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STOL®94 is a hardenable CuNiSi alloy for high strength requirements up to 750 MPa in combination with good electrical conductivity, bendability and relaxation resistance. In some cases it may also be used as a substitute for beryllium alloys.

STOL®80 is a CuSn0.2 alloy with a slightly higher tin content than CuSn0.15. As a result, a higher strength with good electrical conductivity is achieved. STOL® 80 is preferably used for male connectors and junction boxes.

STOL®78 is a CuMg alloy for connectors in automotive, electrical and electronic applications. Thanks to the combination of high electrical conductivity with high strength and good relaxation resistance, this alloy is particularly suitable for relays, current carrying springs, bus bars and fuse boxes with resilient functions.

STOL®76M is a modified version of the STOL®76 alloy. In its tinned version it has reduced peelingoff effects depending on the usage conditions. The improved properties are of particular interest for connectors used in the automotive, electrical and electronics sectors. The alloy combines high electrical conductivity, medium to high strength and good relaxation resistance up to an operating temperature of 150°C, combined with good formability.