Fabrication & Quality

Popping Test

The Popping Test or Pop Test is a set pressure test of Pressure Relief Valve (PRV). It is done by compressing air into the inlet of PRV until the valve…

Q235 Steel

Q235 is low-carbon structural steel often used in China. This article will discuss Q235 steel, properties, equivalent grades, and applications. Q235 Steel “Q” is the first character of the Chinese…

118-Degree Angle

Drills are available with a variety of point angles. The two most common drill bit angles are 118 degrees and 135 degrees. In this article, you will learn why a…

Mechanical Joint vs. Flange

Determining when to use a mechanical joint vs. a flange is an essential consideration for piping engineers. In this article, you’ll learn the fundamentals of a mechanical joint connection, the…

Is Tungsten Magnetic?

Is tungsten magnetic? Yes, tungsten is partially magnetic or paramagnetic because of unpaired electrons and the realignment of those electron paths due to an external magnetic field. Therefore, tungsten registers…