Bars in round, square, rectangular and flat, discs and rings, forgings, electrodes for spot seam-, projection- and butt welding, castings on request (Available sizes can be found in our current stock list).

CuCrZr

(CW106C / 2.1293 / C18150)

Bars in round, square, rectangular and flat, discs and rings, forgings, electrodes for spot seam-, projection- and butt welding, castings on request

Precipitation hardened copper alloy with excellent hardness and high electrical and thermal conductivity

Electrodes and cap tips for spot welding as well as for spark erosion

Contact tips for MIG/MAG welding

Parts in electrical equipments under high stress conditions if high electrical conductivity is required

Application predominantly at low mechanical load if simultaneously very high heat elimination is desired

CuNi2SiCr

(~CW111C / ~2.0855 / C18000)

High thermal conductivity combined with good hardness and high-temperature. Good retention to tempering. Not suitable for case hardening and nitriding

Shanks for resistance welding electrodes – Nozzles for submerged-arc welding devices – Pistons in cold chamber machines – Cooling inserts in moulds – ejector pin

Rods drawn, extruded or forged and turned ex stock, flat-, square or profile bars, furthermore forgings or machined parts against drawing on request.

CuCoNiBe

(CW103C / ~2.1285 / ~C17500)

Precipitation hardened copper alloy with very high hardness and good electrical and thermal conductivity.

Rods drawn or extruded in round, square and flat; discs and rings, forgings, electrodes for spot-, seam-, projection- and butt welding, castings on request

• Electrodes for spot welding, especially for stainless steel
• Electrodes for projection welding
• Butt welding jaws
• Contact tips for submerged-arc-welding
• Plunger tips for horizontal die casting machines

 CuBe2

(CW101C / 2.1247 / C17200)

Precipitation hardened alloy with good thermal conductivity and high hardness.

Not suitable for case hardening or nitriding

Round-, square- and flat -bars, discs, rings, foils and forged pieces

• Plastic blow and injection moulds;
• Inserts in steel tools on spots requiring higher cooling rates. Due to a high tensile strength also suitable for inserts with a high ratio of length/cross section;
• Nozzles and needles for hot runner systems
• Cooling inserts in moulds and ingot moulds