... Q235A 4. tensile strength 580Nm/mm 5. Matched UL ************Earthing Electrode********************Product Introduction:Applied to grounding device, electroforming copper cladding ... of the last century, the material entered China, was successively approved by Sinopec, PetroChina, State Power, etc. and was gradually ... so that the product has very wide market application prospect. Earthing electrode