O.D.:406---1422mm,
wall thickness:6---50mm

The equipment can change fashion quickly and simply,produce wide range of specifications,which is specialized in producing Longitudinal Submerged Arc welding Pipeline of outside diameter from 406.4mm to 1422.4mm ,wall thickness from 6m to 50m,unit length from 3m to 12.5m,steel grade could be simple carbon steel,special type steel and low alloy steel ,the steel grade could be up to max X80 .it is able to manufacture 150,000 tons per year.