Phosphor Bronze C51000 Ingot

C51000 phosphor bronze contains 94.8% copper, 5% tin, 0.2% phosphorus unwrought. HTS 7403.29.01 classification as other copper-tin alloy (bronze). Precision springs and electrical connectors primary uses.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
πŸ‡¨πŸ‡³China1%+25.0%26%
πŸ‡²πŸ‡½Mexico1%β€”1%
πŸ‡¨πŸ‡¦Canada1%β€”1%
πŸ‡©πŸ‡ͺGermany1%β€”1%
πŸ‡―πŸ‡΅Japan1%β€”1%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

7403.21.00Same rate: 26%

If without phosphorus addition

Tin-zinc only would classify as brass if zinc present.

7408.19.00Higher: 38% vs 26%

If rolled to phosphor bronze strip

Any flat-rolled product, even thin gauge, becomes 7408.

7405.00Lower: 10% vs 26%

If deoxidizer master alloy

Phosphorus-copper specifically for deoxidizing in 7405.20.

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Import Tips & Compliance

β€’ Phosphorus content specification critical; affects spring temper properties

β€’ Heat treat records demonstrate unwrought status pre-rolling

β€’ Conductor alloy; electrical conductivity test data supports use declaration

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