This article explains three methods of measuring the depth of a steel sheet pile foundation.

J55 octg casing is a casing material used for oil drilling. The J55 in its name represents its tensile strength of 55,000 psi.

Large diameter welded pipe(such as stainless steel welded pipe) is a pipe product used to transport liquids, gases, solids and other substances, usually made of steel.

In the manufacturing process of welded pipes such as stainless steel welded pipes, welded nipple refers to the joint where two or more parts are combined by welding.

MIG and TIG welding have their own advantages and disadvantages for stainless steel welded tubes.

ERW welded tube (Electrical Resistance Welded Steel Pipe, referred to as ERW) is a hot-rolled coil formed by a forming machine.