When it comes to testing and inspections, there are two main types used to assess a weld: destructive and non-destructive. Destructive testing pushes the weld to the point of failure via a variety of methods to assess properties such as compression, fatigue, and tensile. This form of testing is often used on a sample size of parts to assess the ability of a type of weld to meet or exceed a given set of specifications or requirements. As the name implies, destructive testing damages, alters, and often destroys the part and is, therefore, costly. Conversely, non-destructive testing does not damage or compromise the part and is a tool used to determine potential issues or flaws in a weld, and to establish the viability of a part while minimizing risk. NDT inspections can detect the presence of cracks, slag, or stresses caused by environmental conditions like humidity.