Counted among the distinguished organizations, we are engaged in manufacturing, supplying and exporting excellent quality Tellurium Copper. Owing to its high strength, excellent conductivity and high corrosion resistance, our offered product is highly acclaimed in the market. Moreover, it can easily be casted, extruded, punched and drawn. Hence, Tellurium Copper is widely used in forgings, plumbing fittings, transistor bases, switch parts and electrical parts. We supply this product within stipulated time frame to our customers.
Nominal Chemical Composition % by weight
Copper (incl. Silver) |
Phosphorus |
Tellurium |
99.7 |
.008 |
.55 |
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 |
Physical Properties
Thermal Conductivity |
BTU/ (sq ft-ft-hr-F) |
205 |
Specific Heat |
BTU/lb/ @ 68F |
.092 |
Thermal Expansion |
Per 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 |
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 |
GOVIND METAL CO.
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