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Catalogue

Product Technology

ERW

Process

01Slitting

The process of slitting coil to various widths for the ERW process.

02Uncoiling

The process of unwinding skelp.

03Leveling

The process of flattening the skelp before entering the pipe manufacturing machine.

04Forming

The process of forming a tube shape while passing the skelp through a forming tools.

05Welding

The process of making a material into a tube by electric resistance welding.

06Sizing

The process for precisely adjusting the outer diameter of the pipe.

07Cutting

The process of cutting the pipe according to the customer’s specifications.

08Chamfering

The process of removing burr of steel pipe.

09Eddy current test

The process of inspecting welding parts and surfaces through eddy current tester.