... :Bridge,FlooringCountry of Origin:Anping,ChinaL&B Steel GratingMaterialLow carbon steel / Stainless steelGradeCN: Q235, Q345, USA: ... -like), I bar (I section), Serrated-ICross bar size5X5, 6X6, 8X8mm (twisted bar)/5, 6, 8mm ( round bar)Cross bar pitch40, 50 ... and chemical, port, power, transportation, papermaking, medicine, steel and iron, food, municipality, real estate, manufacturingFeature: Light ...