Understanding Metal Pipes: 6 Common Steel Pipe Visit weldfabworld.com Types, Their Uses & Grades Steel pipes play a critical role across a wide range of industries - from construction and energy to oil & gas and marine infrastructure. Selecting the right steel pipe is not just about dimensions - the material grade and coating are just as vital. Here's a concise and practical guide to six major types of steel pipes, including their standard grades and common applications: 1 Carbon Steel Pipe Grad