- Bronze Family: High Tin Bronze
- Solids: 1/2" to 10" OD
- Tubes: 1" to 16" OD
- Rectangles: Up to 20" wide
- Type: Copper alloy
- Shape/Form: Bar stock; flats/rectangular bar; hex; squares
- Benefits: Hardness, good corrosion resistance, high wear resistance, moderate machinability, proven alloys in wide uses
- » Download C90300 Spec Sheet (.pdf)
Typical Uses
- Valves, plumbing fixtures, potable water applications, gears, marine fittings and pump components
Similar or Equivalent Specification
| CDA | ASTM | ASARCON | SAE | AMS | Federal | Ingot# | Military | Other Desc |
|---|---|---|---|---|---|---|---|---|
| C90300 | B505-08 |
Chemical Composition (according to ASTM B505-08)
| Cu% | Sn% | Pb% | Zn% | Fe% | Ni% | Sb% | P% | S% | Al% | Mn% | Si% | Bi% |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Note: Single values represent maximums.
|
||||||||||||
| 86.00-89.00 | 7.50-9.00 | 0.30 | 3.00-5.00 | 0.20 | 1.00 | 0.20 | 1.50 | 0.05 | 0.005 | N/A | 0.005 | N/A |
Mechanical Properties (according to ASTM B505-08)
| Tensile Strength (min) | Yield Strength (at .5% extention under load min) | Elongation (in 2in. or 50mm min, %) | Hardness (typical Bhn - 500kg) | Remarks | ||
|---|---|---|---|---|---|---|
| Ksi | MPa | Ksi | MPa | |||
| 44 | 22 | 18 | 70 | |||
Machinability
| Alloy | Rating | Density |
|---|---|---|
| C90300 | 30 | 0.318 |
Physical Properties (provided by CDA)
| US Customary | Metric | |
|---|---|---|
|
||
| Melting Point - Liquidus | 1832 F | 1000 C |
| Melting Point - Solidus | 1570 F | 854 C |
| Density | 0.318 lb/in3 at 68 F | 8.8 gm/cm3 @ 20 C |
| Specific Gravity | 8.800 | 8.8 |
| Electrical Conductivity | 120 %IACS @ 68 F | 0.069 MegaSiemens/cm @ 20 C |
| Thermal Conductivity | 43.20 Btu · ft/(hr · ft2·°F)at 68F | 74.8 W/m · °K at 20 C |
| Coefficient of Thermal Expansion | 100 ·10-6 per oF (68-212 F) | 0.0 ·10-6 per °C (20-100 C) |
| Specific Heat Capacity | 0.090 Btu/lb/°F at 68 F | 377.1 J/kg · °K at 293 K |
| Modulas of Elasticity in Tension | 14000 ksi | 96500 MPa |
| Magnetic Permeability | 10 | 1.0 |
Fabrication Properties (provided by CDA)
| Joining Technique | Suitability |
|---|---|
| Soldering | Excellent |
| Brazing | Good |
| Oxyacetylene Welding | Fair |
| Gas Shielded Arc Welding | Fair |
| Coated Metal Arc Welding | Fair |
Thermal Properties (provided by CDA)
| Treatment | Temp./Time - US | Temp./Time - SI |
|---|---|---|
| Stress Temperature | 500 | 260 |
| Solution Minimum | ||
| Solution Maximum | ||
| Solution Time | 0.0 | |
| Solution Medium | None | |
| Precipitation Value | ||
| Precipitation Time | ||
| Precipitation Medium | None | |
| Annealing Minimum | ||
| Annealing Maximum | ||
| Annealing Time | ||
| Hot Works Minimum | ||
| Hot Works Maximum | ||
