Welding processes and equipment
Preheat, interpass and postheating
Preheat, interpass and postheating – interactive engineering module focused on welding preheat and interpass temperature. Learning format: Simulator · Calculator. Explains the principle, technical relationships and practical use.
SimulatorCalculator
Open interactive module →Topic overview
Engineering design of preheat, interpass temperature and postheating, including physical principles, equipment, risks and WPS/WPQR links.
The module links the metallurgical purpose, physical equipment principle, measurement method, metrological traceability and required production record.
Module contents
- Distinguishing preheat, maintenance temperature, interpass, postheat and PWHT
- Flame, resistance, induction, furnace and radiant heating
- CEV/CET/PCM, thickness, hydrogen, restraint and t8/5
- Interactive indicative risk model
- EN ISO 13916, ISO/TR 17671, ISO/TR 17844, ISO 15609 and ISO 15614
Educational content does not replace current standards, approved WPS/WPQR documentation or decisions by competent welding coordination personnel.
Related engineering terms
The module connects these terms with practical engineering explanations:
welding preheat and interpass temperatureinterpass temperatureEN 1011-2postheating
Continue with the practical module.
Open the card directly in the interactive WeldScope portal.