what does the 70 in the aws code er70s-6 represent_aws e7018 h4r

The use of Argon-Arc Welding Wire has been found to provide superior results compared to other types of welding wires in many applications. It produces higher quality welds due to its ability to control heat better than some other types. Additionally, it also increases productivity by reducing the time needed for each weld joint since fewer passes are required when using this type of wire compared with conventional methods. Furthermore, the use of Argon-Arc Welding Wire helps reduce distortion in the finished product because it allows for more precise temperature control during the welding process.