Find suppliers for this alloy C70318
Chemical Composition
Elements
Cu(1) Pb Zn Fe Ni Co Cr Mg Mn Si Zr
(1) Cu + Sum of Named Elements 99.5% min.
Min (%) 2.6 0.8 0.6
Max (%) Rem 0.05 0.50 0.50 3.4 1.2 0.20 0.10 0.50 1.2 0.10
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 Mill-hardened Temper, TM - XHM - Extra Hard TM06 121.8 Min
129.8 Typ
140.7 Max
117.5 Min
126.9 Typ
133.4 Max
2 Typ
268 Typ
Physical Properties
Melting Point - Liquidus°F 2010
Melting Point - Solidus°F 1967
Densitylb/cu in. at 68°F 0.318
Specific Gravity 8.8
Electrical Conductivity% IACS at 68°F 45
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 93
Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) 9.87
Modulus of Elasticity in Tensionksi 17400
Poisson's Ratioksi 0.340
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 Super High Strength
Terminals Excellent Resistance to Stress Relaxation
Electrical Connectors Conductivity (Electrical) Good Conductivity
Applicable Specifications

No applicable specifications for this alloy

Corrosion Properties

No Corrosion Properties Available.