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Basic Welding Positions You Must Know

How do welders join metals in different positions? Understanding the basic welding positions—flat, vertical, horizontal, overhead, and fillet—is essential for anyone involved in welding. Each position presents unique challenges and techniques, impacting the quality and strength of the weld. In this article, you’ll learn about these fundamental positions and how they influence welding performance, ensuring you can tackle various welding tasks with confidence.

Last updated:
June 28, 2024
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Table Of Contents

1. Plate + plate welding position

Common plate + plate welding positions include flat welding, vertical welding, horizontal welding, overhead welding, and fillet welding as shown in Figures 2-37 to 2-41.

Figure 2-37 Flat welding
Figure 2-37 Flat welding
Figure 2-38 Vertical welding
Figure 2-38 Vertical welding
Figure 2-39 Horizontal welding
Figure 2-39 Horizontal welding
Figure 2-40 Overhead welding
Figure 2-40 Overhead welding
Figure 2-41 Fillet welding
Figure 2-41 Fillet welding

2. Pipe + Pipe Welding Positions

Common pipe + pipe welding positions include horizontal fixed welding, horizontal rotary welding, vertical fixed welding, and 45° fixed welding, as shown in Figures 2-42 to 2-45.

Figure 2-42 Pipe + Pipe Horizontal Fixed Weld
Figure 2-42 Pipe + Pipe Horizontal Fixed Weld
Figure 2-43 Pipe + Pipe Horizontal Rotary Weld
Figure 2-43 Pipe + Pipe Horizontal Rotary Weld
Figure 2-44 Pipe + Pipe Vertical Fixed Weld
Figure 2-44 Pipe + Pipe Vertical Fixed Weld
Figure 2-45 Pipe + Pipe 45° Fixed Weld
Figure 2-45 Pipe + Pipe 45° Fixed Weld

3. Pipe + Plate Welding Positions

Common pipe + plate welding positions include vertical downward welding, vertical upward welding, horizontal fixed welding, and 45° fixed welding, as shown in Figures 2-46 to 2-49.

Figure 2-46 Pipe + Plate Vertical Downward Weld
Figure 2-46 Pipe + Plate Vertical Downward Weld
Figure 2-47 Pipe + Plate Vertical Upward Weld
Figure 2-47 Pipe + Plate Vertical Upward Weld
Figure 2-48 Tube + Plate Horizontal Fixed Welding
Figure 2-48 Tube + Plate Horizontal Fixed Welding
Figure 2-49 Tube + Plate 45° Fixed Welding
Figure 2-49 Tube + Plate 45° Fixed Welding
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