What is a recommended filler metal for the following weld? The following information applies for Questions #21 through #26 A welder is being qualified on a groove weld in the horizontal position on 8schedule 80 using the SMAW process. The material being joined is API 5L grade X42 to API 5L grade X52.
A. E6010 B. E7010 C. E7018 D. A or b above E. B or c above
In joints involving base metals of different groups, either of the following filler metals may be used: (1) that which matches the higher strength base metal, or (2) that which matches the lower strength base
metal and produces a low-hydrogen deposit.