The main raw material of stainless steel welded pipe is stainless steel plate and strip.

There are four differences between A513 and A500 rectangular tubing.

API 5CT OCTG casing is a hollow round pipe made of steel and specially treated to enhance its durability and reliability.

There is a close relationship between casing pressure and oil pressure.

The biggest difference between open-end and closed-end pipe pile is only one thing.

Casing pressure is the pressure exerted by the surface on the casing inside the well.