Copper Flat Bars & Blocks | Busbar & Tooling Grade
Material No. Unified Numbering System (UNS): C11000, C18150
Chemical Composition
| Element | Cu | Cr | Zr |
|---|---|---|---|
| Min (%) | 99.90 | 0.5 | 0.03 |
| Max (%) | Rem | 1.2 | 0.3 |
1. Radius edge and sharp square edge profiles available.
Precision rolled and drawn copper flat bars engineered for maximum current density in heavy duty electrical switchgear.
Common Fabrication Processes
Continuous Extrusion
Precision Rolling
Annealing
Edge Trimming
Mechanical & Electrical Properties
| Form | Range in mm | Tensile Strength in N/MM² | Elongation in % | Rockwell Hardness HRB | Conductivity% |
|---|---|---|---|---|---|
| Flat Bar | 5 - 60 mm thick | ≥360 | ≥10 | ≥65 | ≥78 |
| Forged Block | Thick <= 170 mm | ≥360 | ≥12 | ≥75 | ≥78 |
Physical Properties
| Melting Point – Liquidus °C | 1083 |
| Electrical Conductivity% IACS at 20°C | 98-101 |
Applicable Form & Size
| Form | Size Dimensions |
|---|---|
| Flat Bar | Thick: 5 mm - 60 mm | Width: 20 mm - 150 mm | Length: 2 Mtr. max |
| Forged Block | Thick: 170 mm max | Width: 320 mm max | Length: 600 mm max |
Apart from above we can also manufacture as per customer specification.
Typical Industrial Applications
Electrical Sector
- Heavy Duty Busbars
- Generator Stator Connections
Industrial & Automotive Sector
- Plunger Tips
- Mold Plates for Steel Casting