Browse Publications Technical Papers 2006-01-0089
2006-04-03

Considerations for Spot Welding of Advanced High Strength Steels 2006-01-0089

There has been a substantial increase in the use of advanced high strength steel in automotive structures in the last few years. The usage of these materials is projected to grow significantly in the next 5–10 years with new safety and fuel economy regulations. These new materials have significant manufacturing challenges, particularly for welding and stamping. Proper understanding of the weldability of these materials is critical for successful application in future vehicle programs. This paper presents our production experience in use of DP600. Development work on the effect of weld tips on button size, and shrinkage voids due to different welding variables is discussed. The paper also provides recommendations from the current experimental knowledge base for applications on higher grades of steel (DP780 and beyond).

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