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

Need C147 Copper Round Bar?

Contact our sales engineers for a custom quote on C147 (C14700) copper round bar — tailored dimensions, tempers, and finishing options for your exact specifications.

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