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Copper Alloys Search - Basic
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C87500Coppe Silicon AlloyCastBRASSESCopper-Silicon Alloys (Silicon Bronzes and Silicon Brasses)TrueTruehttps://api.copper.org/CDA-API/alloys.xhtml/C87500
Element | |||||
---|---|---|---|---|---|
Cu(1) | Pb | Zn | Al | Si | |
(1) Cu + Sum of Named Elements 99.5% min. | |||||
Min (%) | 79.0 | 12.0 | 3.0 | ||
Max (%) | 0.09 | 16.0 | 0.50 | 5.0 |
Form | Temper | Temper Code | Tensile Strength (ksi) | YS-0.5% Ext (ksi) | Elongation (%) | Brinell Hardness, 500 kg load | Brinell Hardness, 3000 kg load | Stress Rupture (ksi) | Charpy V-Notch Impact Strength (ft-lbs) | Compressive Strength .001 in. set/in. (ksi) | Compressive Strength .1 in. set/in. (ksi) | Creep Strength (0.1% per 10,000 hours) (ksi) | Fatigue Strength** (ksi) | ||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
As Centrifugal Cast | As Centrifugal Cast | M02 | 60 Min for Standard | 24 Min for Standard | 16 Min for Standard | ||||||||||
As Permanent Mold Cast | As Permanent Mold Cast | M05 | 80 Min for Standard | 30 Min for Standard | 15 Min for Standard | ||||||||||
As Sand Cast | As Sand Cast | M01 | 60 Min for Standard 67 Typ | 24 Min for Standard 30 Typ | 16 Min for Standard 21 Typ | 115 Typ | 134 Typ | 18 Typ | 32 Typ | 27 Typ | 75 Typ | 11 Typ | 22 Typ | ||
* Measured at room temperature, 68°F (20°C). ** Fatigue Strength: 100 x 106 cycles, unless indicated as [N] x 106. |
Melting Point - Liquidus°F | 1680 |
---|---|
Melting Point - Solidus°F | 1510 |
Densitylb/cu in. at 68°F | 0.299 |
Specific Gravity | 8.28 |
Electrical Conductivity% IACS at 68°F | 6.7 |
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F | 16 |
Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F) | 10.9 |
Specific Heat CapacityBtu/ lb /°F at 68°F | 0.09 |
Modulus of Elasticity in Tensionksi | 15400 |
Technique | Suitability |
---|---|
Soldering | Excellent |
Brazing | Excellent |
Oxyacetylene Welding | Fair |
Gas Shielded Arc Welding | Excellent |
Coated Metal Arc Welding | Not Recommended |
Spot Weld | Good |
Seam Weld | Good |
Butt Weld | Good |
Machinability Rating | 50 |
Common Fabrication Processes
- Casting
Treatment | Value* | Time** | |||
---|---|---|---|---|---|
* Temperature is measured in Fahrenheit. ** Time is measured in minutes. | |||||
Stress Relief | 500 | ||||
Solution Treatment | 0 |
Product Category | Product | Reason Category | Reason |
---|---|---|---|
Builders Hardware | Window Hardware | Appearance | Appearance |
Window Hardware | Casting Characteristics | Castability | |
Window Hardware | Corrosion Resistance | Corrosion Resistance | |
Window Hardware | Mechanical Properties | High Strength | |
Industrial | Bearings | Corrosion Resistance | Corrosion Resistance |
Bearings | Mechanical Properties | Ductility | |
Bearings | Mechanical Properties | High Strength | |
Fittings | Casting Characteristics | Castability | |
Fittings | Corrosion Resistance | Corrosion Resistance | |
Fittings | Mechanical Properties | High Strength | |
Gears | Corrosion Resistance | Corrosion Resistance | |
Gears | Mechanical Properties | Ductility | |
Gears | Mechanical Properties | High Strength | |
Impellers | Corrosion Resistance | Corrosion Resistance | |
Impellers | Corrosion Resistance | Resists Stress Corrosion Cracking in Marine Environments | |
Impellers | Mechanical Properties | Ductility | |
Impellers | Mechanical Properties | High Strength | |
Levers | Casting Characteristics | Castability | |
Levers | Corrosion Resistance | Corrosion Resistance | |
Levers | Mechanical Properties | High Strength | |
Pump Fixtures | Casting Characteristics | Castability | |
Pump Fixtures | Corrosion Resistance | Corrosion Resistance | |
Pump Fixtures | Corrosion Resistance | Corrosion Resistance to Fresh Water | |
Pump Fixtures | Corrosion Resistance | Corrosion Resistance to Numerous Environments | |
Pump Fixtures | Corrosion Resistance | Corrosion Resistance to Salt Water | |
Pump Fixtures | Mechanical Properties | High Strength | |
Valve Bodies | Casting Characteristics | Castability | |
Valve Bodies | Corrosion Resistance | Corrosion Resistance | |
Valve Bodies | Mechanical Properties | High Strength | |
Marine | Boat Parts | Casting Characteristics | Castability |
Boat Parts | Corrosion Resistance | Corrosion Resistance | |
Boat Parts | Corrosion Resistance | Corrosion Resistance to Salt Water | |
Boat Parts | Mechanical Properties | High Strength | |
Small Boat Propellers | Corrosion Resistance | Corrosion Resistance | |
Small Boat Propellers | Corrosion Resistance | Corrosion Resistance to Salt Water | |
Small Boat Propellers | Corrosion Resistance | Resists Stress Corrosion Cracking in Marine Environments | |
Small Boat Propellers | Mechanical Properties | Ductility | |
Small Boat Propellers | Mechanical Properties | High Strength | |
Plumbing | Fixtures | Casting Characteristics | Castability |
Fixtures | Corrosion Resistance | Corrosion Resistance | |
Fixtures | Mechanical Properties | High Strength | |
Fixtures | Mechanical Properties | Retains Strength at Elevated Temperatures |
Form | Sub-Form | System | Standard | Description |
---|---|---|---|---|
As Centrifugal Cast | Castings | ASTM | B271/B271M | COPPER BASE ALLOY CENTRIFUGAL CASTINGS |
Castings | SAE | J461 | WROUGHT AND CAST COPPER ALLOYS | |
Castings | SAE | J462 | CAST COPPER ALLOYS | |
As Permanent Mold Cast | Castings | ASTM | B806 | PERMANENT MOLD CASTINGS |
As Sand Cast | Castings | ASTM | B584 | COPPER ALLOY SAND CASTINGS FOR GENERAL APPLICATIONS |
Castings | ASTM | B763/B763M | COPPER ALLOY SAND CASTINGS FOR VALVE APPLICATIONS | |
Ingot | ||||
ASTM | B30 | COPPER BASE ALLOYS IN INGOT FORM |
Corrosion Properties
No information available.
DOWNLOAD Standard Designation for Wrought and Cast Alloys [PDF 775KB, includes all alloys]
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DISCLAIMER:
The values listed above represent reasonable approximations suitable for general engineering use. Due to commercial variations in compositions and to manufacturing limitations, they should not be used for specification purposes. See applicable ASTM International specification references.
The values listed above represent reasonable approximations suitable for general engineering use. Due to commercial variations in compositions and to manufacturing limitations, they should not be used for specification purposes. See applicable ASTM International specification references.