C65500 High Silicon Bronze "A"
The C63600 Silicon Aluminum Bronze possess good hot and cold workability, forging ability. The alloy is fabricated by bending, coining, drawing and upsetting, hot forging and pressing, knurling, roll threading, shearing, spinning, swaging, and stamping.
Typical Uses :
- Electrical : Cold Headed Nuts, Cable Connectors, Components for Pole Line Hardware
- Fasteners : Screw Machine Products, Bolts
- Industrial : Valve Components, Nuclear Power Service
Chemical Composition:
Physical Properties:
Fabrication:
Sizes Available
| Al | As | Cu | Fe | Pb | Ni | Si | Sn | Zn | |
| Min/Max | 3.0 – 4.0 | 0.15 | Rem | 0.15 | 0.05 | 0.15 | 0.7 – 1.3 | 0.2 | 0.5 |
| Nominals | 3.5 | – | 95.5 | – | – | – | 1 | – | – |
| Product Property | US Customary | Metric |
| Coefficient of Thermal Expansion | 9.4 ·10-6 per oF (68-572 F) | 16.9 ·10-6 per oC (20-300 C) |
| Density | 0.301 lb/in3 at 68 F | 8.33 gm/cm3 @ 20 C |
| Electrical Conductivity | 12 %IACS @ 68 F | 0.07 MegaSiemens/cm @ 20 C |
| Electrical Resistivity | 86.4 ohms-cmil/ft @ 68 F | 14.36 microhm-cm @ 20 C |
| Melting Point – Liquidus | 1890 F | 1032 C |
| Modulas of Elasticity in Tension | 16000 ksi | 110000 MPa |
| Specific Gravity | 8.33 | 8.33 |
| Thermal Conductivity | 33.0 Btu · ft/(hr · ft2·oF)at 68F | 57.1 W/m · oK at 20 C |
| Joining Technique | Suitability |
| Brazing | Not Recommended |
| Butt Weld | Fair |
| Capacity for Being Cold Worked | Excellent |
| Capacity for Being Hot Formed | Fair |
| Coated Metal Arc Welding | Fair |
| Gas Shielded Arc Welding | Fair |
| Machinability Rating | 40 |
| Oxyacetylene Welding | Not Recommended |
| Seam Weld | Fair |
| Soldering | Not Recommended |
| Spot Weld | Fair |
| ROUND RODS | 8mm To 70 mm |
| HEX | 10mm To 60mm |
| SQUARE | 10mm To 60mm |
| FLAT | 10mm Min Thickness and max Width 120mm |
| BILLETS | Up to 200 mm |
| INGOTS | As per Specification |
