Cast C89325
C89325 is a C937 lead-free replacement alloy. C89325 supports the market demand for lead-free material and compliance with the 3874 Reduction of Lead in Drinking Water Act (effective January 2014).
Information
PRODUCT DESCRIPTION: Bismuth Tin Bronze
SOLIDS: 1/2” to 10” O.D.
TUBES: 1 1/8” to 9” O.D.
RECTANGLES: Up to 15”
STANDARD LENGTHS: 144”
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
COMPLIANCE: C89325 is compliant with key legislation including (1) Federal Safe Drinking Water Act 1974 – SDWA, (2) Federal Reduction of Lead in Drinking Water Act 2011 and (3) California AB1953
Typical Uses
INDUSTRIAL: bushings, high-speed/high-pressure bearings
Chemical Composition
| Cu%1 | Pb% | Sn% | Zn% | Fe% | P% | Ni%2 | Al% | S% | Sb% | Si% |
|---|---|---|---|---|---|---|---|---|---|---|
| 84.00-88.00 | 0.10 | 9.00-11.00 | 1.00 | 0.15 | 0.10 | 1.00 | 0.005 | 0.08 | 0.50 | 0.005 |
¹.01-2.0% as any single or combination of Ce La or other rare earth(x) elements as agreed upon. (x)ASM International definition: one of the group of chemically similar metals with atomic numbers 57 through 71 commonly referred to as lanthanides. ²Ni value includes Co.
Note: Cu + Sum of Named Elements, 99.0% min. Single values represent maximums.
Machinability
| Copper Alloy UNS No. | Machinability Rating | Density (lb / in³ at 68°F) |
|---|---|---|
| C89325 | 80 | 0.323 |
Mechanical Properties
| Tensile Strength, min | Yield Strength, at 0.5% Extension Under Load, min | Elongation, in 2 in. or 50 mm min | Brinell Hardness (500 kg load) | Remarks | ||
|---|---|---|---|---|---|---|
| ksi | MPa | ksi | MPa | % | typical BHN | |
| 30 | 207 | 12 | 83 | 4 | 73 | |
Physical Properties
| US Customary | Metric | |
|---|---|---|
| Melting Point - Liquidus | 1805 °F | 985 °C |
| Melting Point - Solidus | 1432 °F | 777 °C |
| Density | 0.323 lb/in³ at 68 °F3 | 8.94 gm/cm³ at 20 °C |
| Specific Gravity | 8.94 | 8.94 |
| Electrical Conductivity | 10.8% IACS at 68 °F | 0.062 MegaSiemens/cm at 20 °C |
| Thermal Conductivity | 29 Btu/sq ft/ft hr/°F at 68 °F | 50.2 W/m at 20 °C |
| Coefficient of Thermal Expansion 68-392 | 10.3 · 10-6 per °F (68-392 °F) | 17.8 · 10-6 per °C (20-200 °C) |
| Specific Heat Capacity | 0.089 Btu/lb/°F at 68 °F | 372.9 J/kg at 20 °C |
| Modulus of Elastic in Tension | 16400 ksi | 113074 MPa |
Fabrication Properties
| Technique | Suitability |
|---|---|
| Soldering | Good |
| Brazing | Good |
| Oxyacetylene Welding | Not Recommended |
| Gas Shielded Arc Welding | Not Recommended |
| Coated Metal Arc Welding | Not Recommended |
| Machinability Rating | 80 |
Fabrication Properties provided by CDA