Find suppliers for this alloyC19025
Chemical Composition
Element
Cu(1,2)SnZnFePNi
(1) Cu value includes Ag. (2) Cu + Sum of Named Elements 99.7% min.
Min (%)0.70.030.8
Max (%)Rem1.10.200.100.071.2
Mechanical Properties*
Form
Temper
Temper Code
Tensile Strength
(ksi)
YS-0.2% Offset
Elongation
(%)
Vickers Hardness, 500 gm
Flat Products1/2 HardH0271   Typ
69   Typ
70   Typ
17   Typ
14   Typ
152   Typ
150   Typ
1/4 HardH0158   Typ
57   Typ
25   Typ
26   Typ
137   Typ
135   Typ
Extra HardH0678   Min
88   Min
83   Typ
82   Typ
4   Min
8   Typ
9   Typ
176   Typ
Extra SpringH1098   Typ
97   Typ
91   Typ
6   Typ
190   Min
210   Typ
HardH0473   Min
77   Typ
83   Max
76   Typ
5   Min
10   Typ
14   Max
155   Min
165   Typ
180   Max
SpringH0889   Typ
86   Typ
8   Typ
192   Typ
190   Typ
* Measured at room temperature, 68°F (20°C).
Physical Properties
Melting Point - Liquidus°F1976
Densitylb/cu in. at 68°F0.322
Specific Gravity8.9
Electrical Conductivity% IACS at 68°F40
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F93
Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F)9.4
Modulus of Elasticity in Tensionksi19000
Modulus of Rigidityksi6200
Fabrication Properties
Technique Suitability
SolderingExcellent
Common Fabrication Processes
  • Blanking
  • Forming and Bending
  • Stamping
Thermal Characteristics

No thermal characteristics for this alloy

Typical uses
Product Category Product Reason Category Reason
ElectricalElectrical ConnectorsConductivity (Electrical)Electrical Conductivity
IC and transistor lead framsConductivity (Electrical)Electrical Conductivity
HardwareSpringsBrazing CharacteristicsBrazability
SpringsMechanical PropertiesFatigue Strength
SpringsMechanical PropertiesModulus
SpringsMechanical PropertiesStrength
Applicable Specifications
Form Specific Sub-Form System Standard Description
Sheet & StripASTMB422/B422MCOPPER-ALUMINUM-SILICON-COBALT ALLOY AND COPPER-NICKEL-ALUMINUM-SILICON ALLOY SHEET AND STRIP
StripElectric Connector & Spring ContactASTMB888/B88MCOPPER ALLOY STRIP FOR USE IN MANUFACTURE OF ELECTRICAL CONNECTORS OR SPRING CONTACTS
Corrosion Properties

No information available.