Bare Copper

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ASTM B-3 Soft or Annealed Copper Wire. ASTM B-3 Specification details the requirements for solid wires and the individual wires in stranded conductors. ASTM B-8 Concentric - Lay - Stranded Copper Conductors Solid or stranded 100% conductivity copper conductors. Application Used for bonding and grounding electrical circuits and systems. Show more