... 200,300,400series 2.Surface:bright shiny /soap coated/EPQ 3.standard:ASTM,DIN,EN,GB,JIS ... steel wire series: Cold Heading Wire, Weaving Wire, Redrawing Wire, EPQ Wire, Welding Wire, Spring Wire, Shaped Wire. Surface: bright shiny /soap coated/black/ ... hydrogen annealed wire is used for spring wire, screw wire, steel rope, redrew wire, wire for steel structure, soft pipe, metal wire mesh, etc ...