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LT·ER70-G 0.8/1.0/1.2/1.6mm High Strength Steel Solid Welding Wire LT·ER70-G Conform to Standard :GB/T 8110 ER70-G AWS ER100S-G Specification:LT·ER70-G is a kind of Ni,Mo,Cr type 690MPa high toughness ...