What is weld reinforcement?

Weld reinforcement refers specifically to the height of the weld cap or the additional material that may be deposited at the joint's surface. This aspect is critical because it can affect the strength, integrity, and overall performance of the weld. The emphasis on stricter limits for longitudinal joints reflects the engineering standards that dictate how much reinforcement is permissible to ensure the weld meets structural requirements and operates safely under the expected loads.

In the context of welding, maintaining appropriate reinforcement height can help to promote even load distribution and prevent weaknesses that could lead to failure during operation. Thus, the focus on weld cap height, particularly with respect to specific joint types, underlines the importance of adhering to industry standards to ensure quality and reliability in welded joints.