... 20#, etc 2.Side Length:12-110mm 3.Wall Thickness:0.8-9mm 4.Length:5 ... 45#, etcLow Alloy: Q345, 16Mn, Q390, ST52-3, etcSide Length12-110mmWall Thickness0.8-9mmLength5.8-12mWeight0.275- ... 27.77kg/mApplications:a.) Construction, machinery manufacturing, steel structure engineering;b ... Our company has a large rang of various assortment of steel products such as: I-Beam, Channel, ...