CuSn6 HP
Standard designation
EN CW452K / UNS C51900
| Chemical composition | ||
|---|---|---|
| Cu | Rest | |
| Sn [%] | 6 | |
| P [%] | 0.1 |
Description / applications
CuSn6 HP is one of the copper-tin alloys. CuSn6 offers an exceptional combination of strength and electrical conductivity. CuSn6 HP is especially malleable due to its fine-grained structure. Applications: connectors, contact pins, springs, stamped parts, parts for machine and equipment engineering
| Physical properties¹ | |
|---|---|
| Density | 8.8 g/cm³ |
| Electrical conductivity | 9 m/Ω·mm² 15.5 % IACS |
| Thermal conductivity | 75 W/m·K |
| Thermal expansion coefficient | 18.5·10 |
| E modulus | 115 GPa |
| ¹Approximate values in soft state, measured at ambient temperature ²IACS = International Annealed Copper Standard |
| Processing information | |
|---|---|
| Weldability | good |
| Solderability | very good |
| Stress crack corrosion | none |
| Mechanical properties | |||||
|---|---|---|---|---|---|
| Condition | Tensile strength Rm [MPa] | Yield strength Rp0.2 [MPa] | Elongation A50 [%] |
Hardness HV |
|
| R550 | 550-650 | min. 500 | min. 16 | 170-220 | |
| R670 | 670-780 | min. 660 | min. 7 | 200-260 |