... -130mm Length:4-9M Material:Q235,45#,16Mn,40Cr Cold Drawn Flat BarSpecificationsWe are Professional Supplier of the Cold Drawn Flat Bar. Material: carbon steel ... ~12 meters in length.Application: construction structure, machine equipment parts, hardware and tools, staircase, bridge, viaduct, fences, etc Hot Rolled Steel Flat Bar Grade:Q235 ...