1.Copper bonded steel. 2.Copper layer thickness 0.254mm 3.Steel core Q235A 4. tensile strength 580Nm/mm 5. Matched UL ************Ground Rod********************Product Introduction:Applied to grounding device, electroforming copper cladding steel material was originated in America. After the seventies of the last century, with the increasing shortage of copper, copper price rose all the way ...
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