325 Tube Mill

Function: This pipe is used especially for Petroleum, Natural gas, City gas, Pipe network, Chemical industry, Electricity, Steel truss, Water and Gas pipeline; it is widely used for a variety of pressure pipelines

Process flow: Coil loading—Uncoiling—Pinching & Leveling—End Shearing‐Strip joining—Horizontal spiral strip accumulator—Forming‐HF Welding– O.D bead cutter–SEAM ANNEALER —Cooling—Sizing & Turks head‐Measuring roll—Flying cut off machine—Run out conveyor_ End facing & chamfering_ Hydrostatic Test- Ultrasonic Testers—Packing

Specification

Raw material:Carbon Steel, Cold or Hot Rolled pre slit strip
coils of weld able grade with max. 0.2% carbon.
Material grade:Q235A~Q345,B,10#、20#,J55,N80,X42-X70
Round pipe O.D.:min 114mm, max.325mm
Wall thickness of Round:min.4.0mm, max.14.0mm
Square tube:min 90x90mm, max250x250 mm
Rectangle tube:min 80x100mm, max200x300 mm
Wall thickness sq & rec.:min.0.8mm,
max.12.5mm
H.F. welder:Solid state,1000 kW
Line Speed:Max 40 m/min
Pipe length:5 – 12 m
Standard:API 5LX, API 5L A&B, ASTM A53 A&B, Up to API X-70

Accreditations

We pride our selves in our 30 years’ experience in roll form engineering and ERW tube mill design. We look after our customers every step of the way throughout the entire manufacturing lifecyle and offer our insights & services on optimizing their roll form equipment.