Welding sequence

[sumon emam]

thanks for answer. but in a row all vertical joints should be welded sequentially? in our refinery we had seen that the vertical joints are welded 1,3,5...........manner. T-joints are welded later keeping almost 6 inches un-welded. Horizontal joints also done like vertical sequential manner. I want some reference in this regard. We weld from side not from center. Please make it clear.

[rigpig]

Hope this helps.....

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