165-377mm API Tube Mill Pipe Manufacturing Machinery 580KW

165 - 377mm Pipe Manufacturing Machinery Customized Equipment for Oil Gas ERW Tube Mill

Product Introduction

This API pipe mill is specialized equipment to produce straight welded pipe for petroleum and gas with Φ165mm~Φ377(355)mm and wall thickness of 4.0~14.0mm. Taking hot-rolled steel as raw material, it produce required pipes through cold roll forming and suitable welding methods. Within suitable range of pipe diameter and wall thickness, pipe production speed can be adjusted.

Raw material: L245,L360,A53,J55,N80 ,X42,X46,X52,X56,X60,X65,X70

Basic Technical Information 

Usage

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

Equipment advantages

√ When producing round pipe, it can utilize ZTF forming technique

√ When producing square & rectangular tube, it can utilize directly square-square (DSS) technique

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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