Find suppliers for this alloyC18020
Chemical Composition
Element
Cu(1,2)SnZnCrSi
(1) Cu value includes Ag. (2) Cu + Sum of Named Elements 99.9% min.
Min (%)0.050.100.10
Max (%)Rem0.250.300.300.05
Mechanical Properties*
Form
Temper
Temper Code
Tensile Strength
(ksi)
YS-0.2% Offset
Elongation
(%)
Flat Products1/2 HardH0252   Min
58   Typ
64   Max
48   Min
54   Typ
59   Max
10   Min
HardH0470   Min
64   Typ
58   Max
57   Min
62   Typ
68   Max
5   Min
* Measured at room temperature, 68°F (20°C).
Physical Properties
Melting Point - Solidus°F1980
Densitylb/cu in. at 68°F0.322
Specific Gravity8.91
Electrical Conductivity% IACS at 68°F81
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F191
Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F)9.4
Modulus of Elasticity in Tensionksi17500
Poisson's Ratio0.33
Fabrication Properties
Technique Suitability
SolderingExcellent
BrazingNot Recommended
Oxyacetylene WeldingNot Recommended
Gas Shielded Arc WeldingNot Recommended
Coated Metal Arc WeldingNot Recommended
Spot WeldNot Recommended
Seam WeldNot Recommended
Butt WeldNot Recommended
Capacity for Being Cold WorkedGood
Capacity for Being Hot FormedGood
Common Fabrication Processes
  • Forming and Bending
  • Stamping
Thermal Characteristics

No thermal characteristics for this alloy

Typical uses
Product Category Product Reason Category Reason
ElectricalConnector ComponentsConductivity (Electrical)Electrical Conductivity
Connector ComponentsConductivity (Thermal)Thermal Conductivity
Connector ComponentsCorrosion ResistanceCorrosion Resistance
Connector ComponentsCreep PropertiesCreep Resistant
Connector ComponentsMechanical PropertiesModerate Strength
Connector ComponentsSoftening ResistanceResistance to Thermal Softening
Connector ComponentsSolderabilitySolderability
Lead Frames
Applicable Specifications

No applicable specifications for this alloy

Corrosion Properties

No information available.