What does the term "weld reinforcement" refer to?

Weld reinforcement refers to the additional weld metal that is deposited above the joint. This is an important aspect of weld design and execution as it provides extra material that can improve the strength and integrity of the weld. When weld metal is added above the base material, it creates a more robust joint which can handle stress and strain during service. Ensuring adequate reinforcement helps meet performance requirements and can enhance resistance to fatigue and cracking. Proper weld reinforcement contributes to the overall quality of the weld and is a critical consideration during the welding process.