Patent ID: 6471792
Filing Date: 2002-10-29
Classification: C22C,C22F

Abstract:
A brass alloy, consisting, by weight, of:from 2% to the maximum that maintains an alpha brass microstructure of zinc; from 0.2% to 2% nickel; from 0.15% to 1% tin; from 0.033% to 0.2% phosphorous; optional from 0.07% to 0.25% iron; from about 2 ppm to about 50 ppm of oxygen, sulfur, carbon or a mixture thereof; less than 2% in total of bismuth, lead, tellurium, sulfur and selenium; less than 0.25% each and 1% in total of magnesium, aluminum, silver, silicon, cadmium, antimony, manganese, cobalt, germanium, arsenic, gold, platinum, palladium, hafnium, zirconium, indium, antimony, chromium, vanadium and titanium; and the balance copper and inevitable impurities with a nickel:phosphorous weight ratio of between 4.5:1 and 9:1.