0 0 votes Which of the following heat treatment processes is/are used for surface hardening of steels? Carburizing Cyaniding Annealing Carbonitriding Engineering Materials gateme-2022-set1 multiple-selects materials-manufacturing-and-industrial-engineering engineering-materials + – ♦Arjun 345 views answer comment Share Follow Add Sync Questions 0 reply Please log in or register to add a comment.