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Home » Products » C14500 TELLURIUM COPPER (DEOXIDIZED GRADES) » C14500 TELLURIUM COPPER (DEOXIDIZED GRADES)

C14500 TELLURIUM COPPER (DEOXIDIZED GRADES)

C14500 TELLURIUM COPPER (DEOXIDIZED GRADES)
C14500 TELLURIUM COPPER (DEOXIDIZED GRADES)
Product Code : C14500
Product Description
C14500 Tellurium Copper (Deoxidized Grades)







Spec Equivalents: ASTM B301, ASTM B124, Free-Machining Copper

C145 Tellurium Copper (TelCu) has applications in the production of hot forged products, high-speed screw machine products and parts requiring high conductivity, extensive machining, corrosion resistance, copper color, or a combination of these. The addition of tellurium enhances the strength of the copper alloy and assists in chip breakage, allowing for much higher machining speeds and ultimately longer tool life than with pure copper in high-speed screw machines.

Typical Applications:
Gas cutting nozzles
High-speed automatic screw machines
Electrical Switches on power semiconductors
Welding Torch tips
Transformer & Circuit-breaker terminals
Fasteners
Production of hot forged products

Specifications:
End Product Specification
Bar ASTM B301
Bar, Forging ASTM B124
Brazing Filler Metal FEDERAL QQ-B-650
Fittings ASME B16.22
Forgings, Die ASTM B283
Rod ASTM B301, SAE J461, J463
Rod, Forging ASTM B124
Shapes ASTM B301
Shapes, Forging ASTM B124
Shapes, Refinery ASTM B216
Wire ASTM B301

Chemical Composition:
  Cu P Te
Min/Max 99.90 min 0.004 - 0.012 0.40 - 0.7
Nominals 99.5 0.01 0.55

Fabrication:
Joining Technique Suitability
Brazing Good
Butt Weld Fair
Capacity for Being Cold Worked Good
Capacity for Being Hot Formed Good
Coated Metal Arc Welding Not Recommended
Forgeability Rating 65
Gas Sheilded Arc Welding Fair
Machinability rating 85
Oxyacetylene Welding Fair
Seam Weld Not Recommended
Soldering Excellent
Spot Weld Not Recommended

Physical Properties:
Product Property US Customary Metric
Coefficient of Thermal Expansion 9.5 · 10 6? per °F (68-212 F) 17.1 · 10 6? per °C (20-100 C)
Coefficient of Thermal Expansion 9.7 · 10 6? per °F (68-392 F) 17.5 · 10 6? per °C (20-200 C)
Coefficient of Thermal Expansion 9.9 · 10 6? per °F (68-572 F) 17.8 · 10 6? per °C (20-300 C)
Density 0.323 lb/in3 @ 68 F 8.94 gm/cm3 @ 20 C
Electrical Conductivity 93 %IACS @ 68 F 0.544 MegaSiemens/cm @ 20 C
Electrical Resistivity 11.2 ohms-cmil/ft @ 68 F 1.86 microhm-cm @ 20 C
Melting Point Liquid US 1976 F 1080 C
Melting Point Solid US 1924 F 1051 C
Modulas of Elasticity in Tension 17000 ksi 117000 MPa
Modulas of Rigidity 6400 ksi 44130 MPa
Specific Gravity 8.94 8.94
Specific Heat Capacity 0.092 Btu/lb/°F at 68 F 393.5 J/kg · °K at 293 K
Thermal Conductivity 205.0 Btu · ft/(hr · Ft2 · °F) at 68 F 354.8W/m · °K at 20 C

Sizes Available:
HOLLOW RODS Min Bore Size 20 mm and Max OD 100 mm
ROUND RODS 8mm To 100 mm
HEX 10mm To 60mm
SQUARE 10mm To 60mm
FLAT 10mm Min Thickness and max Width 120mm
BILLETS Up to 200 mm
INGOTS As per Specification

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