Schreier Metall

High Copper Alloys

DIN EN 12163 - 12167/12420/12449/1652/1653

Alloy Density approx. Composition
in %
Important
tempers
Tensile Strength
Rm
N/mm2
Yield Stress
Rp0,2
N/mm2
Elongation
A
%
Hardness
HB
Electr.
conductivity
MS/s
CuBe2
DIN EN
12163 - 167
12420
1652
1654
CW101C 8,3 Be 1,8 - 2,1
Cu bal.
Bars

M
R580
R600
R650




≥ 580
≥ 600
≥ 650




(ca. 450)
(ca. 480)
(ca. 500)




≥ 10
≥ 10
≥ 8















Comparable Specifications:
CuBe2, 2.1247, DIN 17666
C17200 UNS

The strength values stated above refer to an annealed state. Curing does not normally take place until after processing. Very high strength values when cured. Good temperature resistance, at low temperatures down to approx. -200 °C and at high temperatures up to approx. 350 °C. High wear resistance. Springs of all kinds, membranes, hard-wearing parts, non-sparking and non-magnetic tools, moulds for plastic processing.
Thermal conductivity at 20°C: 92-125 W/m K, electrical conductivity at 20°C: 8-18 m/Ω · mm2

CuCo1Ni1Be
DIN EN
12420
1652
CW103C 8,8 Co 0,8 - 1,3
Ni 0,8 - 1,3
Be 0,4 - 0,7
Cu bal.
Bars

M
R680




≥ 680




≥ 550




≥ 10











Comparable Specifications:
C82200 UNS

Like CuCo2Be

CuCo2Be
DIN EN
12163 - 167
12420
1652
1654
CW104C 8,8 Be 0,4 - 0,7
Co 2,0 - 2,8
Cu bal.
Bars

M
R680




≥ 680




≥ 550




≥ 10











Comparable Specifications:
CuCo2Be, 2.1285, DIN 17666
C17500 UNS
C 112, BS 2872, 2874

High strength values when cured. Good temperature resistance. Higher electrical and thermal conductivity and slightly lower hardness and strength values as compared to Cu Be2. Hard-wearing. Electrodes for electrical resistance welding or at high welding pressures.
Thermal conductivity at 20 °C: 192-239 W/m K, electrical conductivity at 20 °C: 25-32 m/Ω · mm2

CuCr1Zr
DIN EN
12163
12166
12420
CW106C 8,9 Cr 0,5 - 1,2
Zr 0,03 - 0,3
Cu bal.
Bars

M
R370
R430
R470




≥ 370
≥ 430
≥ 470




≥ 250
≥ 350
≥ 420




≥ 16
≥ 10
≥ 8















Comparable Specifications:
CuCrZr, 2.1293, DIN 17666
C18150 UNS
C 102, BS 2872, 2874

Very high electrical and thermal conductivity at medium strength values. High softening temperature, long life. Electrodes for resistance welding.
Thermal conductivity at 20 °C: 167-320 W/m K, electrical conductivity at 20 °C: 26-48 m/Ω · mm2, fully cured approx. 43-48 m/Ω · mm2

CuNi2Si
DIN EN
12163 - 167
12420
12449
1652
1654
CW111C 8,8 Ni 1,6 - 2,5
Si 0,4 - 0,8
Cu bal.
Bars

M
R550
R600
R640




≥ 550
≥ 600
≥ 640




≥ 430
≥ 520
≥ 590




≥ 15
≥ 10
≥ 10















Comparable Specifications:
CuNi2Si, 2.0855, DIN 17666
C64700, C18000 UNS
C 102, BS 2872, 2874

Combines relatively high strength values with relatively good electrical conductivity when cured. Excellent temperature resistance at low and high temperatures up to approx. 450 °C. High wear resistance and corrosion resistance, good sliding properties. Fixing parts that must be corrosion-resistant and have good conductivity. Highly stressed bearing bushings, pressure discs and slipways. Shipbuilding, marine engineering and apparatus engineering.
Thermal conductivity at 20 °C: 67-120 W/m K, electrical conductivity at 20 °C: 10-23 m/Ω · mm2

CuTeP
DIN EN
12164
CW118C 8,9 Te 0,4 - 0,7
P 0,003 - 0,012
Cu bal.
Bars

M
R250




≥ 250




≥ 180




≥ 7











Comparable Specifications:
CuTeP, 2.1546, DIN 17666
C14500 UNS
CA 109, BS 2874

Very good electrical conductivity (min. 50 m/Ω · mmat 20 °C). Very good machinability, good cold compressibility and very good heat compressibility. Weldable and hard solderable. Use for automatic turned parts amongst others.

= mechanical properties as manufactured

Further High Copper alloys available.

We supply

Bars
Sheets
Tubes
Forgings
DIN EN 12163/12167
DIN EN 1652/1654
DIN EN 12449
DIN EN 12420