ERW CARBON STEEL TUBE MILLS
High Frequency Welded Pipe Line is a characteristic product of our company. It is one of the lines which under years of research of our company and has been designed by combining advanced foreign technology and production experience. There are High Class petroleum casing pipe, simple fluid pipe and smaller diameter with thicker wall straight line. （API-5L、API-5CT 、BS1387-85 、GB9711 , Diameter：∮16-610mm , Thickness：1.2-20 mm）
Technological flow sheet:
Coil car→uncoiler→Pinching&Leveling→Shearing&Butt-welding→Accumulator(Loop) →Forming→Welding→Air Cooling→Water Cooling→Sizing→Cutting Off→Straighter→Facing&Bevelling→Hydraulic Tester→Collecting →Nondestructive test
Uncolier
Accumulator
sizing and forming
Cut flying
Layout Reference
Processing:
Un-Coiler (Option: 1. Single-head hydraulic un-coiler, 2. Double-heads pneumatic un-coiler, 3. Double-heads hydraulic un-coiler)---->Strip-head shearer&Butt Welder(1. Semi-auto gantry shearer&CO2 butt welder, 2. Semi-auto shearer&butt welder, 3. Auto shearer&Butt welder)---->Acuumulator( 1.Vertical cage accumulator, 2. Horizontal loop acuumulator, 3. Landed spiral loop acuumulator)---->Forming and Sizing(Quick-change system)---->Sawing(1.Cold flying saw, 2.hot flying saw)---->Conveyor Table---->Automatic stacking and packing machine
