Tellurium Copper Rod Alloy 145

Stock Photo

Applications

Forgings, screw machine products and parts requiring high conductivity, extensive machining, corrosion resistance, copper color, or a combination of these; electrical connectors, motor and switch parts, plumbing fittings, soldering coppers, welding torch tips, transistor bases and furnace brazed articles.

Mechanical Properties

Typical for 1" solid diameter Hard (35%) Temper

Hardness* Rockwell B Scales 48

Tensile Strength** KSI 48

Yield Strength** KSI 44

Elongation** % in 2 inch 20

*Hardness conversions are approximate

**Test values are nominal approximations and depend on specimen size and orientation.

Physical Properties

Thermal Conductivity BTU/ (sq ft-ft-hr-F) 205

Specific Heat BTU/lb/_F @ 68F .092

Thermal Expansion Per ?F from 68 F to 212 F .0000095

Density lb/cu in @ 68 F .323

Electrical Conductivity* (annealed) % IACS @ 68 F 93

Modulus of Elasticity KSI 17,000

*Volume basis

Fabrication Properties

Capacity for being cold worked Good

Capacity for being hot formed Good

Hot forgeability rating (forging brass=100) 65

Hot working temperature 1400-1600 F or 750-875 C

Annealing temperature 800-1200 F or 425-650 C

Machinability rating (Free Cutting Brass=100) 85

Suitability for being joined by: Soldering/Excellent

Brazing/Good

Oxyacetylene Welding/Fair

Gas Shielded Arc Welding/Fair

Coated Metal Arc Welding/Not Recommended

Resistance Welding Spot/Not Recommended

Seam/Not Recommended

Butt/Fair