Copper Seam Welding Wheels | CuCrZr / CuCr
Material No. Unified Numbering System (UNS): C18150 / C18200
Chemical Composition
| Element | Cu | Cr | Zr |
|---|---|---|---|
| Min (%) | Rem | 0.5 | 0.03 |
| Max (%) | Rem | 1.5 | 0.3 |
1. High hardness for continuous seam welding.
Forged and heat-treated seam welding wheels designed for high productivity continuous resistance welding in fuel tanks and drums.
Common Fabrication Processes
Die Forging
Solution Treatment
CNC Turning
Age Hardening
Mechanical & Electrical Properties
| Form | Range in mm | Tensile Strength in N/MM² | Elongation in % | Rockwell Hardness HRB | Conductivity% |
|---|---|---|---|---|---|
| Seam Wheel | minØ 60 max as per requirement | ≥440 | ≥12 | ≥75 HRB | ≥78 |
Physical Properties
| Rockwell Hardness | 75 - 85 HRB |
| Electrical Conductivity% IACS at 20°C | 78-85 |
Applicable Form & Size
| Form | Size Dimensions |
|---|---|
| Wheel | Dia: Ø400 mm max | Thick: 6 mm - 50 mm |
Apart from above we can also manufacture as per customer specification.
Typical Industrial Applications
Electrical Sector
- Resistance Seam Welding Electrodes
Industrial & Automotive Sector
- Automotive Fuel Tank Seam Welders
- Steel Drum Manufacturing