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 (N/mm²) Mill Limits 
Min Max
Annealed   295 400 .0254 - 3.264 mm
1/4 Hard H01 415 525
1/2 Hard H02 550 670
3/4 Hard H03 660 795
Hard H04 745 885
Spring: .025” & under H08 1000 0
Over .025” to .0625” H08 930 0
Over .0625” to .125” H08 895 0

Square Wire

Temper Name  Temper Code  Tensile Strength (N/mm²) Mill Limits 
Min Max
Annealed   295 400 .2540 - 1.905 mm
1/4 Hard H01 415 525
1/2 Hard H02 550 670
3/4 Hard H03 660 795
Hard H04 745 885
Spring: .025” & under H08 1000 0
Over .025” to .0625” H08 930 0
Over .0625” to .125” H08 895 0

Rolled Flat

Temper Name  Temper Code  Tensile Strength (N/mm²) Mill Limits 
Min Max
Annealed   295 400

Thickness:
.2540 - 1.905 mm

Width:
.3810 - 6.350 mm

1/2 Hard H02 400 505
Hard H04 525 625
Extra Hard H06 605 710
Spring H05 655 760

Physical Properties

Melting Point (Liquidis) 1049°C
Melting Point (Solidus) 954°C
Density 8.85768 gm/cu cm
Electrical Resistivity (Annealed) 11.4874 ?? -cm @ 20°C
Electrical Conductivity (Annealed) 0.08781 MegaSiemens /cm @ 20°C
Thermal Conductivity (Solutionized-Aged) 69.26315789 W/m · °K @ 20°C
Coefficient of Thermal Expansion 0.00001782°C (20-300°C)
Modulus of Elasticity (Tension) 110300 MPa
Modulus of Rigidity 41400 MPa

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