Which type of joint is commonly used in high-pressure applications due to its strength?

A welded joint is often the preferred choice for high-pressure applications primarily due to its ability to create a continuous and strong connection between two pieces of material. When metal is welded, the materials are melted and fused together, resulting in a joint that can be as strong as, or stronger than, the base materials being joined. This is particularly important in high-pressure systems where the integrity of the joint is critical to prevent leaks and failures.

Welded joints also provide a smooth interior surface, reducing the risk of turbulence and stress concentrations that could lead to failure. This is especially vital in systems that convey fluids under high pressure, where any imperfections in the joint could lead to catastrophic failures. The process of welding allows for the joining of different types of metals, enhancing versatility in design and application.

In contrast, other types of joints, such as screw, flanged, and threaded joints, may not provide the same level of strength or integrity under high-pressure conditions. These joints often rely on mechanical fastening methods that can be susceptible to loosening, fatigue, and potential leakage, making them less reliable than welded joints in such high-stress scenarios.