C510 Bronze Alloy Wire (CuSn5)

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Alloy C510 is an alloy with good strength, formability and stress relaxation characteristics and solderability. Applications include electronic parts, springs, switches, contacts and fasteners.

Mechanical Properties

Round Wire

Temper Name  Temper Code  Tensile Strength (ksi) Mill Limits 
Min Max
Annealed   43 58 .0010 - .1285 inch
1/4 Hard H01 60 76
1/2 Hard H02 80 97
3/4 Hard H03 96 115
Hard H04 108 128
Spring .025” & under H08 145  
Over .025” to .0625” H08 135  
Over .0625” to .125” H08 130  

Square Wire

Temper Name  Temper Code  Tensile Strength (ksi) Mill Limits 
Min Max
Annealed   43 58 .0100 - .0808 inch
1/4 Hard H01 60 76
1/2 Hard H02 80 97
3/4 Hard H03 96 115
Hard H04 108 128
Spring: .025” & under H08 145  
Over .025” to .0625” H08 135  
Over .0625” to .125” H08 130  

Rolled Flat

Temper Name  Temper Code  Tensile Strength (ksi) Mill Limits 
Min Max
Annealed   43 58

Thickness:
.0100 - .0500 inch

Width:
.0150 - .2500 inch

1/2 Hard H02 58 73
Hard H04 76 91
Extra Hard H06 88 103
Spring H05 95 110

Physical Properties

Melting Point (Liquidis) 1920°F
Melting Point (Solidus) 1750°F
Density 0.32 lbs/cu in
Electrical Resistivity (Annealed) 69.1 ?(cir mil/ft) @ 68°F
Electrical Conductivity (Annealed) 15% IACS @ 68°F
Thermal Conductivity (Solutionized-Aged) 40 Btu ft/sq ft hr °F @ 68°F
Coefficient of Thermal Expansion 0.0000099°F (68-572°F)
Modulus of Elasticity (Tension) 16000 ksi
Modulus of Rigidity 6000 ksi