Joining

The unique physical characteristics of Advanced High Strength Steels (AHSS) present some challenges to welding and bonding processes. AHSS differ from mild steels by chemical composition and microstructure, and it’s important to note that their microstructures will change from welding operations. When joining AHSS, production process control is important for successful assembly. Manufacturers with highly developed joining control methodology will experience no major change in their operations, while others may require additional checks and maintenance. This section, authored and edited by Menachem Kimchi, M.Sc., Ohio State University, introduces joining processes that are applicable to High-Strength Steel automotive applications, while describing unique process attributes.

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