Industrial News
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Precautions for storage and transportation of large diameter spiral welded pipe
What are the precautions for storage and transportation of large-diameter spiral welded pipes? The following editor will introduce it to you. 1. Pipe packaging should be able to avoid loosening and damage during normal loading, unloading, transportation and storage. 2. If the buyer has spe...Read more -
Role of Welding Preheating
Preheating means a process that heat weldments in whole or in weld areas before welding. Particularly good material for welding high strength level, hardening tendency of steel, thermal conductivity, thickness larger weldments, and when the ambient temperature is too low,welding zone often requir...Read more -
Manufacture and application of seamless steel tube
Seamless tubes are tubes without seams or welds. Seamless steel tubes are considered to be able to withstand higher pressures, higher temperatures, higher mechanical stress and corrosive atmospheres. 1. Manufacturing Seamless steel tubes are manufactured using a number of different methods. The m...Read more -
The importance and advantages of anti-corrosion steel pipe
Anti-corrosion steel pipes play important and different roles in people’s daily life. Anti-corrosion steel pipes generally refer to the use of special processes to carry out anti-corrosion treatment on ordinary steel pipes (such as seamless pipes, welded pipes), so that the steel pipes have...Read more -
ERW pipe standard
ERW pipe standard are as follows: API 5L, ASTM A53 B, ASTM A178, ASTM A500/501, ASTM A691, ASTM A252, ASTM A672 API 5L Standard aims to gas and water in oil and gas industry for reference, which is used for seamless steel pipe and welded steel pipe,including common port and port, pipe socket port...Read more -
Principle of automatic butt welding machine for steel pipe
The preheating flash welding process: before the continuous flash welding is stopped, the welding machine is preheated to the reinforcing steel. Clamp the steel bar on the jaw of the butt welder. After the power is turned on, the open end is used to make the end face of the steel bar smash with l...Read more
