Copper Stamping Discs & Rings | Cu-ETP / CuCrZr
Material No. Unified Numbering System (UNS): C11000, C18150
Chemical Composition
| Element | Cu | Cr |
|---|---|---|
| Min (%) | 99.90 | 0.5 |
| Max (%) | Rem | 1.2 |
1. Precision blanked and stamped.
High precision stamped copper discs and washers for power semiconductor housings and transformer switchgear.
Common Fabrication Processes
Fine Blanking
Stamping
Deburring
Silver Plating
Mechanical & Electrical Properties
| Form | Range in mm | Tensile Strength in N/MM² | Elongation in % | Rockwell Hardness HRB | Conductivity% |
|---|---|---|---|---|---|
| Stamped Ring | 3-25 mm thick | 300-420 | 12 | 75-90 HB | 80-98 |
Physical Properties
| Electrical Conductivity% IACS at 20°C | 80-101 |
Applicable Form & Size
| Form | Size Dimensions |
|---|---|
| Stamping Disc | OD: Ø50 mm - Ø450 mm | Thick: 2 mm - 30 mm |
Apart from above we can also manufacture as per customer specification.
Typical Industrial Applications
Electrical Sector
- Power Semiconductor Housings
- Transformer Disconnect Discs
Industrial & Automotive Sector
- Gasket Washers for High Voltage Apparatus