CANGZHOU WILSON PIPELINE CO.,LTD

In the processing of seamless steel pipes, there is often a problem that cannot be ignored, which is the weld seam. In order to ensure...

Production process of oil casing pipe Cold drawing: Tube billet – inspection – shearing – heating – hot perforation – heading –...

ERW straight seam welded pipe, also known as “resistance welded straight seam welded pipe”, ERW straight seam welded pipe is mainly pided...

Straight seam steel pipe is widely used in various industries, such as petroleum, metallurgy, construction, coal mine, port, machinery...

1. First of all, do a good job of meeting water quality standards, and strictly monitor and manage water quality. Carry out...

Annealing process of seamless steel pipe: 1. Fully annealed. It is used to refine the coarse and superheated structure with poor...

The detection methods of oil casing pipe are: 1. Ultrasonic inspection When the ultrasonic wave propagates in the tested material, the...

Removal methods of anti-corrosion ssaw steel pipe include mechanical method, chemical method and electrochemical method. Due to the...

The strength and quality of the oil casing pipe is always a concern for everyone, because the quality of the oil casing is one of the...

What are the measures to prevent hot corrosion of seamless steel tubes? Under high temperature and molten deposits, oxygen and other...

The corrosion problem of downhole oil casing pipe in China’s offshore oil and gas fields is extremely serious, which seriously affects...

The seamless steel tube is still quite a substitute in the production process. The reason for this situation of the seamless steel tube...

(1) Since the length of the SAW weld is approximately 4-5 times the length of the ERW weld, the internal welding knob has no process...

What are the ways to avoid wear on seamless steel tubes? 1. Seamless steel tube packaging should be able to prevent slackness and damage...

Petroleum casing pipe can be roughly pided into 4 types according to different usage methods: surface casing, intermediate casing,...

1. Tube blank quality ERW steel pipe special steel has high purity. Through de-S, de-P, de-aeration, Ca treatment and other methods, the...

The technical performance test of seamless steel tubes can be tested through four aspects: hydraulic test, flattening test, bending test,...

In order to strengthen the borehole wall and ensure continued safe drilling, seal off the oil, gas and water layers, ensure layered...

Most of the seamless steel tubes are medium and high carbon alloy steels. After quenching, some supercooled austenite has not been...

The difference between ERW straight seam resistance welded steel pipe and LSAW straight seam submerged arc welded (UOE) steel pipe: 1....