The flattening test of ERW welded pipes can effectively and quickly uate the quality of welds and raw materials.

ASTM black steel pipe refers to a black steel pipe that conforms to the ASTM (American Society for Testing and Materials) standards.

MS ERW pipe full form is mild steel electric resistance welded pipe. It refers to a steel pipe produced from low carbon steel billet through resistance welding.

ERW pipe for fire fighting refer to a steel pipe made by resistance welding and used in the fire fighting field.

Steel casing pipe grouting is a commonly used geological engineering construction method and is widely used in tunnels, bridges, water conservancy projects, drilling and other fields. Its main function is to reinforce and seal underground cavities and cracks to prevent geological disasters.

Connection methods of welded steel tubing include threaded connection, flange connection, welding and groove clamp connection.