welding-alloys.com 5 Welding Direction In high-velocity applications involving fine abrasive particles, such as fan blades, fan casings, and pneumatic transport piping, the welding direction should be oriented perpendicular to the flow of abrasive material. This configuration minimises erosive wear, which is caused by the impact of particles against surfaces, leading to material removal through repeated deformation and cutting actions. Conversely, aligning the welds parallel to the flow can result in preferential wear Welding Direction Direction of material flow in high speed fine particle applications. Direction of plate installation in lower-lying areas, such as the valleys between weld beads, due to the natural tendency of particles to follow paths of least resistance. This phenomenon is particularly pronounced when handling smaller particles, like sand and dust, which can more easily navigate into these depressions and exacerbate wear. Therefore, careful consideration of welding orientation is essential to enhance the durability and performance of components exposed to abrasive flows. Back to contents page
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