Shanghai Unique Alloy Co.Ltd
Focus on Copper Alloy
Casting Leaded Tin Bronze C92700
Chemical Composition
| Element | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Cu(1,2) | Pb | Sn | Zn | Fe | P(3) | Ni(4) | Al | S | Sb | Si | |
| (1) Cu + Sum of Named Elements 99.3% min.(2) In determining Cu min., Cu may be calculated as Cu + Ni.(3) For continuous castings P shall be 1.5% max.(4) Ni value includes Co. | |||||||||||
| Min (%) | 86.0 | 1.0 | 9.0 | ||||||||
| Max (%) | 89.0 | 2.5 | 11.0 | 0.7 | 0.20 | 0.25 | 1.0 | 0.005 | 0.05 | 0.25 | 0.005 |
Mechanical Properties*
| Form | Temper | Temper Code | Tensile Strength (ksi) |
YS-0.5% Ext (ksi) |
Elongation (%) |
Brinell Hardness, 500 kg load | ||
|---|---|---|---|---|---|---|---|---|
| Not Applicable | NA | 42 Typ | 21 Typ | 20 Typ | ||||
| As Continuous Cast | 38 Min for Standard 38 Min for Standard |
20 Min for Standard 20 Min for Standard |
8 Min for Standard 8 Min for Standard |
|||||
| As Sand Cast | As Sand Cast | M01 | 35 Min for Standard 42 Typ |
18 Min for Standard 21 Typ |
10 Min for Standard 20 Typ |
77 Typ | ||
| * Measured at room temperature, 68°F (20°C). | ||||||||
Physical Properties
| Melting Point - Liquidus°F | 1800 |
|---|---|
| Melting Point - Solidus°F | 1550 |
| Densitylb/cu in. at 68°F | 0.317 |
| Specific Gravity | 8.78 |
| Electrical Conductivity% IACS at 68°F | 11 |
| Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F | 27.2 |
| Coefficient of Thermal Expansion 68-39210-6 per °F (68 – 392°F) | 10 |
| Specific Heat CapacityBtu/ lb /°F at 68°F | 0.09 |
| Modulus of Elasticity in Tensionksi | 16000 |
| Incipient Melting°F | 600 |
