In the engineering construction, the spiral steel pipe is placed in a closed extrusion cylinder by using the extrusion method, and the perforated rod moves together with the extrusion rod to extrude...
The J55 pipe industry market research report is a scientific method that collects, records, and collates market information and data on the casing industry in a targeted and systematic manner...
Because the terrain through which the pipeline is buried underground is very complex and susceptible to erosion by the soil, it is often difficult to detect damage to the pipeline. Can also be easily...
Compared with traditional plastic drain pipes and steel drain pipes, large-diameter plastic coated longitudinally submerged arc welding pipe have a qualitative leap. Spiral submerged arc welded steel...
What kind of pipeline is the city builders need? The quality must be excellent, it must be able to withstand high pressure, but also good maintenance. Can you imagine that because steel pipes cannot...
First.,choose the right venue and storeroom:(1) The site or warehouse where LSAW steel pipe are to be stored should be located in a clean, well-ventilated area away from factories and mines that...
1 What kinds of welding defects are common in welds? How are they formed?A: Common defects in welds are pores, slag inclusions, incomplete penetration, unfused and cracks.1) Porosity of the lsaw steel...
Spiral steel pipe before the factory should do mechanical testing and flattening test and flaring test, and to meet the standard requirements. The quality inspection method of ssaw steel pipe is as...
1. ERW steel pipe has gradually gained market recognition due to its low cost and high efficiency, and its production equipment and production process technology have been rapidly developed. Nippon...
Insulation ssaw steel pipe has superior personality such as light weight, high strength, heat insulation, sound insulation, flame retardant, cold resistance, anti-corrosion, non-absorption, and...
Tantalum powder in high vacuum and high temperature re-coagulation into new particles in the process. This is an important step in the production of capacitive grade tantalum powder. The process can...
Pickling passivation impregnation method of seamless pipe. Stainless steel pipelines, elbows, small pieces, etc. The most suitable method. And the best treatment. Because the treatment can be fully...
In the rolling of carbon steel pipe, especially in the production process of precision seamless steel tubes, how does the acid pickling process proceed? Today, the mysterious veil is unveiled for...
Generally, the main feature of ordinary cold drawn seamless steel pipe is that it has no welded joint and can withstand large pressure. The product can be a very rough cast or cold-draw. Precision...
ERW pipe due to the internal residual part of the rebar bending moment (residual bending moment or residual bending moment) caused by residual stress on the service performance of erw pipe has a...
Author Bio
A worker from a steel pipe company, which is located in China.