The welding problem of container, turn to God

Ask a question, there is no class a welding seam of the cryogenic vessel also need to do the welding test plate it? If you need to do, how to prepare the welding test board? Help seeking

2020-04-30 Reply

JangSuHongDa

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2017-01-06 09:57:32 Reply

一路向东

Personally think that if there are B types of welds to be done, because 150 have written, B class of the same class A. The welding test plate is prepared to refer to the welding standard NB/T47014-NB/T47016

2016-07-01 11:43:14 Reply