Alloy | EN number |
Density ca. | Composition in % of weight |
Properties and use |
CuBe2 DIN EN 12163 - 167 12420 1652 1654 |
CW101C |
8,3 |
Be 1,8 - 2,1 Cu Balance |
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 |
Important tempers |
Tensile Strength Rm N/mm² |
Yield Stress Rp0,2 N/mm² |
Elongation A % |
||
Bars M R580 R600 R650 |
* ≥ 580 ≥ 600 ≥ 650 |
* (ca. 450) (ca. 480) (ca. 500) |
* ≥ 10 ≥ 10 ≥ 8 |
||
* = mechanical properties as manufactured | |||||
Comparable Specifications:: CuBe2, 2.1247, DIN 17666 C17200 UNS |
Alloy | EN number |
Density ca. | Composition in % of weight |
Properties and use |
CuCo1Ni1Be DIN EN 12420 1652 |
CW103C |
8,8 |
Co 0,8 - 1,3 Ni 0,8 - 1,3 Be 0,4 - 0,7 Cu Balance |
Like CuCo2B |
Important tempers |
Tensile Strength Rm N/mm² |
Yield Stress Rp0,2 N/mm² |
Elongation A % |
||
Bars M R680 |
* ≥ 680 |
* ≥ 550 |
* ≥ 10 |
||
* = mechanical properties as manufactured | |||||
Comparable Specifications:: C82200 UNS |
Alloy | EN number |
Density ca. | Composition in % of weight |
Properties and use |
CuCo2Be DIN EN 12163 - 167 12420 1652 1654 |
CW104C |
8,8 |
Be 0,4 - 0,7 Co 2,0 - 2,8 Cu Balance |
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 |
Important tempers |
Tensile Strength Rm N/mm² |
Yield Stress Rp0,2 N/mm² |
Elongation A % |
||
Bars M R680 |
* ≥ 680 |
* ≥ 550 |
* ≥ 10 |
||
* = mechanical properties as manufactured | |||||
Comparable Specifications:: CuCo2Be, 2.1285, DIN 17666 C17500 UNS C 112, BS 2872, 2874 |
Alloy | EN number |
Density ca. | Composition in % of weight |
Properties and use |
CuCr1Zr DIN EN 12163 12166 12420 |
CW106C |
8,9 |
Cr 0,5 - 1,2 Zr 0,03 - 0,3 Cu Balance |
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 |
Important tempers |
Tensile Strength Rm N/mm² |
Yield Stress Rp0,2 N/mm² |
Elongation A % |
||
Bars M R370 R430 R470 |
* ≥ 370 ≥ 430 ≥ 470 |
* ≥ 250 ≥ 350 ≥ 420 |
* ≥ 16 ≥ 10 ≥ 8 |
||
* = mechanical properties as manufactured | |||||
Comparable Specifications:: CuCrZr, 2.1293, DIN 17666 C18150 UNS C 102, BS 2872, 2874 |
Alloy | EN number |
Density ca. | Composition in % of weight |
Properties and use |
CuNi2Si DIN EN 12163 - 167 12420 12449 1652 1654 |
CW111C |
8,8 |
Ni 1,6 - 2,5 Si 0,4 - 0,8 Cu Balance |
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 |
Important tempers |
Tensile Strength Rm N/mm² |
Yield Stress Rp0,2 N/mm² |
Elongation A % |
||
Bars M R550 R600 R640 |
* ≥ 550 ≥ 600 ≥ 640 |
* ≥ 430 ≥ 520 ≥ 590 |
* ≥ 15 ≥ 10 ≥ 10 |
||
* = mechanical properties as manufactured | |||||
Comparable Specifications:: CuNi2Si, 2.0855, DIN 17666 C64700, C18000 UNS C 102, BS 2872, 2874 |
Other copper alloys available on demand.
We supply:
Bars
Wires
Plates / Strips
Hollow bars
Forgings
Wires
Plates / Strips
Hollow bars
Forgings
to DIN 17 672
to DIN 17 677/17
to DIN 17 670
to DIN 17 671
to DIN EN 12 420
to DIN 17 677/17
to DIN 17 670
to DIN 17 671
to DIN EN 12 420
resp. DIN EN 12 163/12 167
resp. DIN EN 12 166/682/1733
resp. DIN EN 1652/1654
resp. DIN EN 12 449
resp. DIN EN 12 166/682/1733
resp. DIN EN 1652/1654
resp. DIN EN 12 449