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Contact SupplierCW721R / CZ114 is a high tensile brass consisting of a duplex structure. Developed for more exacting applications where strength and corrosion resistance are required. Also referred to as a manganese bronze the CW721R / CZ114 has additions of aluminium, iron, tin and manganese that are added to the basic 60/40 brass matrix, creating a variety of properties to benefit the designer.
The aluminium and tin content gives the CW721R / CZ114 a brighter finish and is the main reason for the increase in corrosion resistance. The iron and manganese additions also improve the strength level, with the iron also acting a grain refiner. Some of the other benefits of the CW721R / CZ114 grade are a very good hot working capacity to allow for hot stamping and a good machinability rating.
Standard: BS 1400
Copper Alloys | Cu | Sn | Pb | Zn | Fe | P | Al | Mn | Si | Impurities |
HTB-1 | 55 Min | 1 | 0.50 | Rem | 0.7-2 | 1 | 0.5-2.5 | 0.1-3 | 0.1 | 0.20 |
HTB-2
Standard: 304-1981
Copper Alloys | Cu | Sn | Pb | Zn | Fe | P | Al | Mn | Si | Impurities |
HTB-2 | 55 Min | 0.2 | 0.20 | Rem | 1.5-3.25 | 1 | 3-6 | 1.5-4.0 | 0.1 | 0.20 |
HTB-3
Standard: BS 1400
Copper Alloys | Cu | Sn | Pb | Zn | Fe | P | Al | Mn | Si | Impurities |
HTB-3 | 55 Min | 1 | 0.50 | Rem | 0.7-2.0 | 1 | 0.5-2.5 | 0.1-3.0 | 0.1 | 0.20 |