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Chemical Composition
Elements
Cu(1) Pb Al Ti Nb
(1) Cu + Sum of Named Elements 99.5% min.
Min (%) 0.01 2.5 0.01
Max (%) Rem 0.05 0.30 3.5 0.30
Mechanical Properties *
Form Temper Temper Code Tensile Strength
(ksi)
YS-0.2% Offset
(ksi)
Elongation
(%)
Vickers Hardness, 3000 gm
* Measured at room temperature, 68°F (20°C).
Strip Precipitation or Spinodal Heat-treated, Spring and Thermal Stress Relieved TR08 143.5 Min
161 Typ
168.2 Max
137.8 Min
142.1 Typ
152.3 Max
1 Typ
329 Typ
Physical Properties
Densitylb/cu in. at 68°F 0.313
Specific Gravity 8.66
Electrical Conductivity% IACS at 68°F 13
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 19
Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) 9.87
Modulus of Elasticity in Tensionksi 18565
Poisson's Ratioksi 0.347
Fabrication Properties
Technique Suitability
Soldering Excellent
Brazing Excellent
Oxyacetylene Welding Excellent
Gas Shielded Arc Welding Excellent
Coated Metal Arc Welding Excellent
Spot Weld Excellent
Seam Weld Excellent
Butt Weld Good
Capacity for Being Cold Worked Good
Capacity for Being Hot Formed Good
Forgeability Rating 99
Machinability Rating 60
Common Fabrication Processes

No fabrication process properties for this alloy

Typical uses
Product Category Product Reason Category Reason
Electrical Electrical Connectors Excellent Resistance to Stress Relaxation
Terminals Super High Strength
Applicable Specifications

No applicable specifications for this alloy

Corrosion Properties

No Corrosion Properties Available.