KHP®194 (CuFe2P)
Standard designation
EN CW107C / UNS C19400
| Chemical composition | |
|---|---|
| Cu | Balance |
| Fe [%] | 2.4 |
| Zn [%] | 0.12 |
| P [%] | 0.03 |
Description / applications
KHP®194 is a copper iron alloy. KHP®194 has a high electrical conductivity combined with good mechanical properties.
Appplications: Leadframes, bus bars, contacts, switching elements, connectors
| Physical properties¹ | |
|---|---|
| Density | 8.8 g/cm³ |
| Electrical conductivity | 35 m/Ω·mm² 60% IACS² |
| Thermal conductivity | 260 W/m·K |
| Thermal expansion coefficient | 17.6·10-6/K |
| E modulus | 123 GPa³ |
| ¹Approximate values in soft state, measured at ambient temperature ²IACS = International Annealed Copper Standard ³1 GPa = 1 kN/mm² |
| Processing information | |
|---|---|
| Weldability | medium |
| Solderability | medium |
| Stress crack corrosion | none |
| Mechanical properties | |||||
|---|---|---|---|---|---|
| Condition | Tensile strength Rm [MPa] | Yield strength Rp0.2 [MPa] | Elongation A50 [%] |
Hardness HV |
|
| R300/H80 | 300-340 | max. 240 | min. 20 | 80-100 | |
| R340/H100 | 340-390 | min. 240 | min. 8 | 100-120 | |
| R370/H120 | 370-430 | min. 330 | min. 6 | 120-140 | |
| R420/H130 | 420-480 | min. 380 | - | 130-150 | |
| R470/H140 | min. 470 | min. 440 | - | min. 140 |