Comprehensive fusion welding quality management, bevel angle schedules ($60^\circ$), filler metals (ER70S-6), and preheat calculations.
ZylForge Oil & Gas Fabrication Engine (`oil_gas_fabrication.py`) auto-generates WPS schedules specifying joint preparation, welding process (111 SMAW / 135 GMAW), interpass temperature limits, and volumetric NDT inspection criteria.