L68B3 Mast Section for Tower Crane  

BQ Tower Crane Mast Section L68B3 1. Introduction of mast section L68B3 Tower crane mast section is the main supporting of tower crane. Mast section is made of steel trussed sections that are connected together during installation. Based on required tower crane models, mast sections have several types of models. Among them, 1.2m*1.2m*3.0m, 1.6m*1.6m*3.0m, 2.0m*2.0m*3.0m type of mast sections are common used. 1.2m is S24 mast section for MC80 &MC85 Tower cranes. 1.6m means the L44A1, L46A1 model mast section. Tower Crane Mast Section 2m means Mast Section L68 and L69. BQ tower crane L68B3 mast section is made of round steel. L68B3 mast section is 2m mast section for tower crane.  2. The parameters of L68B3 mast section  Mast Section Model : L68B3 Mast Size: 2.0*2.0*3.0m Steel Material : Q345B, 235B Pin Size: D55mm Web member: round steel Main Chord Material: Angle Steel ∠200*20…