Bronze
Bronze C91000
Heat Treatability
The stress relieving temperature of this alloy is 500 F or 260 C. The time at temperature is one hour per inch of section thickness. This alloy does not respond to heat treatment.
Machinability
The machinability rating of this alloy is 20. (Where Alloy 360 FC Brass is 100).
Principle Design Features
Cast- Bronzes (Copper-Tin)
Weldability
Soldering of this alloy is rated as "excellent", brazing is rated as "good", oxyacetylene welding is rated as "fair", carbon arc welding is rated as "fair", gas shielded arc welding is rated as "fair", and coated metal arc welding is rated as "fair".
Known Forms
Coil
Disc
Flat Bar
Foil
Hexagon Bar
Hollow Bar
Pipe
Plate
Ring
Rod
Round Bar
Round Tube
Sheet
Square Bar
Strip
Additional Data
Specifications
B30,B505,C390,C91000Chemical Elements
| Aluminum | 0.005 max |
| Antimony | 0.2 max |
| Copper | Includes Ni |
| Iron | 0.1 max |
| Lead | 0.2 max |
| Nickel | Includes Co |
| Phosphorus | For continuous castings, P 1.5 max |
| Remainder Total | Cu + sum of named elements 99.4 min |
| Silicon | 0.005 max |
| Sulphur | 0.5 max |
| Tin | 14 - 16 |
| Zinc | 1.5 max |
Physical Properties
Density: 0.323lb/in³