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 Kemper (CuSn4)           C51100   Phosphor Bronze                                AVINS

Guaranteed Composition

 

 
Sn 3.5 - 4.5    P max. 0.35    Cu remainder 
Physical Properties  Density 8.9 g/cm³
Coefficient of thermal expansion  18.2 10-6 K-1
 Electrical Conductivity 11.5 MS/m  Ω mm²
 Electrical Conductivity 20.0 %IASC
 Thermal Conductivity 84  W/mK
 Modulus of Elasticity 118 kN/mm²
 Weldability good  
 Solderability very good
 Season Crack no
Mechanical Properties Temper  ¼ hard ½ hard ¾ hard extra hard spring hard
Tensile strength [KSI] 42-57 57-71 70-83 78-91 ³ 88
Yield strength Rp0.2 [KSI] £ 28 ³ 30 ³ 61 ³ 71 ³ 78
Elongation     [% Lo=50mm] ³ 40  11  4  3 --
Hardness          [HV] 70-100 115-155 150-180 170-200 ³ 190
Spring Bending Limit [KSI] - - - - ³ 49
Applications C51100 is used in connectors, contact springs, pin strips, relay springs, switch elements, all kinds of stamped parts, blade springs, membranes, metallic hoses, corrugated tubes, gear wheels, bushes, pump parts, clock parts, welding wires and electrodes,  as well as for parts in the machine and apparatus manufacturing sector.
 

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Avins Industrial Products 
  2 North Road    Warren    NJ    07059   USA    1-732-469-8800