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Copper Alloy No. C65100 (Low Silicon Bronze B)
Composition - Percent
|
Nominal |
Minimum |
Maximum |
| Copper |
98.5 |
Remainder |
| Lead |
- |
- |
0.05 |
| Iron |
- |
- |
0.80 |
| Zinc |
- |
- |
1.50 |
| Manganese |
- |
- |
0.70 |
| Silicon |
1.5 |
0.80 |
2.00 |
Nearest Applicable A S T M Specifications
|
|
| Bolts |
F468 |
| Flat Products |
B96, B98, B432 |
| Nuts |
F467 |
| Pipe |
B315 |
| Rod |
B98 |
| Screws |
F468 |
| Shapes |
B98 |
| Studs |
F468 |
| Tube |
B315 |
| Wire |
B99, B105 |
Physical Properties
|
English Units |
C.G.S. Units |
| Melting Point (Liquidus) |
1940°F |
1060°C |
| Melting Point (Soluidus) |
1890°F |
1030°C |
| Density |
.316lb / cu in @ 68°F |
8.75 gm / cu cm @ 20°C |
| Specific Gravity |
8.75 |
8.75 |
| Coefficient of Thermal Expansion |
per °F from 68°F to 212°F |
per °C from 20°F to 100°F |
| Coefficient of Thermal Expansion |
per °F from 68°F to 392°F |
per °C from 20°F to 200°F |
| Coefficient of Thermal Expansion |
.0000099 per °F from 68°F to 572°F |
.0000179 per °C from 20°F to 300°F |
| Thermal Conductivity |
33 Btu / sq ft / ft / hr / °F @ 68°F |
0.14 cal / sq cm / cm / sec / °C @ 20°C |
| Electrical Resistivity (Annealed) |
86.4 Ohms (circ mil / ft) @ 68°F |
14.4 Microhm-cm @ 20°C |
| Electrical Conductivity* (Annealed) |
12 % IACS @ 68°F |
.0696 Megmho-cm @ 20°C |
| Thermal Capacity (Specific Heat) |
09 Btu / lb °F @ 68°F |
.09 cal / gm / °C @ 20°C |
| Modulus of Elasticity (Tension) |
17,000 ksi |
12,000 Kg /sq mm |
| Modulus of Rigidity |
6,400 ksi |
4,500 Kg /sq mm |
*Volume Basis
Typical Uses
- Aircraft:
- hydraulic pressure lines
- Hardware:
- anchor screws, bolts, cable clamps, cap screws, machine screws, marine hardware, nuts, pole line hardware, rivets, U-bolts
- Industrial:
- electrical conduits, heat exchanger tubes, welding rod
Common Fabrication Processes
Forming and bending, heading and upsetting, hot forging and pressing, roll threading and knurling, squeezing and swaging
Fabrication Properties
|
|
| Capacity for Being Cold Worked |
Excellent |
| Capacity for Being Hot Formed |
Excellent |
| Hot Forgeability Rating (Forging Brass = 100) |
- |
| Hot Working Temperature |
1300-1600°F or 700-875°C |
| Annealing Temperature |
900-1250°F or 475-675°C |
| Machinability Rating (Free Cutting Brass = 100) |
30 |
| Suitability for being joined by: |
|
| Soldering |
Excellent |
| Brazing |
Excellent |
| Oxyacetylene Welding |
Good |
| Gas Shielded Arc Welding |
Excellent |
| Coated Metal Arc Welding |
Fair |
| Resistance Welding |
| Spot |
Excellent |
| Seam |
Good |
| Butt |
Excellent |