- Bronze Family: Silicon Brass
- Solids: 1/2" to 9" OD
- Tubes: 1" to 16" OD
- Rectangles: Up to 15" wide
- Type: Brass, bronze or coppery alloy
- Shape/Form: Semi-finished, mill stock or near net shapes, anode, bar stock, billet/bloom, squares, hex, plate, profile or structural shape, flats/rectangular bar
- Benefits: Good machinability, excellent de-zincification corrosion resistance, excellent stress corrosion cracking resistance, good castability, high strength equivalent to stainless steel, excellent warm brittleness cracking resistance and plentiful supply of raw materials
- » Download C87850 Spec Sheet (.pdf)
Typical Uses
- Water supply devices, faucets, valves, fittings, precision parts, substitute for stainless steel, shafts, screw, bearings, electronic parts and automobile parts
Similar or Equivalent Specification
| CDA | ASTM | ASARCON | SAE | AMS | Federal | Ingot# | Military | Other Desc |
|---|---|---|---|---|---|---|---|---|
| C87850 Eco Brass® | B505-08 |
Chemical Composition (according to ASTM B505-08)
| Cu% | Sn% | Pb% | Zn% | Fe% | Ni% | Sb% | P% | S% | Al% | Mn% | Si% |
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Note: Single values represent maximums.
|
|||||||||||
| 74.00-78.00 | 0.30 | 0.09 | REM. | 0.10 | 0.20 | 0.10 | 0.05-0.20 | N/A | N/A | 0.10 | 2.70-3.40 |
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 (min.) | Remarks | ||
|---|---|---|---|---|---|---|
| Ksi | MPa | Ksi | MPa | |||
| 65 | 448 | 25 | 172 | 8 | 103 | |
Machinability
| Alloy | Rating | Density |
|---|---|---|
| C87850 Eco Brass® | 70 | 0.300 |
Physical Properties (provided by CDA)
| US Customary | Metric | |
|---|---|---|
|
||
| Melting Point - Liquidus | 1616 F | 880 C |
| Melting Point - Solidus | 1571 F | 855 C |
| Density | 0.300 lb/in3 at 68 F | 8.3 gm/cm3 @ 20 C |
| Electrical Resistivity | 131 ohms-cmil/ft @ 68 F | 21.91 microhm-cm @ 20 C |
| Electrical Conductivity | 80 %IACS @ 68 F | 0.046 MegaSiemens/cm @ 20 C |
| Thermal Conductivity | 21.80 Btu · ft/(hr · ft2·°F)at 68F | 37.7 W/m · °K at 20 C |
| Coefficient of Thermal Expansion | 10.30 ·10-6 per oF (68-212 F) | 18.5 ·10-6 per °C (20-100 C) |
| Coefficient of Thermal Expansion | 10.30 ·10-6 per oF (68-392 F) | 18.5 ·10-6 per °C (20-200 C) |
| Coefficient of Thermal Expansion | 10.30 ·10-6 per oF (68-572 F) | 18.5 ·10-6 per °C (20-300 C) |
| Specific Heat Capacity | 0.090 Btu/lb/°F at 68 F | 377.0 J/kg · °K at 293 K |
| Modulas of Elasticity in Tension | 15200 ksi | 104800 MPa |
Fabrication Properties (provided by CDA)
| Joining Technique | Suitability |
|---|---|
| Soldering | Excellent |
| Brazing | Excellent |
| Oxyacetylene Welding | Good |
| Spot Weld | Good |
| Seam Weld | Good |
| Butt Weld | Good |
| Capacity for Being Cold Worked | Poor |
| Capacity for Being Hot Formed | Excellent |
Thermal Properties (provided by CDA)
| Treatment | Temp./Time - US | Temp./Time - SI |
|---|---|---|
| Stress Temperature | 0 | -18 |
| Solution Minimum | ||
| Solution Maximum | ||
| Solution Time | 0.0 | |
| Solution Medium | None | |
| Precipitation Value | ||
| Precipitation Time | ||
| Precipitation Medium | None | |
| Annealing Minimum | 932 | 500 |
| Annealing Maximum | 1112 | 600 |
| Annealing Time | ||
| Hot Works Minimum | ||
| Hot Works Maximum | ||
