Electrode Material CuCrZr – CuCr1Zr DIN EN 12163/12167

Electrode Material CuCrZr is a curable material with good mechanical properties and high thermal and electrical conductivity. It is mainly used for point or roller electrodes.

Chemical composition (DIN EN 12163:2016-11)

Element	Cu	Cr	Zr	Si*	Fe*
Min. [%]	-	0.5	0.03	-	-
Max. [%]	Rest	1.2	0.3	0.1	0.08

Mechanical properties (DIN EN 1982:2017-11)

Round bars		Ø 10 - 45 mm	Ø 50 - 80 mm
Yield point R_p0,2	[N/mm²]	≥ 420	≥ 390
Tensile strength R_m	[N/mm²]	≥ 480	≥ 480
Brinell hardness	[HB]	≥ 160	≥ 140
Elongation at fracture A	[%]	≥ 18	≥ 8
Modulus of elasticity E	[N/mm²]	~ 120	~ 120

Physical properties (Guideline values)

Coefficient of thermal expansion	[10^-6/K]	17	Electrical conductivity	[m/Wmm²]	47
Thermal conductivity	[W/mK]	322	Specific gravity	[kg/dm³]	8.9

Standards

DIN EN 12163/12167	CuCr1Zr	ASTM	Alloy C 18200, C 18400, C 18500
DIN 17666/17672	CuCrZr	SAE	CA 184
DIN 44759	CuCrZr Klasse A 2/2	AFNOR	UC 1 Zr

Material designation

DIN EN 12163		DIN 17666
Abbreviated designation	Number	Abbreviated designation	Number
CuCr1Zr	CW106C	CuCrZr	2.1293

Forms of delivery

DIN EN 12163	Range[mm]	Tolerance [mm]	Manufacturing method
Round bars	Ø 6 - 80	0/- 0,2	drawn
Round bars	Ø 85 - 91	0 /+1	pressed
Round bars	Ø 100 - 200	0/+3	pressed

Example uses

Point and rolled seam electrodes for welding low carbon steel sheets (C < 0.3%).

Machinability

Electrode Material CuCrZr is machinable similar to pure copper. The formation of built-up edges can be counteracted by increasing the cutting speed.

Elektrodenwerkstoff CuCrZr - Availability

Round bars from Ø 10-160 mm and rectangular bars from 20–100 mm are available from stock.
Further round bars in intermediate sizes from Ø 6–200 mm are available at short notice.
Further dimensions in flat, rectangular and hexagonal bars are also available at short notice.
Forged rings, bushings and edge profiles onto the base sizes or contour pre-fabricated.
Ready-to-install parts in accordance with customer drawing.

We will be more than pleased to advise you.

Subject to technical modifications; no responsibility is accepted for the accuracy of this information.

Links

Additional information can be found in this Looser Bronzen catalogue or under download.

Material data sheet
Elektrodenwerkstoff CuCrZr
PDF

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