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…
Fabrication & Quality
Sarah DeGuzman 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…
Stud Bolts – Types, Chart, and Anchor Applications
Stud bolts are essentially threaded bars that mainly connect flanges. When coupled with suitable nuts, stud bolts can also mechanically fasten any parts together. Drilling, pipeline, and even general industry…
Hex Nut – Function, Sizing, Markings, and Grades
A hex nut or hexagonal nut is a metal fastener with six sides. Because it appears to be the most exact shape to hold, this is one of the most…
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…
Trussed Tower – Overview, Applications, vs. Lattice Framework
Based on a triangular shape, a truss tower is a structure designed to support heavy loads. Steel truss towers provide the large majority of tower installs today. Many years ago…
Helical Spring Constant – Formula, K Factor, Parameters, and Applications
The helical spring constant, more commonly referred to as the k value, provides key information about a spring’s stiffness capacity. A greater k value is indicative of a greater restoration…
David Etukudo 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…
Torquing Bolts
With bolted joints, the most typical method of achieving fastener preload is to torque them. Torquing creates this load by applying rotational force to the head of a nut or…