- 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 |
|
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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 |
|
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| Solution Maximum |
|
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| 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 |
|
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| Hot Works Maximum |
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