How to Distinguish the Pros and Cons of Seamless Steel Pipes with the Naked Eye?
In daily steel purchases, the most annoying thing is the purchase of low-quality seamless steel tubes, which affects product quality. How to identify low-quality seamless steel tubes? Let's take a loo...
Seamless Steel Pipe Size and Shape Quality Inspection
The content of seamless steel pipe & tube size inspection mainly includes: the wall thickness, outer diameter, length, curvature, ovality, end slope and blunt angle of the steel pipe, and the cros...
How to Distinguish Forging Cracks and Heating Cracks?
Generally, forging cracks will form at high temperatures. Due to the expansion of the cracks and exposure to air, under a microscope, the inside of the cracks is full of oxide scale, and both sides ar...
Precautions for Transportation of Large-diameter Thin-walled LSAW Steel Pipes
Because of the large diameter and thin wall thickness of large-diameter thin-walled LSAW steel pipes, special attention must be paid during transportation. When transporting large-diameter thin-walled...
Welding Quality Control Techniques for Straight Seam Steel Pipes
The quality control of straight seam steel pipes can only be carried out safely in the production operation, and it is also an inevitable factor to ensure the personal safety of the operators. Applica...
Common Defect Detection Methods for Seamless Steel Pipes
Magnetic particle testing or penetration testing of seamless steel tubes can effectively find surface defects such as surface cracks, folds, heavy skins, hair lines, pinholes, etc. For ferromagnetic m...
