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 | |
