Twinning Induced Plasticity Steels are Austenitic phase steels with high manganese content in order for it to be stable in room temperature conditions, in the automotive industry they are used to improve safety factors in vehicles, the steel can glide and deform on Twins located in the microstructure of TWIP steels and have high strength which can be close to a tensile strength of 800MPa, it is also a very ductile material.
You can read more about the corrosion of TWIP steels and how chromium can induce passivity here…. https://doi.org/10.1016/j.apsusc.2020.145852

