Chapter 72 covers iron and steel smelting and primary products, including pig iron, ferroalloys, scrap, ingots, semi-finished products (such as billets), flat-rolled products, bars and rods, angles, wire, etc. However, note: if iron and steel products are further processed into articles named in other chapters (such as machine parts, tools), they are classified in other chapters. This chapter is the core chapter for the classification of iron and steel products, involving the complete chain from raw materials to preliminary rolled products. Heading 7217 specifically refers to iron and steel wire (steel wire), i.e., wire drawn from hot-rolled or cold-rolled iron and steel, but excludes wire that has been processed into articles or whose surface coating exceeds the scope of this chapter. This heading is subdivided by coating and composition: 7217.10 is uncoated steel wire (whether or not polished); 7217.20 is galvanized steel wire; 7217.30 is copper-plated steel wire; 7217.90 is other coated steel wire (such as nickel-plated, chrome-plated, etc.). The first 2 digits 72: indicates Chapter 72, i.e., basic iron and steel materials. The 3rd-4th digits 17: indicates heading 7217, i.e., iron and steel wire, covering solid steel wire of various cross-sectional shapes, but excluding hollow wire, stranded wire, cables, etc. (classified in 7312). The 5th-6th digits 30: indicates subheading 7217.30, specifically copper-plated or copper-alloy-plated steel wire, i.e., steel wire whose surface is covered with a copper layer by electroplating or hot dipping. Note: if the copper layer is thicker than the steel substrate and becomes the essential character, it may be classified in Chapter 74 copper articles. The product is copper-plated steel wire, with the core characteristics of a steel substrate and a copper-plated surface. Heading 7217 explicitly includes 'copper-plated' steel wire, so it is classified in 7217.30. If it were uncoated steel wire, it would be classified in 7217.10; if galvanized, in 7217.20; if plated with other metals (such as nickel, chromium), in 7217.90. If the copper layer is too thick or copper becomes the main component, it may be classified in Chapter 74 copper wire (7408).
Chapter
Chapter 72 covers iron and steel smelting and primary products, including pig iron, ferroalloys, scrap, ingots, semi-finished products (such as billets), flat-rolled products, bars and rods, angles, wire, etc. However, note: if iron and steel products are further processed into articles named in other chapters (such as machine parts, tools), they are classified in other chapters. This chapter is the core chapter for the classification of iron and steel products, involving the complete chain from raw materials to preliminary rolled products.
Heading
Heading 7217 specifically refers to iron and steel wire (steel wire), i.e., wire drawn from hot-rolled or cold-rolled iron and steel, but excludes wire that has been processed into articles or whose surface coating exceeds the scope of this chapter. This heading is subdivided by coating and composition: 7217.10 is uncoated steel wire (whether or not polished); 7217.20 is galvanized steel wire; 7217.30 is copper-plated steel wire; 7217.90 is other coated steel wire (such as nickel-plated, chrome-plated, etc.).
Digit Breakdown
The first 2 digits 72: indicates Chapter 72, i.e., basic iron and steel materials. The 3rd-4th digits 17: indicates heading 7217, i.e., iron and steel wire, covering solid steel wire of various cross-sectional shapes, but excluding hollow wire, stranded wire, cables, etc. (classified in 7312). The 5th-6th digits 30: indicates subheading 7217.30, specifically copper-plated or copper-alloy-plated steel wire, i.e., steel wire whose surface is covered with a copper layer by electroplating or hot dipping. Note: if the copper layer is thicker than the steel substrate and becomes the essential character, it may be classified in Chapter 74 copper articles.
Classification Basis
The product is copper-plated steel wire, with the core characteristics of a steel substrate and a copper-plated surface. Heading 7217 explicitly includes 'copper-plated' steel wire, so it is classified in 7217.30. If it were uncoated steel wire, it would be classified in 7217.10; if galvanized, in 7217.20; if plated with other metals (such as nickel, chromium), in 7217.90. If the copper layer is too thick or copper becomes the main component, it may be classified in Chapter 74 copper wire (7408).
📝 Declaration Elements
Product name: The standard name of the declared commodity, which should include material, coating, and form, such as 'copper-plated steel wire'. Avoid using common names or vague names. Material: The specific material of the steel substrate, such as low carbon steel, high carbon steel, alloy steel, etc., as well as the purity or alloy composition of the copper layer. Specifications and dimensions: The cross-sectional dimensions of the steel wire (such as diameter), length, shape (round, square, etc.), and copper layer thickness (such as micrometers). Processing technology: Explain drawing, annealing, copper plating method (electroplating, hot dipping, etc.), and whether subsequent processing has been carried out (such as stranding, braiding). Use: Main use, such as cable shielding, tire steel wire, welding wire, electronic components, etc., to assist in determining classification. Brand: Manufacturer or brand name; if there is no brand, fill in 'no brand'. Model: Product model or item number, to facilitate identification of specific specifications. Packaging method: Packaging form, such as reel, spool, bundle, etc., affecting transportation and inspection. Product name: copper-plated steel wire; Material: low carbon steel substrate, copper layer purity ≥99.9%; Specifications: diameter 0.50mm, copper layer thickness 2μm, round cross-section, reel packaging; Processing technology: copper electroplating after drawing, not annealed; Use: used for cable shielding braiding; Brand: no brand; Model: CPW-050; Packaging: spool, 25kg per spool. The copper layer thickness is not indicated; if the copper layer is too thick, it may be classified in Chapter 74 copper wire. Mistakenly writing 'copper-plated' as 'copper-coated' or 'copper-clad', leading to classification deviation. Ignoring the substrate material; if it is alloy steel, it may involve other subheadings or anti-dumping duties.
Product name
The standard name of the declared commodity, which should include material, coating, and form, such as 'copper-plated steel wire'. Avoid using common names or vague names.
⚠️ Declaring only 'steel wire' or 'copper-clad steel wire' without specifying the copper plating process, leading to classification disputes.
Material
The specific material of the steel substrate, such as low carbon steel, high carbon steel, alloy steel, etc., as well as the purity or alloy composition of the copper layer.
⚠️ Writing only 'steel' or 'copper' without distinguishing the substrate from the coating, making it impossible to determine whether it belongs to 7217.
Specifications and dimensions
The cross-sectional dimensions of the steel wire (such as diameter), length, shape (round, square, etc.), and copper layer thickness (such as micrometers).
⚠️ Omitting the copper layer thickness, making it impossible to determine whether copper is the essential character.
Processing technology
Explain drawing, annealing, copper plating method (electroplating, hot dipping, etc.), and whether subsequent processing has been carried out (such as stranding, braiding).
⚠️ Not specifying the copper plating process, which may lead to incorrect classification as other coated steel wire.
Use
Main use, such as cable shielding, tire steel wire, welding wire, electronic components, etc., to assist in determining classification.
⚠️ The use description is too broad, such as 'industrial use', which cannot provide a reference for classification.
Brand
Manufacturer or brand name; if there is no brand, fill in 'no brand'.
⚠️ Ignoring the brand, but the brand sometimes affects price and classification (such as well-known brands possibly involving anti-dumping).
Model
Product model or item number, to facilitate identification of specific specifications.
⚠️ Incomplete model filling, resulting in inconsistency with the actual goods.
Packaging method
Packaging form, such as reel, spool, bundle, etc., affecting transportation and inspection.
⚠️ Unclear packaging description, such as 'bulk', which may affect customs inspection.
Example： Product name: copper-plated steel wire; Material: low carbon steel substrate, copper layer purity ≥99.9%; Specifications: diameter 0.50mm, copper layer thickness 2μm, round cross-section, reel packaging; Processing technology: copper electroplating after drawing, not annealed; Use: used for cable shielding braiding; Brand: no brand; Model: CPW-050; Packaging: spool, 25kg per spool.
Common Mistakes：
The copper layer thickness is not indicated; if the copper layer is too thick, it may be classified in Chapter 74 copper wire.
Mistakenly writing 'copper-plated' as 'copper-coated' or 'copper-clad', leading to classification deviation.
Ignoring the substrate material; if it is alloy steel, it may involve other subheadings or anti-dumping duties.
🎯 Classification Logic
Core basis for classification: 1) The product is iron and steel wire, meeting the basic definition of heading 7217; 2) The surface is copper-plated, meeting the description of subheading 7217.30; 3) It must be confirmed that the copper layer does not make copper the essential character (otherwise classified in Chapter 74); 4) Exclude products already processed into articles (such as stranded wire classified in 7312) or products clearly belonging to other chapters. Customs will examine declaration elements such as material, coating, dimensions, and process, and may conduct laboratory testing if necessary. 7217.10 Uncoated steel wire: Uncoated steel wire has no metal coating on the surface and may only be polished; copper-plated steel wire has a copper layer, so it is classified in 7217.30. If declared as uncoated but actually has a copper layer, it will lead to incorrect classification. 7217.20 Galvanized steel wire: Galvanized steel wire has a zinc layer on the surface, while copper-plated steel wire has a copper layer. The coating metals are different, so they are classified in different subheadings. If the coating is a zinc-copper alloy, it must be determined based on the main component. 7217.90 Other coated steel wire: Refers to other metal coatings such as nickel plating, chromium plating, or non-metal coatings (such as plastic). Copper-plated steel wire has a dedicated subheading and is not classified here. 7408.00 Copper wire: Copper wire is made of copper or copper alloy, while copper-plated steel wire has a steel substrate. If the copper layer is thicker than the steel substrate and becomes the essential character, it may be classified as copper wire. 7312.10 Stranded wire, ropes, cables: Stranded wire is made by twisting multiple steel wires together, while copper-plated steel wire is a single wire. If copper-plated steel wire is further twisted, it is classified in 7312. Is the substrate iron or steel? Is the surface copper-plated? Does the copper layer thickness not exceed the substrate to become the essential character? Is it a single wire rather than stranded? Has it not been processed into articles of other chapters?
Basis
Core basis for classification: 1) The product is iron and steel wire, meeting the basic definition of heading 7217; 2) The surface is copper-plated, meeting the description of subheading 7217.30; 3) It must be confirmed that the copper layer does not make copper the essential character (otherwise classified in Chapter 74); 4) Exclude products already processed into articles (such as stranded wire classified in 7312) or products clearly belonging to other chapters. Customs will examine declaration elements such as material, coating, dimensions, and process, and may conduct laboratory testing if necessary.
Confused Codes：
7217.10 - Uncoated steel wire
Uncoated steel wire has no metal coating on the surface and may only be polished; copper-plated steel wire has a copper layer, so it is classified in 7217.30. If declared as uncoated but actually has a copper layer, it will lead to incorrect classification.
7217.20 - Galvanized steel wire
Galvanized steel wire has a zinc layer on the surface, while copper-plated steel wire has a copper layer. The coating metals are different, so they are classified in different subheadings. If the coating is a zinc-copper alloy, it must be determined based on the main component.
7217.90 - Other coated steel wire
Refers to other metal coatings such as nickel plating, chromium plating, or non-metal coatings (such as plastic). Copper-plated steel wire has a dedicated subheading and is not classified here.
7408.00 - Copper wire
Copper wire is made of copper or copper alloy, while copper-plated steel wire has a steel substrate. If the copper layer is thicker than the steel substrate and becomes the essential character, it may be classified as copper wire.
7312.10 - Stranded wire, ropes, cables
Stranded wire is made by twisting multiple steel wires together, while copper-plated steel wire is a single wire. If copper-plated steel wire is further twisted, it is classified in 7312.
Self-Check：
✓ Is the substrate iron or steel?
✓ Is the surface copper-plated?
✓ Does the copper layer thickness not exceed the substrate to become the essential character?
✓ Is it a single wire rather than stranded?
✓ Has it not been processed into articles of other chapters?
❓ FAQ
What is the difference between copper-plated steel wire and copper-clad steel wire? Are the HS codes the same? Copper-plated steel wire usually refers to steel wire with a thin copper layer on the surface by electroplating, etc., with a steel substrate, classified in 7217.30. Copper-clad steel wire may refer to a thicker copper layer or a copper layer tightly bonded to the steel core; if the copper layer becomes the essential character, it may be classified in Chapter 74 copper wire (7408). The key difference lies in the copper layer thickness and proportion; it is recommended to provide the copper layer thickness and weight ratio. How to inquire about the import tax rate for copper-plated steel wire? The tax rate depends on the country of origin, trade agreements, etc. It can be inquired through the official website of the General Administration of Customs, China International Trade Single Window, or by consulting a customs broker. Note: tax rates may change and may involve anti-dumping duties; it is recommended to refer to the latest announcements. When declaring copper-plated steel wire, is it mandatory to provide the copper layer thickness? Yes, the copper layer thickness is a key element for determining classification. If the copper layer is too thick (such as exceeding 10% of the substrate diameter), it may be identified as a copper article. Customs may require a test report; it is recommended to prepare in advance. Are there special provisions for the classification of copper-plated steel wire used in tire manufacturing? If copper-plated steel wire is used for tire reinforcement and is a single wire, it is still classified in 7217.30. However, if it has been processed into tire cord (such as stranded wire), it is classified in 7312.10. It must be determined based on the actual form. How to distinguish HS codes 721730 and 721790? 721730 specifically refers to copper-plated steel wire, and 721790 refers to other coated steel wire (such as nickel-plated, chrome-plated, plastic-coated, etc.). If the coating is a copper alloy, it must be determined based on the main component: if copper is the main coating metal, classify in 721730; otherwise, classify in 721790. What declaration information is required for cross-border e-commerce sales of copper-plated steel wire? It is necessary to provide product name, material, specifications, use, brand, model, etc. For small parcel exports, it can be simplified but classification accuracy must be ensured. It is recommended to use standard declaration elements to avoid return or fines due to classification errors. Is the export tax rebate for copper-plated steel wire different from ordinary steel wire? The export tax rebate rate depends on the HS code and the policy at the time. The rebate rate for 721730 may differ from 721710; it is necessary to check the latest export tax rebate rate database. Also note that copper-plated steel wire may involve dual-use item controls; it is necessary to confirm whether a license is required. If the copper layer of copper-plated steel wire is an alloy (such as brass), does the classification change? If the copper layer is a copper alloy, it is still classified in 7217.30, because the subheading description is 'copper-plated or copper-alloy-plated'. However, the alloy composition must be indicated at the time of declaration so that customs can confirm. If the alloy elements change the nature of the coating, it may affect classification.
Q: What is the difference between copper-plated steel wire and copper-clad steel wire? Are the HS codes the same?
A: Copper-plated steel wire usually refers to steel wire with a thin copper layer on the surface by electroplating, etc., with a steel substrate, classified in 7217.30. Copper-clad steel wire may refer to a thicker copper layer or a copper layer tightly bonded to the steel core; if the copper layer becomes the essential character, it may be classified in Chapter 74 copper wire (7408). The key difference lies in the copper layer thickness and proportion; it is recommended to provide the copper layer thickness and weight ratio.
Q: How to inquire about the import tax rate for copper-plated steel wire?
A: The tax rate depends on the country of origin, trade agreements, etc. It can be inquired through the official website of the General Administration of Customs, China International Trade Single Window, or by consulting a customs broker. Note: tax rates may change and may involve anti-dumping duties; it is recommended to refer to the latest announcements.
Q: When declaring copper-plated steel wire, is it mandatory to provide the copper layer thickness?
A: Yes, the copper layer thickness is a key element for determining classification. If the copper layer is too thick (such as exceeding 10% of the substrate diameter), it may be identified as a copper article. Customs may require a test report; it is recommended to prepare in advance.
Q: Are there special provisions for the classification of copper-plated steel wire used in tire manufacturing?
A: If copper-plated steel wire is used for tire reinforcement and is a single wire, it is still classified in 7217.30. However, if it has been processed into tire cord (such as stranded wire), it is classified in 7312.10. It must be determined based on the actual form.
Q: How to distinguish HS codes 721730 and 721790?
A: 721730 specifically refers to copper-plated steel wire, and 721790 refers to other coated steel wire (such as nickel-plated, chrome-plated, plastic-coated, etc.). If the coating is a copper alloy, it must be determined based on the main component: if copper is the main coating metal, classify in 721730; otherwise, classify in 721790.
Q: What declaration information is required for cross-border e-commerce sales of copper-plated steel wire?
A: It is necessary to provide product name, material, specifications, use, brand, model, etc. For small parcel exports, it can be simplified but classification accuracy must be ensured. It is recommended to use standard declaration elements to avoid return or fines due to classification errors.
Q: Is the export tax rebate for copper-plated steel wire different from ordinary steel wire?
A: The export tax rebate rate depends on the HS code and the policy at the time. The rebate rate for 721730 may differ from 721710; it is necessary to check the latest export tax rebate rate database. Also note that copper-plated steel wire may involve dual-use item controls; it is necessary to confirm whether a license is required.
Q: If the copper layer of copper-plated steel wire is an alloy (such as brass), does the classification change?
A: If the copper layer is a copper alloy, it is still classified in 7217.30, because the subheading description is 'copper-plated or copper-alloy-plated'. However, the alloy composition must be indicated at the time of declaration so that customs can confirm. If the alloy elements change the nature of the coating, it may affect 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.