0.25*300mm Qsi0.6-2 Copper Strip for Switch/Relay
Description
C7026 Copper Nickel Silicon is the copper base alloy which is heat treatable, high in strength and conductivity. The properties of this alloy can fairly be obtained after its heat treatment. The alloy is rich on properties like high hardness, strength and wear resistance with relatively high electrical and thermal conductivity.
(Other Name: CuNi2Si; C7026; QSi0.6-2.)
Chemical Content(%)
| UALLOY Brand |
Nickel |
Silicon |
Copper |
| UALLOY-C7026 |
2 |
0.5 |
Bal |
Mechanical Properties
| Density of g/cm³ |
8.85 |
| Electrical Conductivity @20ºC(% IACS) |
49 |
| Thermal conductivity @20ºCW/(mK) |
190 |
| Coefficient of Thermal Expansion per °C |
17 x 10-6 /K |
| Specific Heat J/(g·k) |
0.399 |
| Elastic Modulus GPa |
132 |
| Poisson's ratio |
0.33 |
| Modulus of Elasticity (10 3 MPA) |
130 |
| Status |
Tensile Strength |
Yield Strength |
Elongation |
Hardness |
| MPa |
ksi |
MPa |
A50% |
HV |
| R585(TM00) |
585-655 |
85-95 |
>=450 |
10 |
160-210 |
| R620(TM0S) |
620-725 |
90-105 |
>=520 |
6 |
180-215 |
| R655(TM02) |
675-745 |
98-108 |
620-725 |
5 |
190-225 |
| R725(TM03) |
725-830 |
105-120 |
>=655 |
2 |
200-240 |
| R760(TM04) |
760-860 |
110-125 |
>=690 |
1 |
220-260 |
Processability
| Cold working |
Very Good |
| Cutting |
Not suitable |
| Plating |
Good |
| Hot Dip Galvanizing |
Good |
| Laser Welding |
Good |
| Resistance Welding |
Generally |
| Soldering |
Good |
Bending Performance (Bending Thickness: <=0.5mm; Bending Width: 10mm)
| Status |
90°R/T |
180°R/T |
| |
Good Way |
Bad Way |
Good Way |
Bad Way |
| R585(TM00) |
0 |
0 |
0.5 |
1 |
| R620(TM0S) |
0.5 |
0.5 |
1 |
1.5 |
| R655(TM02) |
0.5 |
1 |
1 |
2.5 |
| R725(TM03) |
1 |
1.5 |
1.5 |
3.5 |
| R760(TM04) |
1.5 |
3 |
2 |
6 |
Applications
| Signal Connector |
Suitable |
| Power Connector |
Suitable |
| Miniaturized Connector |
Suitable |
| Switch/Relay |
Suitable |
| Semiconductor |
Not recommended |
Audited Supplier 
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