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Precision cold rolled strip and foil

Relays and switches

Relays and switches, commonly used in a broad spectrum of applications in the automotive and robot industry, require materials and properties comparable to those in connector applications. In fact, requirements like good electrical conductivity, combined with high mechanical strength to meet the required spring characteristics, relaxation resistance at elevated temperatures and fatigue resistance are decisive for this area of application. Apart from conventional alloys (brass, bronze, certain stainless steels etc.), Lamineries MATTHEY supplies premium products such as rolled precision strips in copper-beryllium alloy.

See the brochures "Guide to Copper Beryllium" or the "Design Guide" for help in designing with CuBe.

Below you will find a list with those alloys in strip and foil form which are generally used in relay and switch making, together with the available technical data:

Beryllium Copper and Beryllium Nickel Technical file
CuBe2 - Alloy 25 / C17200 / CW101C     CuBe2_All._25_C.pdf
CuBe2 - Alloy 290 mill hardened / C17200 / CW101C  
CuBe2 - Alloy 190 mill hardened / C17200 / CW101C     CuBe2_All._190_C.pdf
CuCo0.5Be - Alloy 174 mill hardened / C17410 
CuNi1.2Be0.3 - Alloy 60 mill hardened / C17460 
CuNi2Be - Alloy 3 / C17510 / CW110C 
CuNi2Be - Alloy 3 mill hardened / C17510 / CW110C 
CuNiBe0.5 - Alloy 390 mill hardened / C17460 
NiBe2 - Alloy 360 / N03360     Alloy_360_C.pdf
Coppers and low alloyed coppers Technical file
STOL® 194 - CuFe2.5P / C19400 
Copper alloys Technical file
CuNi30Mn1Fe - Copper-Nickel, 30% / CW354H / ~ C71500 
CuSn6 - Phosphor Bronze, 6% / CW452K / C51900 
CuSn8 - Phosphor Bronze, 8% / CW453K / C52100 
CuZn28 - Brass / CW504L     CuZn28_C.pdf
CuZn37 - Yellow Brass 63% / ~CW508L / ~CW507L / ~C27000/ ~C27200     CuZn37_C.pdf
CuZn37Pb2 - High Leaded Brass, 62% / ~CW606N / ~CW608N / ~C35300 
CuZn38Pb2 - High Leaded Brass, 62% / CW608N / ~C35300 
Other specialties Technical file
CuNi15Sn8 - BrushForm® 158 / ToughMet 3 / C72900     BF158_T3_C.pdf
CuNi15Sn8 - BrushForm® 158 mill hardened (Toughmet 3) / C72900     BF158_T3_C.pdf

Other alloys are also available. There is a list with all presently available alloys.

Voir aussi leurs tolérances dimensionnelles et les fiches "MSDS" de sécurité:

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