Re: Question about welding -- The Welding Forum

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Subject: Re: Question about welding

Author:
german

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Date Posted: 19:14:33 10/07/02 Mon
In reply to: dragracer 's message, "Question about welding" on 21:30:43 08/22/02 Thu

Quality Control

1. Why are sample welds subjected to impact testing?
2. What may be done by the Canadian Welding Bureu if there is reason to doubt a welder`s ability to perform?
3. With respect CSA Standards in what position(s) must a welder tested in order to quality?
4. What is the size of a tack weld for 12 mm(1/2in) plate?
Metric; 6 , 9, 12, 20�..Imterial;1/4, 3/8, �, 7/8�

5. In figure 23, what is the meaning of the dimension on the welding symbol?

6. Surfacing weld symbol indicating built-up surface//size-(height of deposit), omission indicates no specific height desired //orientation, location and all dimensions other than size are shown on the drawing //
7. When watching arc welding being done what form of eye protection is required?

8. Why would a multi pass weld normally be stronger than a single pass weld?
9. Which is the best testing method to detect defects on ferrous metals?
10. What is determined by performing etching on welds?

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