Welding of Advanced High Strength Steel (AHSS)

Dear Colleagues,

To build large steel structures with reduced self-weight, the use of high-strength steel is necessary. Also in the transportation industry, such as for automotive production, decreasing of self-weight is mandatory for reducing fuel consumption. To achieve effective weight reduction, higher strength steels with smaller wall thicknesses have recently been coming into more frequent use. Therefore, steel manufacturers are producing higher and higher strength steels types, e.g., thermomechanically processed quenched and tempered (Q&T) high-strength structural steels, dual and complex phase (DP and CP) steels, transformation- and twinning-induced plasticity (TRIP and TWIP) steels, and martensitic steel grades reaching near 2000 MPa in ultimate tensile strength. Also, the needs of the chemical industry have inspired steel manufacturers to develop high-strength corrosion resistance steel grades, such as duplex (DSS), martensitic, precipitation-hardened (PH), and nitrogen-alloyed austenitic stainless steels.

The best joint efficiency for steels can be achieved by welding processes, but the determination of the proper welding technology for newly developed high-strength steel grades is challenging for welding engineers. Therefore, original research papers are invited in the field of welding with advanced high-strength steel (AHSS)—preferably above 800 MPa in ultimate tensile strength.

We welcome papers covering novel and also conventional welding technologies which address specific problems in the welding of AHSSs in order to support further industrial application. Research regarding newly developed welding techniques for AHSS grades is also of interest, with an emphasis on possible industrial uses.

Dr. Kornél Májlinger
Guest Editor

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