Technical specifications
- Grade
- UNS C10100, OFE copper
- Standard
- ASTM B187
- Copper
- 99.99% min.
- Oxygen
- 5 ppm max.
- Electrical conductivity
- 101% IACS min. (annealed)
- Standard temper
- H02, half hard
- Hydrogen embrittlement
- Not susceptible
- Supply
- Standard and custom sizes, available in lengths from 10 to 19 ft.
OFE busbar advantages
- Laser welding and H₂ brazing with no porosity or embrittlement.
- Edgewise and flatwise bends with less risk of cracking.
- 101% IACS conductivity, among the highest of any copper grade.
- A better base for silver and tin plating, free of oxide inclusions.
Fabrication options
Custom sizes
Beyond our standard sizes.
Light sections
1/8″ thick × 1″ wide.
Custom lengths
From 10 and up to 19 ft.
Cut to length
Pieces under 6 ft.
Rounded or Soft-Square edges
Radiused edges along the full bar.
OFE certified to drawing
For laser welding, H₂ brazing and defense.
Applications
- Switchgear and panelboards
- Transformers
- Power distribution
- Laser welding
- H₂ brazing
- Defense
Send us your spec
Tell us about your application, manufacturing process and material requirements, including product, alloy, dimensions, finish and applicable standards. Include your order quantity and delivery location. Final specifications are confirmed with each order.