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This document provides a welding procedure specification for welding carbon steel pipes for a gas field development project in single-V butt joints. It specifies the welding processes of gas tungsten arc welding and shielded metal arc welding using specific filler metals. Parameters like preheat temperature, interpass temperature, welding positions, currents, voltages, and gas mixtures are defined. Post weld heat treatment at 610±10°C for 1 hour per 25mm of thickness is also required.
- Author
- Ahmed Lepda
- Language
- EN