Api Welded L360 Erw Pipe Mill Production Line

Pipe Mill API Welded Pipe Production Line Machine Tube Machine Construction Pipe Erw Weld Steel Carbon Steel Marketing Metal

Product Introduction

It’s for coil the strip steel into barrel shape and then weld it to pipes. Based on skin effect and proximity effect, focus the current highly on the welding face of the pipe, then the temperature will raise up to welding level, and be welded after squeeze roller. Then after cooling, sizing, rough straightening, it will be finished product at specified size. Baseline horizontal method is applied in this production line, and rollers are double radius pass type. The main part is composed of forming, welding and sizing part.

Basic Technical Information 

Usage

Architectural structure pipes, API pipes, tower footing tubes, automobile beam steel pipe and other products.

Technical Flow

Scroll up→ Uncoiler→ Straightening end→ Flattener→ Auto-Shear and welding→ Horizontal accumulator→ Strip UT→Forming(ZTF) → H.F. induction welding→ Removing external burr→ Removing inner burr→ Burnishing→ Online detection→ Seam annealer→ Air cooling→ Water cooling→ Sizing→ Cut off→ Roll table→Flattening test→ End-facing and chamfering→ Hydrostatic test→Off-line UT test→ Drifter→ Inspection→Weighing and length measurement → Coating & Printing→ Packing→ Warehouse

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