GMAW Electrode Review Solid Carbon Steel Electrodes (WDEQ23)The learner will define the classification terms of solid GMAW welding electrodes.Author  Jessica Lloyd 



Question 1: What is the AWS specification for carbon steel GMAW electrodes?
Answer 1: A5.18 Answer 2: D1.1 Answer 3: A5.20 Answer 4: CS5.18 Correct Answer: A5.18 



Question 2: Use the label provided to answer this question: What is the electrode diameter in inches?
Answer 1: .03 Answer 2: .044 Answer 3: .045 Answer 4: .035 Correct Answer: .035 



Question 3: Which electrode diameter is larger?
Answer 1: .045 Answer 2: .035 Correct Answer: .045 



Question 4: For the wire classification, what part tells you the wire is part of the electrical circuit?
Answer 1: E Answer 2: R Answer 3: 70 Answer 4: S Answer 5: 6 Correct Answer: E 



Question 5: What part of the classifcation tells you the minimum tensile strength?
Answer 1: E Answer 2: R Answer 3: 70 Answer 4: S Answer 5: 6 Correct Answer: 70 



Question 6: From the classification, how do you determine the actual rated tensile strength in pounds per square inch?
Answer 1: 70X 1000 = 70,000 PSI Answer 2: 70 is the strength in PSI Answer 3: 70 x 100= 7000 PSI Correct Answer: 70X 1000 = 70,000 PSI 



Question 7: What part of the classification tells you the wire is also available in filler rod form?
Answer 1: E Answer 2: R Answer 3: 70 Answer 4: S Answer 5: 6 Correct Answer: R 



Question 8: For what other welding process might you use a rod with the classification ER70S6?
Answer 1: GTAW Answer 2: SMAW Answer 3: FCAW Correct Answer: GTAW 



Question 9: Which electrode has greater strength capabilities?
Answer 1: ER70S6 Answer 2: ER80S6 Answer 3: They're the same Correct Answer: ER80S6 



Question 10: What part of the classification tells you the wire is solid?
Answer 1: E Answer 2: R Answer 3: 70 Answer 4: S Answer 5: 6 Correct Answer: S 



Question 11: There are two other types of electrodes represented by the letters T and C. These letters stand for:
Answer 1: T for tubular and C for consumable Answer 2: T for tubular and C for cored Answer 3: T for tubular and C for fluxcored Correct Answer: T for tubular and C for cored 



Question 12: What part of the classification tells you about cleaning and deoxidizing agents as well as electrode usability and the shielding gas requirements?
Answer 1: E Answer 2: R Answer 3: 70 Answer 4: S Answer 5: 6 Correct Answer: 6 


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