Phosphor Bronze C51000 Ingot from China

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.

Duty Rate — China → United States

26%

Rate breakdown

9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

Import Tips

Phosphorus content specification critical; affects spring temper properties

Heat treat records demonstrate unwrought status pre-rolling

Conductor alloy; electrical conductivity test data supports use declaration