welding procedure specification pdf

what is Welding Procedure Specification (WPS)?

Welding procedure specification (WPS) Some of the EPC activities that are critical in the oil and gas industry are welding. Welding is carried out when the EPC enters the third phase, ie Construction, for example when manufacturing pressure vessels, storage tanks, process piping, and pipelines. Welding is also often done at the time after the EPC project is finished or Plant has started up, for example when there is an improvement or when Turn around. Welding that is done when the plant is operational has a much greater hazard than when the EPC project. When the plant is operational, there[…]

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