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C147
Copper 147 – Sulfur-Bearing Round Bar
C14700
Overview
Copper 147 (C14700) is a sulfur-bearing free-machining copper alloy with 93% IACS conductivity and improved hot workability.
Chemical Composition
| Element | Min | Max |
|---|---|---|
| Copper (Cu) | 99.90% | — |
| Sulfur (S) | 0.20% | 0.50% |
Alloy Designations
UNSC14700
Common NameSulfur Copper
ASTMB124, B301
Mechanical Properties
Tensile Strength (½ Hard)43 ksi (296 MPa)
Yield Strength (½ Hard)40 ksi (276 MPa)
Machinability Rating85
Physical Properties
Density8.94 g/cm³
Electrical Conductivity93% IACS
Thermal Conductivity355 W/m·K
Typical Applications
- Screw machine products
- Electrical connectors
- Motor parts
- Fasteners
- Cold-headed parts
Fabrication & Joining
- Excellent machinability (85 rating)
- Good cold and hot working
- Soldering: Good
- Brazing: Good