Schreier Metall GmbH: High Copper Alloys

High Copper Alloys

Alloy			Density approx.	Composition in %	Important tempers	Tensile Strength R_m N/mm²	Yield Stress R_p0,2 N/mm²
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 · mm²at 20 °C). Very good machinability, good cold compressibility and very good heat compressibility. Weldable and hard solderable. Use for automatic turned parts amongst others.