... (low carbon) steel or stainless steel Style:plain,serrated,I-shape,serrated-I shapeProcess: Steel grating mesh is made ... , 40x5, 50x5, 65x5, 75x6, 75x10---100x10mm etcI bar: 25x5x3, 30x5x3, 32x5x3, 40x5x3 etcUS standard: 1'' ... steel & Low carbon steel, etc5Surface TreatmentBlack, self color, hot dip galvanized, painted, spray coating 6Grating StylePlain / Smooth, Serrated /teeth, I bar, serrated I bar ...