ASTM B786次级绝缘用19股单绞捻1350型铝导线
日期:2012-02-08 12:10
minum alloy wires in tempers 0 and H1X or H2X are permitted. These conductors shall be constructed with a central core wire surrounded by two layers of helically laid wires, resulting in an outer diameter equal to the compressed-stranded equivalent conductors. Electric-butt welds, cold pressure welds, or electric-butt cold-upset welds may be made in the finished individual wires composing the conductor. Mechanical (tension) and electrical tests shall be performed on the wires composing the condu
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11/01 06:48