Chapter 72 covers iron and steel and articles thereof, including pig iron, ferroalloys, direct reduced iron, scrap, ingots, semi-finished products, flat-rolled products, bars, rods, angles, shapes, sections, tubes, etc. This chapter is the foundational classification chapter for iron and steel products, covering a broad range from raw materials to primary processed products, but excluding further processed articles (such as Chapter 73). Heading 7217 covers iron or steel wire, i.e., solid iron or steel wire produced by drawing or extrusion, but with a surface that has been coated or plated. This includes galvanized, copper-plated, tin-plated, plastic-coated, etc., but is limited to wire products and does not include strip or sheet. First 2 digits 72: belongs to Chapter 72, iron and steel. Digits 3-4, 17: heading 7217, specifically iron or steel wire. Digits 5-6, 20: subheading 721720, referring to tin-plated iron or steel wire. The full code 721720 indicates tin-plated steel wire, i.e., iron or steel wire with a tin coating on the surface, typically used for manufacturing cable shielding, electronic components, woven mesh, etc. This commodity is tin-plated steel wire, which meets the definition of heading 7217 (iron or steel wire), and has a tin coating on the surface, corresponding to subheading 721720. If not tin-plated, it would be classified under 721710; if coated with other metals, it would be classified under 721730, etc. The difference from Chapter 73 articles is that this code covers raw material in wire form, not further processed into articles.
Chapter
Chapter 72 covers iron and steel and articles thereof, including pig iron, ferroalloys, direct reduced iron, scrap, ingots, semi-finished products, flat-rolled products, bars, rods, angles, shapes, sections, tubes, etc. This chapter is the foundational classification chapter for iron and steel products, covering a broad range from raw materials to primary processed products, but excluding further processed articles (such as Chapter 73).
Heading
Heading 7217 covers iron or steel wire, i.e., solid iron or steel wire produced by drawing or extrusion, but with a surface that has been coated or plated. This includes galvanized, copper-plated, tin-plated, plastic-coated, etc., but is limited to wire products and does not include strip or sheet.
Digit Breakdown
First 2 digits 72: belongs to Chapter 72, iron and steel. Digits 3-4, 17: heading 7217, specifically iron or steel wire. Digits 5-6, 20: subheading 721720, referring to tin-plated iron or steel wire. The full code 721720 indicates tin-plated steel wire, i.e., iron or steel wire with a tin coating on the surface, typically used for manufacturing cable shielding, electronic components, woven mesh, etc.
Classification Basis
This commodity is tin-plated steel wire, which meets the definition of heading 7217 (iron or steel wire), and has a tin coating on the surface, corresponding to subheading 721720. If not tin-plated, it would be classified under 721710; if coated with other metals, it would be classified under 721730, etc. The difference from Chapter 73 articles is that this code covers raw material in wire form, not further processed into articles.
📝 Declaration Elements
Product Name: The declared commodity name should be accurately described as "tin-plated steel wire," avoiding colloquial or vague names. Material: Declare the iron or steel material, such as non-alloy steel, stainless steel, etc., and indicate the grade or composition. Coating: Clearly specify the coating as tin, and may indicate the tin-plating method (electroplating, hot-dip) and coating thickness. Specifications and Dimensions: Declare wire diameter, length, coil weight, and other dimensional information, usually expressed in millimeters. Use: Declare the primary use, such as electronic components, cable shielding, woven mesh, etc. State: Declare the state of the wire, such as coil, straight length, coated, etc. Brand: Declare the brand or manufacturer name; if no brand, fill in "none." Model: Declare the product model or specification code for identification. Product Name: Tin-plated steel wire; Material: Non-alloy steel, grade Q195; Coating: Electroplated tin, thickness 0.5μm; Specifications: Diameter 0.5mm, coil, coil weight 25kg; Use: For manufacturing electronic component leads; State: Coil; Brand: None; Model: T-0.5. Failure to declare the coating type, resulting in classification as uncoated steel wire. Material declaration is not specific, such as only writing "steel," which may be questioned. Incorrect units for specifications and dimensions, such as reporting millimeters as centimeters.
Product Name
The declared commodity name should be accurately described as "tin-plated steel wire," avoiding colloquial or vague names.
⚠️ Misdeclared as "steel wire" or "tin wire," failing to reflect the tin-plated characteristic.
Material
Declare the iron or steel material, such as non-alloy steel, stainless steel, etc., and indicate the grade or composition.
⚠️ Only writing "steel" without specifying the specific material, leading to classification disputes.
Coating
Clearly specify the coating as tin, and may indicate the tin-plating method (electroplating, hot-dip) and coating thickness.
⚠️ Misdeclaring tin plating as galvanizing or failing to declare the coating.
Specifications and Dimensions
Declare wire diameter, length, coil weight, and other dimensional information, usually expressed in millimeters.
⚠️ Providing only length without diameter, or incorrect units.
Use
Declare the primary use, such as electronic components, cable shielding, woven mesh, etc.
⚠️ Use description is too broad, such as "industrial use."
State
Declare the state of the wire, such as coil, straight length, coated, etc.
⚠️ Failing to declare the state, affecting classification.
Brand
Declare the brand or manufacturer name; if no brand, fill in "none."
⚠️ Confusing brand with manufacturer.
Model
Declare the product model or specification code for identification.
⚠️ Confusing model with specifications and dimensions.
Failure to declare the coating type, resulting in classification as uncoated steel wire.
Material declaration is not specific, such as only writing "steel," which may be questioned.
Incorrect units for specifications and dimensions, such as reporting millimeters as centimeters.
🎯 Classification Logic
The core basis for classification is: 1. The product is iron or steel wire; 2. The surface is tin-plated; 3. It has not been further processed into articles. According to the Import and Export Tariff, heading 7217 covers iron or steel wire, and subheading 721720 specifically refers to tin-plated. If the coating is other metals or non-metals, it is classified under other subheadings. 721710 Uncoated steel wire: No coating on the surface, whereas 721720 has a tin coating. 721730 Other coated steel wire: The coating is zinc, copper, etc., rather than tin. 721790 Other steel wire: Not belonging to coating or plating, possibly profiled wire, etc. 732620 Articles of iron or steel wire: Already processed into articles, such as mesh, rope, etc., rather than raw material wire. Is it made of iron or steel? Is it in wire form (not sheet or strip)? Is the surface tin-plated? Has it not been further processed? Are the specifications and dimensions completely declared?
Basis
The core basis for classification is: 1. The product is iron or steel wire; 2. The surface is tin-plated; 3. It has not been further processed into articles. According to the Import and Export Tariff, heading 7217 covers iron or steel wire, and subheading 721720 specifically refers to tin-plated. If the coating is other metals or non-metals, it is classified under other subheadings.
Confused Codes：
721710 - Uncoated steel wire
No coating on the surface, whereas 721720 has a tin coating.
721730 - Other coated steel wire
The coating is zinc, copper, etc., rather than tin.
721790 - Other steel wire
Not belonging to coating or plating, possibly profiled wire, etc.
732620 - Articles of iron or steel wire
Already processed into articles, such as mesh, rope, etc., rather than raw material wire.
Self-Check：
✓ Is it made of iron or steel?
✓ Is it in wire form (not sheet or strip)?
✓ Is the surface tin-plated?
✓ Has it not been further processed?
✓ Are the specifications and dimensions completely declared?
❓ FAQ
What is the difference in HS codes between tin-plated steel wire and galvanized steel wire? Tin-plated steel wire is classified under 721720, and galvanized steel wire is classified under 721730 (other coated steel wire). The difference lies in the coating metal, and the coating type must be accurately specified when declaring. How can I check the import tariff rate for tin-plated steel wire? You can check the MFN rate, general rate, etc., by entering HS code 721720 on the General Administration of Customs website or tariff inquiry platform. Tariff rates may change, subject to the latest announcements. If tin-plated steel wire is used for woven mesh, is it still classified under 721720? If it is in raw material wire form, it is classified under 721720; if it has been woven into mesh, it is classified under 732620 (articles of iron or steel wire). Classification depends on the processing state. Is coating thickness mandatory to provide when declaring? Coating thickness is not a mandatory declaration element, but providing it helps customs confirm classification. If thickness affects classification (e.g., extremely thin coating may be regarded as uncoated), it must be provided. Is tin-plated stainless steel wire also classified under 721720? 721720 covers tin-plated wire of all iron or steel materials, including stainless steel. However, note that stainless steel wire may have a separate subheading, and judgment should be based on specific composition and coating. Does the packaging method of tin-plated steel wire affect classification? Packaging method generally does not affect classification, but if packaging causes the product to become an article (e.g., formed into a specific shape), it may change the classification. Usually, coils and spools do not affect it. If tin-plated steel wire has a plastic coating on the surface, how should it be classified? If plastic-coated after tin plating, it may be classified under 721790 (other steel wire) or as plastic-coated steel wire. Judgment should be based on the nature of the coating and classification rules. What documents are required for importing tin-plated steel wire? Typically, a contract, invoice, packing list, bill of lading, certificate of origin, etc., are required. If tariff preferences are involved, corresponding origin certification must be provided. Specific requirements are subject to customs.
Q: What is the difference in HS codes between tin-plated steel wire and galvanized steel wire?
A: Tin-plated steel wire is classified under 721720, and galvanized steel wire is classified under 721730 (other coated steel wire). The difference lies in the coating metal, and the coating type must be accurately specified when declaring.
Q: How can I check the import tariff rate for tin-plated steel wire?
A: You can check the MFN rate, general rate, etc., by entering HS code 721720 on the General Administration of Customs website or tariff inquiry platform. Tariff rates may change, subject to the latest announcements.
Q: If tin-plated steel wire is used for woven mesh, is it still classified under 721720?
A: If it is in raw material wire form, it is classified under 721720; if it has been woven into mesh, it is classified under 732620 (articles of iron or steel wire). Classification depends on the processing state.
Q: Is coating thickness mandatory to provide when declaring?
A: Coating thickness is not a mandatory declaration element, but providing it helps customs confirm classification. If thickness affects classification (e.g., extremely thin coating may be regarded as uncoated), it must be provided.
Q: Is tin-plated stainless steel wire also classified under 721720?
A: 721720 covers tin-plated wire of all iron or steel materials, including stainless steel. However, note that stainless steel wire may have a separate subheading, and judgment should be based on specific composition and coating.
Q: Does the packaging method of tin-plated steel wire affect classification?
A: Packaging method generally does not affect classification, but if packaging causes the product to become an article (e.g., formed into a specific shape), it may change the classification. Usually, coils and spools do not affect it.
Q: If tin-plated steel wire has a plastic coating on the surface, how should it be classified?
A: If plastic-coated after tin plating, it may be classified under 721790 (other steel wire) or as plastic-coated steel wire. Judgment should be based on the nature of the coating and classification rules.
Q: What documents are required for importing tin-plated steel wire?
A: Typically, a contract, invoice, packing list, bill of lading, certificate of origin, etc., are required. If tariff preferences are involved, corresponding origin certification must be provided. Specific requirements are subject to customs.
⚠️ 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.