C194 Copper-Iron (CuFe2P)

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Overview

Alloy C194 is a first-generation high-performance alloy used worldwide. C194 combines good electrical conductivity with high tensile strength, good solderability and plateability. Applications include connectors, semiconductor pins and leadframes, sockets and mass terminations.

Physical Properties

Annealing Range (Min) 700 °F
Annealing Range (Max) 1200 °F
Density 0.322 lb/in³
Electrical Resistivity (Annealed) 16 Ω·cir-mil/ft @ 68 °F
Electrical Conductivity (Annealed) 65% IACS @ 68 °F
Thermal Conductivity 150 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) 371 °C
Annealing Range (Max) 649 °C
Density 8.94 gm/cm³
Electrical Resistivity (Annealed) 2.65 µΩ·cm @ 20 °C
Electrical Conductivity (Annealed) 0.38 MS·cm @ 20 °C
Thermal Conductivity 260 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) 45 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   40.0 58.0 .0010 - .1285 inch
1/4 Hard H01 50.0 65.0
1/2 Hard H02 60.0 75.0
Hard H04 70.0 85.0
Extra Hard H06 80.0 95.0
Spring H08 90.0  
TEMPER NAME TEMPER CODE TENSILE
STRENGTH (Mpa)
MILL LIMITS
(mm)
Min Max
Annealed   270 400 .0254 - 3.264 mm
1/4 Hard H01 340 450
1/2 Hard H02 410 520
Hard H04 480 590
Extra Hard H06 550 660
Spring H08 620  

Square Wire

TEMPER NAME TEMPER CODE TENSILE
STRENGTH (ksi)
MILL LIMITS
(inch)
Min Max
Annealed   40.0 58.0 .0100 - .0808 inch 
1/4 Hard H01 50.0 65.0
1/2 Hard H02 60.0 75.0
Hard H04 70.0 85.0
Extra Hard H06 80.0 95.0
TEMPER NAME TEMPER CODE TENSILE
STRENGTH (Mpa)
MILL LIMITS
(mm)
Min Max
Annealed   270 400 .2540 - 1.905 mm
1/4 Hard H01 340 450
1/2 Hard H02 410 520
Hard H04 480 590
Extra Hard H06 550 660

Rolled Flat

TEMPER NAME TEMPER CODE TENSILE
STRENGTH (ksi)
MILL LIMITS
(inch)
Min Max
Spring H08 70.0 76.0 Thickness:
.0100 - .0500 inch

Width:
.0150 - .2500 inch
Annealed   40.0 63.0
1/2 Hard H02 53.0 63.0
Hard H04 60.0 70.0
Extra Hard H06 67.0 73.0
Spring H08 70.0 76.0
Extra Spring H10 73.0 80.0
TEMPER NAME TEMPER CODE TENSILE
STRENGTH (Mpa)
MILL LIMITS
(mm)
Min Max
Spring H08 480 530 Thickness:
.2540 - 1.905 mm

Width:
.3810 - 6.350 mm
Annealed   270 440
1/2 Hard H02 360 440
Hard H04 410 490
Extra Hard H06 460 510
Spring H08 480 530
Extra Spring H10 500 560

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