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Types of welding positions

Types of welding positions

Welds are categorized according to the positions of the welds during welding.

They can be classified into four welding positions:

  1. Flat: It is easiest and efficient type of weld to be performed. Let us suppose that we want to weld two plates. In this position the both plates and the axis of the weld are horizontal. This position is sometimes called downhand. For fillet weld it is named as 1F and for Groove weld it is named as 1G. In Flat position gravity draws molten metal downward in joint which makes the joint easy and quick.
  2. Horizontal: In this position the plates are vertical and the axis of the weld is horizontal. It is difficult than flat joint because the molten metal flow down to lower plate. It is named as 2G for groove weld and 2F for fillet weld.
  3. Vertical: In this position the plates and welds axis both are vertical. Positions are named as 3F and 3G for fillet weld and groove weld respectively.
  4. Overhead: Most difficult and complicated to be performed than the above said positions. It is named as 4G and 4F for groove and fillet weld. In this position the face of the weld is overhead.

 

Look at the table below which shows the transition points between welding positions (groove welds) for more clarity

Position Inclination of the Axis Rotation of the face
Flat 0 – 15 ° 150 -210 °
Horizontal 0 – 15 ° 80° -150°

210° – 280°

Vertical 15°-80°

80° – 90°

80° – 280°

0-360°

Overhead 0°-80° 0-80°

210°-360°

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Types of welding positions
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Types of welding positions Welds are categorized according to the positions of the welds during welding. They can be classified into four welding positions:
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Jobs4welding
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