How to Eliminate Welding Residual Stress?
Welding residual stress is the temperature difference inside the weldment caused by the heating and cooling process during welding, which leads to inconsistent deformation and internal stress. Welding...
3PE Coating Pipe, 3PE Anti-corrosion Steel Pipe
3PE anticorrosive steel pipe base materials include seamless steel pipes, spiral steel pipes and straight seam steel pipes. The three-layer polyethylene (3PE) anticorrosive coating has been widely use...
Common Defects of Seamless Steel Pipe
As a commonly used steel product, seamless steel pipe has certain defects due to various reasons. The common defects are as follows.
1. There are holes in seamless steel pipes, that is, there are r...
The Method of Seamless Steel Pipe to Achieve Hardness and High-quality Mechanical Properties
Seamless steel pipes are widely used in mechanical manufacturing, because the mechanical performance of this steel is very good. But because it is medium carbon steel, the quenching performance is not...
Why are the Pipes for Industrial Boilers All Seamless Steel Pipes?
Seamless steel pipes for boilers are high-quality carbon steel, alloy steel and stainless heat-resistant steel seamless steel pipes used to manufacture high-pressure and above-pressure water-tube boil...
Steel Pipe Submerged Arc Welding Process
The submerged arc welding process(SAW) is suitable for the requirements of heavy industrial applications such as pipelines, pressure vessels and tanks, locomotive manufacturing, heavy construction, an...
