Copper Alloys
Silicon Bronze
Material No. Unified Numbering System (UNS): C64700
Chemical Composition
| Element | Cu(1,2) | Pb | Zn | Fe | Ni(3) | Si |
|---|---|---|---|---|---|---|
| Min (%) | 1.6 | 0.4 | ||||
| Max (%) | Rem | 0.09 | 0.5 | 0.1 | 2.2 | 0.8 |
- Cu value includes Ag.
- Cu + Sum of Named Elements 99.5% min.
- Ni value includes Co.
CuNi2Si is a precipitation hardening copper alloy. It possesses high mechanical properties in heat treated condition than CuCrZr.
Common Fabrication Processes
- Forging
- Extruding
- Drawing
- Machining
Mechanical & Electrical Properties
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| Form | Tensile Strength In N/MM2 | Elongation In % | Hardness in Vickers - HV | Conductivity% IACS at 20°C |
|---|---|---|---|---|
| Rod/Bar | 490-640 | 15 - 8 | 140-220 | ≥30 |
Physical Properties
| Melting Point – Liquidus °C | 1060 |
|---|---|
| Density lb/cu in. at 20°C | 0.323 |
Typical Applications
|
Electrical
Industrial
|
Applicable Form & Size
|
Form |
Size |
|
Flat / Block |
Thick: 25 mm-60 mm Width: 25 mm-100 mm Length: 2 Mtr max |
|
Rod |
Dia: Ø16 mm - Ø100mm Length: 2 Mtr max |
|
Profile |
Circumscribing circle of Dia 30 to 150 mm |
Apart from above we can also manufacture as per customer specification.