... and 48 hours not having red rust . Diameter1. 0.15 mm -12 mm ( carbon spring steel wire ) 2 ... for hanging:1x7,1x19,1x37,6x7, 6 x 12, 6 x 15,(2mm-6mm)2) Ungalvanized or galvanized steel ... rope for elevator,crane,deep sea fishery purpose Ungalvanized steel rope 6 x ... 19, 6 x 24, 6 x 37, 6 x 19S, 6 x 19W, 6 x 24S,6 x 24W, 6 x 37S, 6 x 36SW, 8 x 19S, 8 x ...