H-45

Citation:

H-45. Billur Metal Form, Hot Stamping Line Database, data through December 2020.

B-42

Citation:

B-42. E. Billur and T. Altan, “Challenges in forming advanced high strength steels,” in Proceedings of New Developments in Sheet Metal Forming Conference, Stuttgart, Germany, 2010. 

B-19

Citation:

B-19. E. Billur, “12 – Hot formed steels,” in Automotive Steels: Design, Metallurgy, Processing and Applications, R. Rana and S. B. Singh, Eds., Woodhead Publishing, 2017, pp. 387-411, elsevier.com/books/automotive-steels/rana/978-0-08-100638-2;