Question

identify the 1 in the aws classification for mild steel electrodes. hydrogen level in ml/100 g welding position minimum tensile strength in ksi indicates impact requirements electrode type of coating and current indicates requirements of absorbed moisture test e7018 - 1 h4r

Explanation:

In the AWS classification of mild - steel electrodes like E7018 - 1 H4R, the digit '1' in the E7018 indicates the welding position. Electrodes with '1' can be used in all positions (flat, horizontal, vertical, and overhead).

Answer:

B. Welding position