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KG   Calculation

hard copper alloying

The alloying elements which are added into the copper increase the mechanical properties by dissolving in the copper cage or creating new phases when necessary. For example, of these, Cr, Zr, Be also allow the alloy to be hardened by precipitation. Conductivity and mechanical properties can be increased together using precipitation hardening or a similar aging method.

Hard copper alloys are also the alloys that have been developed using this hardening mechanism and find a wide range of uses.


CUPRO Series Hard Copper Alloys

Production Methods

Cupro EL

Cupro Z

Cupro C

Cupro MAX

Cupro CNB

Cupro CB

Cupro NS

Cupro NSS

Cupro NSH

Cupro B2

Cupro NB

Sand Casting


Centrifugal Casting

Continuous Casting

Hot Forging

Cold Drawing

Hot-Cold Rolling



CuproEL 99.99% Cu Pure Copper
Cupro Max CuCrZr
RWMA Class2 - C18150 - 2.1293
Cupro CB CuCo2Be
RWMA Class3 - C17500 - 2.1285
Cupro CNB CuCoNiBe
RWMA Class3 - C17510 - CW103C
Cupro NS CuNi2SiCr
RWMA Class3 - C64700 - CW111C
Cupro NSS® CuNi2Si Cr
RWMA Class3 - C18000 - 2.0855
Cupro NSH® CuNi3Si
RWMA Class3 - C70250 - CW112C
Cupro NSM CuNi7Si2Cr
RWMA Class3 - Nickel Silicon Copper
Cupro B2 CuBe2 UBE2
RWMA Class4 - C17200 - CW101C
Tuncop - Copper Tungsten
RWMA Class12 - Tungsten Copper
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