Can No. 20 pipe be used for the FeⅡ pipe in the welder’s examination?

2022-03-03View Original

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Regarding the pipe butt welding in the welder qualification test GTAW-FeⅡ-6G, is it possible to use a 20-number pipe as a substitute?

Reply #22022-03-03

No, date 20 falls under FeI; what you need to test for now is FeII. According to TSG6002, the standards for higher grades can cover those for lower grades, but the reverse is not possible. You can only purchase tubes of the FeII type

Reply #32022-03-04

20# is FeI; it cannot represent FeII.

Reply #42022-03-04

Of course not, 20# is FeI

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Can No. 20 pipe be used for the FeⅡ pipe in the welder’s examination?

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