Question: When it comes to performing UT testing on CJP welds over 5/16" thick on pipe splices or pipe to base plates or even T,K,Y, everyone I have ever met has always stated when the pipe is under 24" conventional calibration and test methods are out the window and calibration standards must...
Ohhh ok I see yeah listed in the F groups is the designation, also after looking at the 5,6, or 8 at the end of the classification. Anything in F group F4 or ending with a 5,6,8 is a LH electrode. thanks Guys!!
Im studying for the CWI exam for my retest I failed the code book portion for the exam. One thing that I am stumped on is low hydrogen electrode designation. Heres where im stuck. The question reads: What is the minimum preheat temperature for welding a 1 inch thick ASTM A36 plate with an E7018...