ERW Steel Pipe as the First Choice for Urban Gas Pipeline Network
Why is ERW steel pipe the first choice for urban gas pipeline network? The main advantages and disadvantages are:
(1) High strength (large carrying capacity);
(2) The wall thickness is uniform and lig...
Urban Gas Pipeline Network Using ERW Pipe and its Anti-corrosion Problems
Comparison of pipe materials used in urban gas pipeline network:
At present, the urban gas pipeline network mainly uses ERW pipes, cast iron pipes and polyethylene (PE) pipes. From the perspective of ...
Acceptance Standard of ERW Steel Pipe
How to accept the ERW pipe?
1. Product quality certification document requirements
1) Welded steel pipes should have factory quality certification documents
Including: product certificate, material ce...
How to Improve the Yield Rate of Oil Casing Plant?
In the process of rapid heat treatment of steel induction heating, horizontally inclined roller rotation mechanism. The inclination of the device of the roller is wide and the inclination of the devic...
How to Avoid the Surface Decarburization Problem of Q345B Seamless Steel Pipe
The atmosphere that causes decarburization on the surface of Q345B seamless steel tubes is mainly oxidizing gases such as oxygen, water vapor and carbon dioxide. When these oxidizing gases come into c...
ERW Steel Pipe Process Performance Inspection Standards
ERW pipe process performance inspection:
1. Bending test: Bending test should be carried out on steel tubes with an outer diameter less than or equal to 50mm. The bending angle is 90°, the bending rad...