DIN 2.1293 Copper Chromium Zirconium Round Bars For Resistance
Welding Electrodes
Description of Copper Chromium Zirconium:
Used extensively for cap style resistance welding electrodes.
Evidence suggests that it can provide less sticking and resist
deformation longer than
its copper-chrome counterpart in some specific situations.
Physical Properties:
| Density at 68°F: | 0.321 Lbs./In.3 |
| Specific Gravity: | 8.89 |
| Melting Point: | (Liquidus): 1080°C (1976°F) |
| (Solidus): 1070°C (195°F) |
| Coefficient of Thermal Expansion per °F: | 9.5 x 10-6 (77-212°F) |
| Electrical Conductivity at 68°F (volumetric): | 80% IACS (aged and drawn) |
| Thermal Conductivity Btu/ft.2/ft./hr./°F at 68°F: | 187 |
| Modulus of Elasticity - Tension: | 17000 ksi |
Equivalent Specifications:
CuCr1Zr
EN CW106C
DIN 2.1293
ASTM C18150
RWMA Class 2
Chemical Composition:
| Cr: 0.50-1.50% |
| Zr: 0.05-0.25% |
| Cu: Balance |
| Note: Copper plus additions equal 99.70% minimum. |
Mechanical Properties:
| Temper | Section Size | Typical or Minimum | Tensile Strength | Yield Strength (0.5% ext. under load) | Elongation | Rockwell Hardness | Vickers Hardness (approx*) |
| mm | | MPa | MPa | % | B | |
| Wire | | | | | | | |
| TL04 | 12.7 | TYP | 469 | 455 | 15 | 73 | 132 |
| TL02 | 17.8 | TYP | 469 | 338 | 15 | 76 | 140 |
| Rod | | | | | | | |
| TL06 | 12.7 | TYP | 586 | 579 | 16 | 82 | 156 |
| TL04 | 19.1 | TYP | 545 | 517 | 16 | 78 | 146 |
| Wire | | | | | | | |
| TL04 | 15.2 | TYP | 469 | 434 | 20 | 74 | 135 |
| Rod | | | | | | | |
| TX00 | 25.4 | MIN | 448 | 379 | 13 | 75 | 138 |
| TL06 | 15.9 | TYP | 565 | 538 | 14 | 82 | 156 |
| TL04 | 12.3 | TYP | 558 | 545 | 14 | 82 | 156 |
| Wire | | | | | | | |
| TL02 | 15.2 | TYP | 469 | 400 | 19 | 75 | 138 |
Available Shapes:
Forms:
Round bars, Flat bars, Square bars, Rectangular bars, Hexagon bars,
Plates
Specification:
Rods/Bars/Plates/Sheets: UNS.C18150, SAE J461,463；RWMA Class 2,
ISO5182-1991
European Standards: CuCr1Zr, DIN 17666 2.1293, CW106C to EN
Applications:
Electrical Industry:
Resistance Welding Electrodes,
Circuit Breaker Switches.
Consumer:
Rod Extensions, Pencil-type,
Light Soldering Guns, Tips.
Industrial:
Welding Wheels, Tips and Rod extensions for resistance seam and
spot welding.
Product Photo:
CUBERYLLIUM®-815 is a high conductivity, high strength copper alloyed with
chromium. C18150 is heat treatable, and resists softening in
service up to temperatures of 500°C. It is used for spot and seam
welding electrodes, plastic mould components and other applications
requiring excellent electrical and thermal conductivity and high
strength and wear resistance at high temperatures.
