Which of the following is a characteristic of low hydrogen electrodes?

Low hydrogen electrodes are specifically designed to minimize the amount of hydrogen absorbed into the weld metal during the welding process. This characteristic is crucial because hydrogen can lead to cracking, particularly in high-strength steel welds. Therefore, the ability of low hydrogen electrodes to produce high tensile strength welds is tied directly to their low hydrogen content. This results in welds that not only have significant tensile strength but also can resist cracking, making these electrodes particularly beneficial for applications where strength and integrity are paramount.

While low hydrogen electrodes may be used in various applications, their primary advantage lies in producing quality welds with high tensile strength. The focus on tensile strength is especially important in demanding environments where weld performance can significantly affect the structure's overall durability and safety.

The other choices do not directly relate to the defining characteristics of low hydrogen electrodes. High tensile strength is a fundamental benefit, whereas the other aspects like usage primarily in pipe welding, suitability for all positions, and low slag formation are more variable or could be misleading when discussing this specific type of electrode.