crane wire roller is characterized by light weight, high strength, good wear resistance, and low production period Crane wire roller specifications: 1) Material: Q235B, Q345B, 35#, 16Mn2) Diameter: 2,000mm3) Length: ≤8,000mm4) The roller seam uses ultrasonic and fluorescent magnetic powder to detect the flaws5) The roller shall be annealed after welding crane wire roller