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C72500 Strip
Copper Nickel Tin
C725 | 725 | CDA725 | CA725 | 72500

Copper Nickel Tin 
88.2% 9.5% 2.3% 

Description

Copper Nickel Tin, C72500 was specially developed to blend the strength of Phosphor Bronze and the Corrosion resistance of Nickel Silver without to much loss of electrical conductivity. Originally developed for use in telecommunication connectors it has found acceptance in applications where a bright clean surface is desirable.

Features
  • High Strength
  • Good Formability
  • Superior Corrosion Resistance
  • Low Memory
  • Excellent Connector for Telecommunication Spring Applications
    Forms Available

    CoilGauge 0.002" to 0.090"Width 0.060" to 25" Request a Quote!
    SheetGauge 0.002" to 0.060"Width 0.250" to 24.5"Length 0.500" to 144"Request a Quote!
    SpoolGauge 0.005" to 0.060"Width 0.060" to 2"Weight 5 - 4,000 lbs.Request a Quote!

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    Physical Properties
     
    Density0.321Lbs. per cubic inch @ 68°F (annealed)
    Modulus20Elastic modulus in tension x 106 P.S.I.
    Electrical Conductivity11% IACS at 68°F (annealed)
    Thermal Conductivity31BTU per foot per hour per °F at 68°F (annealed)
    Thermal Expansion9.2Inches per inch x 10-6 from 68°F to 572°F

    Mechanical Properties
     
    Tensile StrengthYield OffsetElongationHardness
    x 1000 P.S.I.0.2% offset x 1000 P.S.I.% in 2 Inches.020 Gauge and Above
    060 Ann
    45 - 6518 - 2534 - 3630T 50 Max
    H01 1/4H
    55 - 7573 Max5 Min.30T 72 Max
    H02 1/2H
    65 - 8059 - 783 - 1730T 62 - 75
    H04 Hard
    75 - 9073 - 881 - 530T 66 - 75
    H06 Ex-H
    80 - 9578 - 931 - 330T 70 - 80
    H08 Spring
    85 - 10083 - 971 - 230T 72 - 80
    H10 Ex-Spring
    90 - 10588 - 102130T 76 - 80

    Hardness Legend  30T : Rockwell (30 kgf Steel Sphere)  

    NOTE: The information contained herein are intended for reference and comparison purposes only. They should NOT be used as a basis for design specifications or quality control. It is given without obligation or liability. Contact us for manufacturers' complete material property datasheets.

    Customer Service Agent  Have a question on C72500? Need help selecting the right metal for your specific requirement? Call us today
    at (800) 326-3376.