C151 Zirconium Copper

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Overview

Alloy C151 has excellent solderability, high conductivity, and good strength. C151 has superior softening resistance compared to pure copper C110, which will soften upon heating, limiting the application environment. Applications can be found in high current interconnects, pin grids, welding wire, or other elevated temperature applications.

Physical Properties

Annealing Range (Min) 840 °F
Annealing Range (Max) 1025 °F
Density 0.323 lb/in³
Electrical Resistivity (Annealed) 10.9 Ω·cir-mil/ft @ 68 °F
Electrical Conductivity (Annealed) 95% IACS @ 68 °F
Thermal Conductivity 208 Btu/ft²/ft·hr/°F @ 68 °F
Coefficient of Thermal Expansion 9.8 per °F (68-572 °F)
Modulus of Elasticity (Tension) 17 ksi
Modulus of Rigidity (Tension) 6 ksi
Melting Point (Solidus) 1,700 °F
Melting Point (Liquidus) 1,900 °F
Annealing Range (Min) 449 °C
Annealing Range (Max) 552 °C
Density 8.94 gm/cm³
Electrical Resistivity (Annealed) 1.81 µΩ·cm @ 20 °C
Electrical Conductivity (Annealed) 0.55 MS·cm @ 20 °C
Thermal Conductivity 360 W/m·K @ 20 °C
Coefficient of Thermal Expansion 17.6 per °C (20-300 °C)
Modulus of Elasticity (Tension) 121 Mpa
Modulus of Rigidity (Tension) 46 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 OS15 34.0 40.0 .0010 - .1285 inch
1/4 Hard H01 40.0 55.0
1/2 Hard H02 50.0 62.0
Hard H04 60.0 72.0
Spring H08 70.0  
TEMPER NAME TEMPER CODE TENSILE
STRENGTH (Mpa)
MILL LIMITS
(mm)
Min Max
Annealed OS15 230 280 .0254 - 3.264 mm
1/4 Hard H01 270 380
1/2 Hard H02 340 430
Hard H04 410 500
Spring H08 480  

Square Wire

TEMPER NAME TEMPER CODE TENSILE
STRENGTH (ksi)
MILL LIMITS
(inch)
Min Max
Annealed OS15 34.0 40.0 .0100 - .0808 inch 
1/4 Hard H01 40.0 55.0
1/2 Hard H02 50.0 62.0
Hard H04 60.0 72.0
Spring H08 70.0  
TEMPER NAME TEMPER CODE TENSILE
STRENGTH (Mpa)
MILL LIMITS
(mm)
Min Max
Annealed OS15 230 280 .2540 - 1.905 mm
1/4 Hard H01 270 380
1/2 Hard H02 340 430
Hard H04 410 500
Spring H08 480  

Rolled Flat

TEMPER NAME TEMPER CODE TENSILE
STRENGTH (ksi)
MILL LIMITS
(inch)
Min Max
Annealed OS15 37.0 42.0 Thickness:
.0100 - .0500 inch

Width:
.0150 - .2500 inch
1/2 Hard H02 43.0 51.0
Hard H04 53.0 62.0
Spring H08 64.0 71.0
TEMPER NAME TEMPER CODE TENSILE
STRENGTH (Mpa)
MILL LIMITS
(mm)
Min Max
Annealed OS15 250 290 Thickness:
.2540 - 1.905 mm

Width:
.3810 - 6.350 mm
1/2 Hard H02 290 360
Hard H04 360 430
Spring H08 440 490

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