Product
Product Details
CT1 Bronze Alloy Casting
CT1 Bronze Alloy Casting is a coinage and fine-grain bronze specified under BS 1400 CT1, containing nominally 95% copper and 5% tin. CT1 is used for architectural, decorative, and fine-detail casting applications where surface finish and definition are important. Indicative price: US$ 9.00/kilogram.
CT1 Chemical Composition (BS 1400)
| Element | Min % | Max % |
|---|---|---|
| Copper (Cu) | 93.5 | 96.5 |
| Tin (Sn) | 4.0 | 6.0 |
| Lead (Pb) | — | 0.10 |
| Zinc (Zn) | — | 0.10 |
| Phosphorus (P) | — | 0.05 |
CT1 Mechanical Properties (Sand Cast – BS 1400)
| Property | Value |
|---|---|
| Tensile Strength | 220 MPa min |
| Yield Strength | 100 MPa min |
| Elongation | 20% min |
| Brinell Hardness | 55 HB typical |
| Density | 8.90 g/cm³ |
International Equivalents of CT1 Bronze
| Standard | Designation | Common Name |
|---|---|---|
| UK – BS 1400 | CT1 | Coinage / Fine Bronze |
| USA – UNS | C94700 | Nickel-Tin Bronze |
| Europe – EN 1982 | CC498K | CuSn5 |
| ISO 1338 | CuSn5 | Low Tin Bronze |
Typical Applications
CT1 bronze alloy castings are used for: architectural and decorative castings, medallions and plaques, fine-detail art casting, electrical connector bodies, bearing cages and retainers, and general light engineering components.