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 (Guideline values)
| Round bars | Ø 10 - 45 mm | Ø 50 - 80 mm | |
|---|---|---|---|
| Yield point Rp0,2 | [N/mm2] | ≥ 420 | ≥ 390 |
| Tensile strength Rm | [N/mm2] | ≥ 480 | ≥ 480 |
| Brinell hardness | [HB] | ≥ 160 | ≥ 140 |
| Elongation at fracture A | [%] | ≥ 18 | ≥ 8 |
| Modulus of elasticity E | [kN/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
| 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.
Electrode Material 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.
