The welded steel pipe is a kind of steel pipe which is welded with circular or square shape after bending deformation. The billet of welded steel pipe is steel plate or strip.

THINGS YOU NEED TO KNOW ABOUT BLACK STEEL PIPESWhat is black steel pipe?Black steel pipe is formed by iron oxide in the manufacturing process, so the surface color is black, known as black steel pipe.What is the use of black steel pipe?They are commonly used to transport natural gas and water, to pr

The characteristics of galvanized steel pipe:Both black and galvanized steel tubes are made of steel, but galvanized steel tubes have zinc coating, while black steel tubes do not.So it's a good distinction.How does galvanizing protect steel pipe?Galvanized steel pipe is a layer of galvanized protect

PIPELINE MAINTENANCE

SMLS pipe is produced by heating a round billet of steel and then piercing it with a bullet-shaped piercer, over which the steel is stretched. This is followed by rolling and drawing to produce the desired dimensions. The final product is hydrostatically tested, inspected, coated if required, and st