Find suppliers for this alloy C18020
Chemical Composition
Elements
Cu(1,2) Sn Zn Cr Si
(1) Cu value includes Ag.
(2) Cu + Sum of Named Elements 99.9% min.
Min (%) 0.05 0.10 0.10
Max (%) Rem 0.25 0.30 0.30 0.05
Mechanical Properties *
Form Temper Temper Code Tensile Strength
(ksi)
YS-0.2% Offset
(ksi)
Elongation
(%)
* Measured at room temperature, 68°F (20°C).
Flat Products 1/2 Hard H02 52 Min
58 Typ
64 Max
48 Min
54 Typ
59 Max
10 Min
Hard H04 70 Min
64 Typ
58 Max
57 Min
62 Typ
68 Max
5 Min
Physical Properties
Melting Point - Solidus°F 1980
Densitylb/cu in. at 68°F 0.322
Specific Gravity 8.91
Electrical Conductivity% IACS at 68°F 81
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 191
Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) 9.4
Modulus of Elasticity in Tensionksi 17500
Poisson's Ratio 0.33
Fabrication Properties
Technique Suitability
Soldering Excellent
Brazing Not Recommended
Oxyacetylene Welding Not Recommended
Gas Shielded Arc Welding Not Recommended
Coated Metal Arc Welding Not Recommended
Spot Weld Not Recommended
Seam Weld Not Recommended
Butt Weld Not Recommended
Capacity for Being Cold Worked Good
Capacity for Being Hot Formed Good
Common Fabrication Processes
  • Forming and Bending
  • Stamping
Thermal Properties

No thermal properties for this alloy

Typical uses
Product Category Product Reason Category Reason
Electrical Connector Components Conductivity (Electrical) Electrical Conductivity
Connector Components Conductivity (Thermal) Thermal Conductivity
Connector Components Corrosion Resistance Corrosion Resistance
Connector Components Creep Properties Creep Resistant
Connector Components Mechanical Properties Moderate Strength
Connector Components Softening Resistance Resistance to Thermal Softening
Connector Components Solderability Solderability
Lead Frames
Applicable Specifications

No applicable specifications for this alloy

Corrosion Properties

No Corrosion Properties Available.