipe is used for oil drilling, which code should it be classified under? If made of stainless steel, classify under 730411; if made of other materials, classify under 730419. Proof of use such as API standards must be provided. 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#, 45#). Avoid writing only "steel." What is the difference between 730439 and 730459? 730439 is hot-rolled seamless steel pipe made of non-alloy steel, 730459 is hot-rolled seamless steel pipe made of alloy steel. Alloy steel contains a certain amount of alloying elements, and classification should be judged based on material composition. What documents are required for exporting hot-rolled seamless steel pipes? Usually requires contract, invoice, packing list, customs declaration form, certificate of origin, etc. If export tax rebate is involved, a VAT invoice must be provided. Specific requirements are subject to customs. How to determine whether my steel pipe belongs to "other hot-rolled seamless steel pipes"? It must simultaneously satisfy: seamless, hot-rolled, non-stainless steel, non-oil drilling. If any condition is not met, it is classified under other codes. How should "use" be filled in the declaration elements? Fill in the specific use, such as "for machining," "for structural support," etc., avoiding vague terms like "industrial use."
Q: How to check the import tariff rate for 730439?
A: You can check through the General Administration of Customs website, China International Trade Single Window, or the Import and Export Tariff. Tariff rates may change due to origin, trade agreements, etc. It is recommended to refer to the latest tariff. You may also consult a professional customs broker.
Q: What is the difference in classification between hot-rolled seamless steel pipes and cold-drawn seamless steel pipes?
A: Hot-rolled seamless steel pipes are classified under 730439, cold-drawn or cold-rolled seamless steel pipes under 730431. The two have different processing techniques: hot rolling is rolled at high temperature, cold drawing is drawn at room temperature. Classification should be declared according to the actual processing method.
Q: If my seamless steel pipe is used for oil drilling, which code should it be classified under?
A: If made of stainless steel, classify under 730411; if made of other materials, classify under 730419. Proof of use such as API standards must be provided.
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#, 45#). Avoid writing only "steel."
Q: What is the difference between 730439 and 730459?
A: 730439 is hot-rolled seamless steel pipe made of non-alloy steel, 730459 is hot-rolled seamless steel pipe made of alloy steel. Alloy steel contains a certain amount of alloying elements, and classification should be judged based on material composition.
Q: What documents are required for exporting hot-rolled seamless steel pipes?
A: Usually requires contract, invoice, packing list, customs declaration form, certificate of origin, etc. If export tax rebate is involved, a VAT invoice must be provided. Specific requirements are subject to customs.
Q: How to determine whether my steel pipe belongs to "other hot-rolled seamless steel pipes"?
A: It must simultaneously satisfy: seamless, hot-rolled, non-stainless steel, non-oil drilling. If any condition is not met, it is classified under other codes.
Q: How should "use" be filled in the declaration elements?
A: Fill in the specific use, such as "for machining," "for structural support," etc., avoiding vague terms like "industrial use."
⚠️ 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.