C19010 (ASTM B422) Alloy Data Specifications

A proven alloy in applications from automotive terminals to miniaturized electronic connectors, C19010 is versatile option for terminal designers looking for enhanced material performance over traditional high-copper alloys. A combination of high strength and good electrical conductivity are achieved in this precipitation-hardened alloy through a precision controlled process designed to optimize the alloys performance while retaining excellent formability. For more information contact Olin Brass Market Development Engineering at 618-258-5255, OlinBrass.com or email us at info@olinbrass.com.

Chemical Composition

Copper1 Remainder
Nickel 0.8-1.80%
Silicon 0.15-0.35%
Phosphorus 0.01-0.05%

1Copper plus named elements, 99.5%

Physical Properties

  English Units Metrics Units
Density 0.323 lb/in3 @ 68oF 8.94 g/cm3
Thermal Conductivity 150 BTU-ft/ft2-hr-oF 260 W/mK
Electrical Resistivity 18.5 ohm circ mils/ft 3.078 microhm-cm
Electrical Conductivity (annealed) 55% IACS* 0.325 megamho/cm
Modulus of Elasticity 18,500,000 psi 130 kN/mm2
Coeff. of Thermal Expansion
  68-572oF (20-300oC) 9.3 PPM/oF 16.8 PPM/oC

*International Annealed Copper Standard

Mechanical Properties

Temper1 Tensile Strength Yield Strength2 % Elongation2 Typical 90o Bend Formability GW/BW3
ksi N/mm2 ksi N/mm2
TM004 - - - - - - -
TM024 - - - - - - -
TM044 - - - - - - -
TM064 - - - - - - -
TM08 84-94 580-650 78 min 540 min 8 min 0.5 0.7

1Mechanical properties subject to change. All tempers listed are made to a Yield Strength specification.
2Nominal Values in 2" (51mm)

3R/T = Bend Radius/Material Thickness <0.016" (0.4mm) thick, 11/16 (17.5mm) wide.
4Consult mill for temper availability.