Armpre Machinery Blog

NPS vs NPT: Understanding the Differences and Applications Introduction To have proper functioning in threaded pipe systems and ensure compatibility, there is always a need to know the different types of threads that are used. Some of the popular threads include NPS (National Pipe Straight) and NPT (National Pipe Tapered). While their external appearance resembles […]

Find The Most Accurate Steel Pipe Sizing Chart Introduction The steel pipe size chart is a very useful tool for understanding the different dimensions of steel pipes, such as outer diameter, wall thickness, and inner diameter. This helps professionals and engineers select the right pipe for a specific project, ensuring that it will be compatible with […]

Coarse Thread vs Fine Thread, What’s The Diffirent? Introduction Threads in fastening systems ensure robust connections in mechanical, construction, or industrial applications. You then need to decide between ‘coarse thread’ and ‘fine thread’; both have their characteristics and advantages. A coarse thread is commonly used for fast assembly and high durability, while a fine thread […]

Long Radius vs Short Radius Elbow,How Much Do You Know? Introduction The “long radius elbow” and “short radius elbow” belong to the family of pipe fittings, which are used in piping systems to connect straight pipe pieces and adapt to different sizes or angles. The main difference that sets “long radius elbow” and “short radius elbow” apart […]

About Round Pipe Weight Chart，You Would Better to Know Introduction Round pipe weight calculation is vital to the transit, fabrication, and construction processes. Knowing how to do this through the Round Pipe Weight Chart is an accurate way of estimating weight based on diameter, thickness, and metal type. When you are working with steel, aluminum, or […]

Imperial vs Metric，What is the Distinction Between Them? Introduction: Two extensive measurement standards operated worldwide receive comparison through Imperial and Metric systems. Typically used around the world stands the Metric system which utilizes multiples of ten due to its easy comprehension and predictable nature. The United States together with certain other nations continues utilizing the Imperial […]

Your Guide to Mastering Sheet Metal Fabrication and Growing Your Business Introduction Sheet metal is a vital raw material in various industrial fields: construction, automotive, aerospace, and manufacturing. Although definitionally a transformation of raw metal sheets into functional products, sheet metal fabrication helps industries create custom parts production or meet large-scale industrial needs. Knowledge of […]

Countersink VS Counterbore: Applications, Differences, And Choosing The Right Fit Introduction Ever wondered why some screws sit perfectly flush with the surface while others are recessed into the material? This precision isn’t magic-it’s the work of either countersinking or counterboring. These techniques ensure fasteners don’t just hold things together but also do so with style […]