Product
Product Details
C91100 Tin Bronze Casting

C91100 Tin Bronze Casting is a high-tin copper alloy (UNS C91100) containing nominally 84% copper and 16% tin. This alloy offers exceptional hardness and is used primarily for heavy-duty gears, worm wheels, and bridge bearings. Electrical Accessories India manufactures C91100 sand castings and centrifugal castings. Indicative price: US$ 11.00/kilogram (subject to quantity and specification).
C91100 Chemical Composition
| Element | Min % | Max % |
|---|---|---|
| Copper (Cu) | 82.0 | 85.0 |
| Tin (Sn) | 15.0 | 17.0 |
| Lead (Pb) | — | 0.25 |
| Zinc (Zn) | — | 0.25 |
| Nickel (Ni) | — | 0.50 |
| Phosphorus (P) | — | 0.05 |
C91100 Mechanical Properties (Sand Cast – ASTM B584)
| Property | Value |
|---|---|
| Tensile Strength | 276 MPa (40,000 psi) min |
| Yield Strength | 207 MPa (30,000 psi) min |
| Elongation | 1% min |
| Brinell Hardness | 95 HB typical |
| Density | 8.67 g/cm³ |
| Melting Range | 790–980°C (1450–1800°F) |
International Equivalents of C91100
| Standard | Designation | Common Name |
|---|---|---|
| USA – UNS | C91100 | High Tin Bronze (84-16) |
| UK – BS 1400 | PB2 | High Tin Phosphor Bronze |
| Europe – EN 1982 | CC492K | CuSn11Pb2 |
| Germany – DIN | 2.1060 | CuSn14 |
| ISO 1338 | CuSn12 | High Tin Bronze |
| Japan – JIS H5111 | CAC403 | Tin Bronze |
Typical Applications
C91100 tin bronze castings are used for: heavy-duty gears and worm wheels, bridge bearings and expansion plates, high-load slow-speed bearings, pump liners, and bell and art casting applications.