... plate thickness:3-10mm width:0.5-2.5m steel grating shelves ISO 9001:2008 with 10 years factory Material: Mild ... (low carbon) steel or stainless steel Style:plain,serrated,I-shape,serrated ... GradeASTM A36, A1011, A569, Q235, S275JR, SS304, Mild steel & Low carbon steel, etc5Surface TreatmentBlack, self color, hot dip galvanized, painted, spray ...