Beryllium Copper Bronze Sheet
Beryllium copper bronze sheet, alloy 172, contains trace tin and meets the bronze criteria under the subheading note. It is supplied in thicknesses of 1 mm and widths of 480 mm, commonly used for springs and electrical contacts. This product is classified under tariff item 7409.39.00 as a sheet of copper-tin base alloy (bronze).
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the alloy is classified as brass due to zinc predominance
If zinc is the predominant alloying element, the product would be classified as a copper-zinc alloy.
If the alloy does not meet the bronze definition
Other copper alloys not meeting specific subheading criteria may fall under this residual heading.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Verify that the tin content is sufficient to classify the alloy as bronze under the subheading note
• The sheet thickness must exceed 0.15 mm; provide the alloy composition certificate
• Confirm the width is less than 500 mm to match the product description
Related Products under Tariff item 7409.39.00
Aluminum Bronze C95400 Plate
Aluminum bronze C95400 plate is a copper-based alloy with aluminum and tin, where tin predominates over aluminum as per the subheading note. It is supplied in thicknesses of 1 mm and widths of 400 mm, making it ideal for marine hardware and heavy-duty applications. This product is classified under tariff item 7409.39.00 as a plate of copper-tin base alloy (bronze).
Aluminum Bronze C95400 Strip
C95400 aluminum bronze strip with 85% copper, 4% aluminum, 4% iron, qualifying as a copper-tin bronze variant with trace tin, thickness 0.5 mm, width 550 mm. This product falls under tariff item 7409.39.00 as 'other' bronze strip exceeding 0.15 mm thickness.
Aluminum Bronze Slab 7mm
Aluminum bronze slab, 7mm thick, made from C95400 alloy. This is a copper-tin base alloy where tin predominates over aluminum, classifying it as bronze under subheading note 1(b). The thickness exceeds 0.15mm, so it falls under tariff item 7409.39.00 as 'Other' bronze plates, sheets, and strip.
Bronze Backing Plate 5.2mm
Bronze backing plate, 5.2mm thick, used for bearings. This is a copper-tin base alloy (bronze) with tin predominating over other elements. The thickness exceeds 0.15mm, so it is classified under tariff item 7409.39.00 as 'Other' bronze plates.
C51000 Bronze Sheet 6mm Thick
Industrial-grade C51000 phosphor bronze sheet, 6mm thick, used in heavy-duty bearings and bushings. This is a copper-tin base alloy with phosphorus, where tin predominates over other elements, classifying it as bronze. The thickness exceeds 0.15mm, so it falls under tariff item 7409.39.00.
C51000 Phosphor Bronze Plate 8mm Thick
An 8mm thick plate of C51000 phosphor bronze, containing copper with tin and phosphorus where tin meets predominance criteria of subheading note (b). This product is classified under tariff item 7409.39.00 as 'other' bronze plates exceeding 0.15 mm thickness.