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ISO 428

Updated: 2013-08-07T16:33Z

ISO 428 was an International Organization for Standardization (ISO) standard fully entitled "Wrought Copper-Aluminium Alloys -- Chemical Composition And Forms of Wrought Products", specifying the allowable compositions of various copper-aluminum alloy specifications (see aluminium bronze). The standard, promulgated in 1983, was withdrawn in March 2000.

Following is a list of aluminium bronze wrought alloy compositions, by ISO 428 designations (proportional composition by weight; copper is the remainder by weight and is not listed):

CuAl54.0% - 6.5%0.5% max0.8% max0.5% max0.5% max0.4% max
CuAl87.0% - 9.0%0.5% max0.8% max0.5% max0.5% max
CuAl8Fe36.5% - 8.5%1.5% - 3.5%1.0% max0.8% max0.5% max
CuAl9Mn28.0% - 10.0%1.5% max0.8% max1.5% - 3.0%0.5% max
CuAl10Fe38.5% - 11.0%2.0% - 4.0%1.0% max2.0% max0.5% max
CuAl10Fe5Ni58.5% - 11.5%2.0% - 6.0%4.0% - 6.0%2.0% max0.5% max
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