HTS heading 7315 · Chapter 73
HTS 7315: Chain and parts thereof, of iron or steel
HTS heading 7315 covers chain and parts thereof, of iron or steel. It has 21 tariff lines with a duty rate; the general (MFN) rates are Free (18 lines), 1.5% (1 line), 3.9% (1 line) and others.
Imports may also owe Chapter 99 tariffs (Section 232, 301 or 201) depending on origin and date, plus the Merchandise Processing Fee and, by sea, the Harbor Maintenance Fee.
Rates from the 2026 HTS Revision 22, effective October 30, 2026. Source: U.S. International Trade Commission.
Tariff lines and duty rates
| HTS code | Description | General | Special | Column 2 | Estimate |
|---|---|---|---|---|---|
| Articulated link chain and parts thereof: | |||||
| 7315.11.00 | Roller chain | Free | 40% | ||
| 7315.11.00.05 | For motor vehicles[kg] | Estimate → | |||
| Other: | |||||
| Of not over 50 mm pitch and containing more than 3 parts per pitch: | |||||
| 7315.11.00.10 | Bicycle chains[kg] | Estimate → | |||
| 7315.11.00.45 | Other[kg] | Estimate → | |||
| 7315.11.00.60 | Other[kg] | Estimate → | |||
| 7315.12.00 | Other chain | Free | 40% | ||
| 7315.12.00.20 | Of not over 50 mm pitch and containing more than 3 parts per pitch[kg] | Estimate → | |||
| Other: | |||||
| 7315.12.00.40 | Welded steel chain[kg] | Estimate → | |||
| 7315.12.00.60 | Cast and combination chain[kg] | Estimate → | |||
| 7315.12.00.80 | Other[kg] | Estimate → | |||
| 7315.19.00.00 | Parts[kg] | Free | 40% | Estimate → | |
| 7315.20 | Skid chain: | ||||
| 7315.20.10.00 | Not over 8 mm in diameter[kg] | Free | 10% | Estimate → | |
| 7315.20.50.00 | Over 8 mm in diameter[kg] | Free | 2.5¢/kg | Estimate → | |
| Other chain: | |||||
| 7315.81.00.00 | Stud link[kg] | Free | 4.4¢/kg | Estimate → | |
| 7315.82 | Other, welded link: | ||||
| Of alloy steel: | |||||
| 7315.82.10.00 | Not over 10 mm in diameter[kg] | Free | 10% | Estimate → | |
| 7315.82.30.00 | Over 10 mm in diameter[kg] | Free | 10% | Estimate → | |
| Of iron or nonalloy steel: | |||||
| 7315.82.50.00 | Not over 10 mm in diameter[kg] | Free | 10% | Estimate → | |
| 7315.82.70.00 | Over 10 mm in diameter[kg] | Free | 10% | Estimate → | |
| 7315.89 | Other: | ||||
| With links of essentially round cross sections: | |||||
| 7315.89.10.00 | Not over 8 mm in diameter[kg] | 1.5% | Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 10% | Estimate → |
| 7315.89.30.00 | Over 8 mm in diameter[kg] | Free | 4.7¢/kg | Estimate → | |
| 7315.89.50.00 | Other[kg] | 3.9% | Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | Estimate → |
| 7315.90.00.00 | Other parts[kg] | 2.9% | Free (A*,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 45% | Estimate → |
| 7316.00.00.00 | Anchors, grapnels and parts thereof, of iron or steel[No., kg] | Free | 25% | Estimate → | |
| 7317.00 | Nails, tacks, drawing pins, corrugated nails, staples (other than those of heading 8305) and similar articles, of iron or steel, whether or not with heads of other material, but excluding such articles with heads of copper: | ||||
| 7317.00.10.00 | Thumb tacks[kg] | Free | 4% | Estimate → | |
| Other, suitable for use in powder-actuated handtools: | |||||
| 7317.00.20.00 | Not threaded[kg] | Free | 1.5¢/kg | Estimate → | |
| 7317.00.30.00 | Threaded[kg] | Free | 45% | Estimate → | |
| Other: | |||||
| Of one piece construction: | |||||
| 7317.00.55 | Made of round wire | Free | 3.5% | ||
| Collated nails: | |||||
| 7317.00.55.01 | Collated roofing nails with a length of 20.6 mm to 46.1 mm, a head diameter of 8.3 mm to 10.6 mm, a shank diameter of 2.5 mm to 3.2 mm, whether or not galvanized[kg] | Estimate → | |||
| Other: | |||||
| Assembled in a wire coil: | |||||
| 7317.00.55.02 | Galvanized[kg] | Estimate → | |||
| 7317.00.55.03 | Other[kg] | Estimate → | |||
| Assembled in a plastic strip: | |||||
| 7317.00.55.05 | Galvanized[kg] | Estimate → | |||
| 7317.00.55.07 | Other[kg] | Estimate → | |||
| 7317.00.55.08 | Assembled in a paper strip[kg] | Estimate → | |||
| 7317.00.55.11 | Assembled in a wire strip[kg] | Estimate → | |||
| 7317.00.55.18 | Other[kg] | Estimate → | |||
| Other: | |||||
| 7317.00.55.19 | With a length of less than 25.4 mm and with a diameter of less than 1.65 mm[kg] | Estimate → | |||
| Other: | |||||
| Smooth shank: | |||||
| 7317.00.55.20 | Not coated, plated or painted[kg] | Estimate → | |||
| Coated, plated or painted: | |||||
| 7317.00.55.30 | Galvanized[kg] | Estimate → | |||
| 7317.00.55.40 | Vinyl, resin or cement coated[kg] | Estimate → | |||
| 7317.00.55.50 | Other[kg] | Estimate → | |||
| Other: | |||||
| 7317.00.55.60 | Not coated, plated or painted[kg] | Estimate → | |||
| Coated, plated or painted: | |||||
| 7317.00.55.70 | Galvanized[kg] | Estimate → | |||
| 7317.00.55.80 | Vinyl, resin or cement coated[kg] | Estimate → | |||
| 7317.00.55.90 | Other[kg] | Estimate → | |||
| 7317.00.65 | Other | Free | 5.5% | ||
| 7317.00.65.30 | Cut[kg] | Estimate → | |||
| 7317.00.65.60 | Other[kg] | Estimate → | |||
| 7317.00.75.00 | Of two or more pieces[kg] | Free | 8% | Estimate → |
48 lines shown. Statistical suffixes (the last two digits) inherit the rate of the 8-digit subheading above them.
Example: base duty and fees on $10000
For HTS 7315.89.10.00 at the general rate of 1.5%, shipped by ocean, before any Chapter 99 tariffs:
| Base duty (1.5%) | $150.00 |
| Merchandise Processing Fee (0.3464%, min $34.58) | $34.64 |
| Harbor Maintenance Fee (0.125%) | $12.50 |
| Duty and fees | $197.14 |
Origin-specific tariffs can multiply this. Run this example from China or from Mexico to see every line.
Special program codes in this heading
- A, A*, A+
- Generalized System of Preferences (GSP)
- AU
- U.S.–Australia FTA
- B
- Automotive Products Trade Act
- BH
- U.S.–Bahrain FTA
- CL
- U.S.–Chile FTA
- CO
- U.S.–Colombia Trade Promotion Agreement
- D
- African Growth and Opportunity Act (AGOA)
- E, E*
- Caribbean Basin Economic Recovery Act
- IL
- U.S.–Israel FTA
- JO
- U.S.–Jordan FTA
- KR
- U.S.–Korea FTA (KORUS)
- MA
- U.S.–Morocco FTA
- OM
- U.S.–Oman FTA
- P, P+
- CAFTA-DR
- PA
- U.S.–Panama Trade Promotion Agreement
- PE
- U.S.–Peru Trade Promotion Agreement
- S, S+
- USMCA (United States–Mexico–Canada Agreement)
- SG
- U.S.–Singapore FTA
A special rate applies only when the goods qualify under that program's rules of origin and the claim is made at entry.
Frequently asked questions
What is the duty rate for HTS 7315?
Heading 7315 has 21 rate lines. The general (MFN) duty rates are Free (18 lines), 1.5% (1 line), 3.9% (1 line), 2.9% (1 line). Products of free trade agreement partners may enter at the special rate, and Column 2 rates apply to countries without normal trade relations. Chapter 99 tariffs can be added on top: calculate the full amount.
Do Section 301, 232 or 201 tariffs apply to HTS 7315?
It depends on the 8- or 10-digit subheading, the country of origin, the entry date and, for Section 232, the metal content. These additional duties are listed in Chapter 99 of the HTS. The free duty calculator checks each program for a given code, origin and date and shows which apply and why.
What fees are added to an import under HTS 7315?
Formal entries pay the Merchandise Processing Fee of 0.3464% of value (minimum $34.58, maximum $670.86 in FY2027). Ocean shipments also pay the Harbor Maintenance Fee of 0.125% of value. See the import duty calculator for how they combine.