Getting to Know ASTM B16.5 Flanges in Industrial Settings Having worked quite a few years around industrial pipelines and equipment, I can say that the ASTM B16.5 standard is almost like a language of its own among engineers and fabricators. When someone mentions ASTM B16.5, I picture those familiar forged steel flanges lining piping systems across countless plants. It’s straightforward but rich in detail: ASTM B16.5 essentially governs the dimensions, materials, pressure-temperature ratings, and testing of pipe flanges and flanged fittings designed to work in pipelines. But what makes it more…