ASTM | Standard Specification for Compact Round Concentric-Lay-Stranded Aluminum Conductors, Steel-Reinforced (ACSR/COMP)
This specification covers compact round concentric-lay stranded conductors made from aluminum 1350-H19 (extra hard) wires and round zinc-coated, aluminum-coated, or aluminum-clad steel core wires usually used in overhead lines. Compact ACSR covered by this specification has five types of steel core wire which are designated by ACSR/GA/COMP, ACSR/GB/COMP, ACSR/GC/COMP, ACSR/AZ/COMP, ACSR/AW/COMP. Electric-butt welds, electric-butt, cold-upset welds, or cold-pressure welds in the individual round-drawn or shaped aluminum wires shall be made during the stranding process.
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