Populære standarder

• ASTM A394 - 08(2015)

  Standard Specification for Steel Transmission Tower Bolts, Zinc-Coated and Bare

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• ASTM A925 - 03(2020)

  Standard Specification for Zinc-5?% Aluminum-Mischmetal Alloy-Coated Steel Overhead Ground Wire Strand

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• ASTM B173 - 17

  Standard Specification for Rope-Lay-Stranded Copper Conductors Having Concentric-Stranded Members, for Electrical Conductors

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