C11000 ETP Copper Manufacturer & Supplier
Electrolytic tough pitch copper — the default busbar and sheet material at 100% IACS minimum. Oxygen in the melt leaves a trace of cuprous oxide, which costs nothing electrically but makes the metal embrittle if brazed in hydrogen.
UNS: UNS C11000 / CW004A Cu-ETP | Category: Electrolytic Copper
Size Range
Outer Diameter: Busbar 3-50 mm thick · sheet 0.5-25 mm · strip from 0.2 mm · rod 6-100 mm
Chemical Composition (%)
| Cu (incl. Ag) | O | Impurities |
|---|---|---|
| 99.90 min | 0.02-0.04 | 0.03 max |
Mechanical Properties
- Tensile Strength
- 200-250 MPa (annealed), 290-360 MPa (hard)
- Yield Strength
- 70 MPa (annealed), 250 MPa (hard)
- Elongation
- 45% annealed, 6% hard
- Hardness
- 40-50 HV annealed, 95-110 HV hard
Applicable Standards
- ASTM B187
- ASTM B152
- ASTM B75
- ASTM B280
- EN 10204 3.1
Applications
- Switchgear and panel busbars
- Earthing and lightning protection tape
- Transformer windings and connections
- Commutator segments
- Roofing, cladding and architectural sheet
Industries Served
- Power Transmission & Distribution
- Switchgear & Panel Building
- Transformers
- Renewable Energy
- Electrical & Electronics
- Railways & Metro
Equivalent Grades
- CW004A
- CW004A
- Cu-ETP
- Cu-ETP
- C11000
- C11000
- IS 613 ETP
- IS 613 ETP
- JIS C1100
- JIS C1100