Techniques for improving the resistance spot weldability of 1.6-2.0mm ultra-high strength steels for automotive applications

TWI Industrial Member Report Summary 819/2005

Steve Shi and Steve Westgate

Objectives

• To develop enhanced resistance spot welding schedules for UHS steel sheet in the thickness range 1.6-2.0mm.
• To test dissimilar material/gauge combinations on the weldability and joint performance of UHS steels.