Center for Reliable Energy Systems

Pipeline Welding

Achieving adequate weld strength, toughness, and ductility is critical for successful SBD. Certain base metal (pipe material) properties are a critical part of the weld strain capacity, as they affect the metallurgical and mechanical properties of the weld region. For instance, the chemical composition of the base metal plays a critical role in the propensity of hydrogen cracking and HAZ softening. The selection of welding processes, welding consumables, and welding process control are critical to achieve the balanced profile of mechanical properties.

CRES believes the most cost-effective approach in SBD is the understanding the “trade-off” among often conflicting requirements. Our welding simulation and advanced computational approach allow us to play what-if scenarios among material specification, welding parameters, and design requirements.

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