... :0.5-2.5m galvanized steel bar grating weight hot sale and hot scheduling Material: Mild (low carbon) steel or stainless ... Q235 low carbon steel welding load flat steel and bars with certain distances.It goes through cutting ,opening ,edging ... carbon steel, etc5Surface TreatmentBlack, self color, hot dip galvanized, painted, spray coating 6Grating StylePlain / Smooth, Serrated /teeth, I bar, serrated I ...