Mega4 series heavy-duty tube laser cutting machine is designed for ultra-large and ultra-long tubes, with 3D beveling cutting ability. Easily handle extra-heavy tubes with a single tube weight of more than 1.2 tons and a diameter of ∅ more than 350mm. Even though ∅ 520mm (20.47″） Mega series laser tube cutting machines are widely used in engineering machinery, bridges and tunnels, construction machinery, steel structures, and other industries, helping enterprises to improve quality and efficiency.