Industrial News
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Cause of the Welds in Trachoma
Spiral Pipe(ssaw steel pipe): by strip by roll forming machine, folding spiral direction, and then double-sided submerged arc welding is made through a capacitor. Spiral welded steel pipe production process, prone to leakage in many cases, such as welding and the wrong side. However, in these cas...Read more -
Advantages of Galvanized Pipes
Advantages of galvanized pipes is following below: Firstly, galvanized pipe after being hot dip galvanized surface can be protected, and inside the cavity of the pipe or any other coating the corner is difficult to enter, deepen the zinc can easily cover to the top, make whole galvanized pipe can...Read more -
Fire pipeline
Fire pipeline is the pipeline system in order to build a fire, due to the special needs of the fire pipe thickness and material have special requirements, and sprayed red paint, conveying fire water. Fire pipeline means for fire safety, fire-fighting equipment is connected, equipment, transport f...Read more -
HSAW pipes
HSAW pipes (spiral submerged arc welded pipe),is mabe of hot-rolled strip steel and bending formed according to spiral, automatic submerged arc welding carried out within the seam and the outer seam welded spiral seam steel pipe (also known as spiral welded pipe, spiral pipe, spiral steel pipe). ...Read more -
Mild carbon steel pipe
Mild carbon steel pipe is one of boilr pipes used in the the power plant boiler pipe. Most of these tubes work under high temperature and pressure, therefore, there is certain requirements on the mechanical properties of mild carbon steel pipe, welding performance and organizational performance, ...Read more -
Quenching technology of straight seam welded pipe
Straight seam welded pipe surface quenching and tempering heat treatment is usually carried out by induction heating or flame heating. The main technical parameters are surface hardness, local hardness and effective hardened layer depth. Hardness testing can use Vickers hardness tester, Rockwell ...Read more