... coated wire, standard bolts, common structures High Carbon Steel Wire Rod for Prestressed Concrete 1) Sizes: 6.5mm-12mm 2) Steel ... and zinc coated steel wire, construction materialCold Heading Steel Wire Rod 1)Steel grade: SWRCH15A, SWRCH22A, SWRCH35K, ML08Al, ML15Al 2)Diameter ... : 5.5mm-12mmWelding Steel Wire Rod 1)Steel grade: ER50-6, ER70S-6, H08A, H08MnA, H10Mn2 ...