Which type of manipulation should be used when welding with electrodes 6010 and 6011?

When welding with electrodes 6010 and 6011, dragging movement is the appropriate technique. These specific electrodes, often used for root passes in pipe welding, perform best when a straight dragging motion is applied. This technique helps to produce a deep penetration and maintains a consistent arc length, which is essential for achieving the desired weld quality.

Dragging allows the welder to control the deposition of the filler material effectively, minimizing spatter and ensuring a strong bond between the base metals. It's particularly useful for these types of electrodes as they are designed to operate well with a more straightforward motion that matches their penetration capabilities.

Using other manipulation techniques, such as oscillation or weaving, may lead to inconsistent welds and can negatively impact the integrity of the joint. Oscillation tends to spread the heat and filler more widely, while weaving can increase the risk of defects due to variable coverage and penetration depths. Therefore, the best practice is a simple dragging method for optimal results when using 6010 and 6011 electrodes.