Welding Fabrication: A Pathway to High-Paying Careers in Philadelphia Welding fabrication is a multifaceted process involving cutting, bending, and assembling metal structures. In Philadelphia, this field offers lucrative opportunities, with welders earning an average salary of $60,363 per year.Institutions like the Philadelphia Technician Training Institute provide comprehensive programs that equip students with the necessary skills for success in this industry. https://ptt.edu/what-is-fabrication-in-welding/