10 Years Later..., page-43

If high-strength V-containing steel is used, the weight of the metal structure can be reduced by 40%–50%, while the cost is 15%–30% lower than that of ordinary structural steel. Adding vanadium to steel can also improve its welding performance.

Someone Somewhere, wrote a book (December 2, 2020 release)
https://www.sciencedirect.com/book/9780128188989/vanadium

Quite a book in fact :
Chapter 2 - Vanadium and its compounds
Chapter 3 - Vanadium mineral resources
Chapter 4 - Extraction of vanadium from titanoferrous magnetite: mineral processing and enrichment methods
Chapter 5 - Extraction of vanadium from V-bearing titanoferrous magnetite by smelting to produce V-containing iron
Chapter 6 - Extraction of vanadium from V-containing titanoferrous magnetite: enrichment of vanadium slag
Chapter 7 - Extraction of vanadium from V-containing titanoferrous magnetite: extraction of V2O5 from vanadium slag
Chapter 8 - Extracting vanadium from shale
Chapter 9 - Extracting vanadium pentoxide from minerals and composite materials containing vanadium
Chapter 10 - Ferrovanadium
Chapter 11 - Applications of vanadium in the steel industry
Chapter 12 - Vanadium metal
Chapter 13 - Characteristics and technical quality standards of main vanadium products
Chapter 14 - Vanadium series products and functional materials
Chapter 15 - Vanadium catalysts
Chapter 16 - Vanadium batteries
Chapter 17 - Vanadium carbonitride and vanadium–aluminum alloy
Chapter 18 - Development of the vanadium industry

Editors
Baoxiang Yang
Jinyong He
Guifang Zhang
Jike Guo

https://www.amazon.com.au/Vanadium-Manufacturing-Applications-Baoxiang-Yang-ebook/dp/B08PRXK9WF