BRONZE
Bronze
(PB1/PB2/PB3/PB4)
PB-I
PB I is a solid solution strengthened copper alloy (bronze) with 4 % tin. It combines very good cold workability and high strength, is corrosion resistant, can be very well soft and hard soldered and, in addition, still has good electrical conductivity. It is used in applications where great importance is attached to the combination of conductivity and strength.
Typical Uses:
Automotive
Components of electrical engineering
Connectors
Clamp ports
Clamp-Connections
Lead frames
Relays- and conductor Springs
Spring rings
Pressure gauge Springs
Retaining Clamps
PB-II
PB II is a solid solution strengthened copper alloy (bronze) with 5 % tin. Its higher tin content compared with PB I results in higher strength and springiness. It is used whenever the emphasis is on the combination of conductivity and strength. PB II has excellent cold-workability and can be readily soldered.
Typical Uses:
Automotive
Components of electrical Engineering
Connectors
Spring rings
Frame connectors
Retaining Clamps
Relays- and conductor Springs
Switch springs
PB-III
PB III is a solid solution strengthened copper alloy (bronze) with 6% tin. Its higher tin content imparts high strength and springiness to the metal. Its adequate conductivity makes it particularly interesting for springy conductive components. It is wear-resistant, has very good corrosion resistance and can be readily soldered. Due to the high strength and springiness and good workability, CuSn6 is used for all types of springs as well as for flexible metal hoses. In addition, it is applied in the paper, pulp, textile and chemical industries, as well as in shipbuilding, mechanical engineering and process equipment manufacture
Typical Uses:
Automotive
Components of electrical Engineering
Connectors
Springs
Contact springs
PB-IV
PB IV is a solid solution strengthened copper alloy with 8% tin (bronze). It is therefore the highest alloyed phosphor bronze. This is apparent in the high strength combined with still adequate conductivity. In addition, it has better corrosion resistance and good sliding properties. PB IV is used for springy components and sliding elements when increased strength and wearresistance are required.
Typical Uses:
Automotive
Components of electrical Engineering
Connectors
Frame
Relays- and conductor Springs
Retaining Clamps
Spring rings
Slide bearings
Bushings
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