Carbon steel tube flaw detection method
Commonly used non-destructive testing methods for carbon steel tubes are: ultrasonice testing (UT), magnetic particle testing (MT), liquid penetrant testing (PT) and X-ray testing (RT). The applicability...
Industrial News
How to choose spiral pipe or seamless pipe?
When it comes to steel pipe selection, there are usually two options: spiral pipe and seamless pipe. While both have their own advantages, spiral steel pipe is usually more economical in terms of price....
Surface processing defects of seamless tubes and their prevention
Surface processing of seamless tubes (smls) mainly includes: steel tube surface shot peening, overall surface grinding and mechanical processing. Its purpose is to further improve the surface quality...
Common outer surface defects of seamless tubes (smls)
1. Folding defect Irregular distribution: If mold slag remains locally on the surface of the continuous casting slab, deep folding defects will appear on the outer surface of the rolled tube, and they...
Points of heating welding tube
Pipe processing step requires strict, in which the hot rolling process is very important process, in which to introduce the following precautions during the heating pipe. 1, the pipe must be able to feed...
How to Solve Bubble Problem of Precision Light Pipe
Heat strengthened, high impact toughness, may not be sensitive to lack. Excellent thermoplastic, high speed extrusion into a complex structure, thin-walled, hollow profiles of various, or forgings forged...
What is the material of hot rolled seamless steel pipe
What is the material of hot-rolled seamless steel pipe? Seamless steel pipe is generally used: it is made of high-quality carbon-structured steel such as 10, 20, 30, 35, 45, 16Mn, 5MnV and other low-alloy...
Quality Inspection Mode of High Alloy Pipe
1. Leveling milling: After the steel sheet leveling machine anvil original curved, then through the edge milling machine for milling steel two-sided margin, so as to meet the needs of the plate width,...
DN125-DN150-DN200 Galvanized Steel Pipe
The wall thickness can reach 0.25mm, and the outer diameter of the thin-walled tube can reach 5mm. The wall thickness is less than 0.25mm, and the dimensional accuracy of cold rolling is higher than that...
Processing Methods of Pipe Fittings
Processing methods of pipe fttings there are many. Many also belong to the scope of machining and the like, the most widely used method of stamping, forging method, roller processing method, rolling method,...
Galvanized Method of Seamless Steel Pipe
To meet the various requirements of the premise of increasing the use of progress, extend the life of galvanized steel, zinc coating materials are evolving. Major new coatings are: (1) A zinc-iron...
Cold Drawn Technology of Spiral Steel Pipe
Spiral steel pipe cold drawn, hot rolled tube defects, such as cracks or spiral steel high-precision cold drawn pipe after the tank, in the course of the fracture, almost no plastic deformation occurs,...