Manufactur standard Welding Drill Stem Pipe - API 5l Spiral Pipe API Spiral Heavy Weight Drill Pipe ARC Welded Pile Steel Pipes – XH

Detail

Shandong Xinhe International Trade Co., Ltd. introduced welded pipe, welded steel pipe is also known as welded pipe, is made of steel plate or strip after crimping forming welded steel pipe, general length 6 meters. Welded steel pipe production process is simple, high production efficiency, variety of specifications, less investment in equipment, but the general strength is lower than seamless steel pipe.

Raw material uncoiling — leveling — end cutting and welding — lobbing — forming — welding — internal and external bead removal — pre-correction — induction heat treatment — sizing and straightening — eddy current testing — cutting off — water pressure inspection — pickling — final inspection (strict control) — packaging — shipment.

There are many kinds of quality inspection methods for straight seam welded pipe, among which physical method is also commonly used. Physical inspection is to use some physical phenomena to measure or inspect the method. Nondestructive testing is generally adopted. The current NDT includes magnetic NDT, ultrasonic NDT, ray NDT, penetration NDT, etc.

Specification

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Packing & Delivery

We have cooperated with experienced shipping forwarders for many years, they arrange the shipment. No matter by express, by air or by sea, we will track the course of the goods all the way, to make sure goods arrive at you on time and in good condition.

Production Process

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