C510 Bronze (CuSn5)

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Overview

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

Physical Properties

Annealing Range (Min) 900 °F
Annealing Range (Max) 1250 °F
Density 0.32 lb/in³
Electrical Resistivity (Annealed) 69.1 Ω·cir-mil/ft @ 68 °F
Electrical Conductivity (Annealed) 15% IACS @ 68 °F
Thermal Conductivity 40 Btu/ft²/ft·hr/°F @ 68 °F
Coefficient of Thermal Expansion 9.9 per °F (68-572 °F)
Modulus of Elasticity (Tension) 16 ksi
Modulus of Rigidity (Tension) 6 ksi
Melting Point (Solidus) 1,700 °F
Melting Point (Liquidus) 1,900 °F
Annealing Range (Min) 482 °C
Annealing Range (Max) 677 °C
Density 8.94 gm/cm³
Electrical Resistivity (Annealed) 11.49 µΩ·cm @ 20 °C
Electrical Conductivity (Annealed) 0.09 MS·cm @ 20 °C
Thermal Conductivity 69 W/m·K @ 20 °C
Coefficient of Thermal Expansion 17.8 per °C (20-300 °C)
Modulus of Elasticity (Tension) 110 Mpa
Modulus of Rigidity (Tension) 41 Mpa
Melting Point (Solidus) 927 °C
Melting Point (Liquidus) 1,038 °C

Round Wire

TEMPER NAME TEMPER CODE TENSILE
STRENGTH (ksi)
MILL LIMITS
(inch)
Min Max
Annealed O61 43.0 58.0 .0010 - .1285 inch
1/4 Hard H01 60.0 76.0
1/2 Hard H02 80.0 97.0
3/4 Hard H03 96.0 115
Hard H04 108 128
TEMPER NAME TEMPER CODE TENSILE
STRENGTH (Mpa)
MILL LIMITS
(mm)
Min Max
Annealed O61 290 400 .0254 - 3.264 mm
1/4 Hard H01 410 530
1/2 Hard H02 550 670
3/4 Hard H03 660 800
Hard H04 740 890

Square Wire

TEMPER NAME TEMPER CODE TENSILE
STRENGTH (ksi)
MILL LIMITS
(inch)
Min Max
Annealed O61 43.0 58.0 .0100 - .0808 inch 
1/4 Hard H01 60.0 76.0
1/2 Hard H02 80.0 97.0
3/4 Hard H03 96.0 115
Hard H04 108 128
TEMPER NAME TEMPER CODE TENSILE
STRENGTH (Mpa)
MILL LIMITS
(mm)
Min Max
Annealed O61 290 400 .2540 - 1.905 mm
1/4 Hard H01 410 530
1/2 Hard H02 550 670
3/4 Hard H03 660 800
Hard H04 740 890

Rolled Flat

TEMPER NAME TEMPER CODE TENSILE
STRENGTH (ksi)
MILL LIMITS
(inch)
Min Max
Annealed O60 43.0 58.0 Thickness:
.0100 - .0500 inch

Width:
.0150 - .2500 inch
1/2 Hard H02 58.0 73.0
Hard H04 76.0 91.0
Extra Hard H06 88.0 103
Spring H08 95.0 110
TEMPER NAME TEMPER CODE TENSILE
STRENGTH (Mpa)
MILL LIMITS
(mm)
Min Max
Annealed O60 290 400 Thickness:
.2540 - 1.905 mm

Width:
.3810 - 6.350 mm
1/2 Hard H02 390 510
Hard H04 520 630
Extra Hard H06 600 720
Spring H08 650 760

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