45 steel (quenched and tempered after forging) non-metallic inclusions
45 Steel (Post Forging Heat Treatment) Nonmetallic Inclusions
Nonmetallic inclusions are small particles that are insoluble in molten steel. They are divided into two categories: organic nonmetallic inclusions and inorganic nonmetallic inclusions. Nonmetallic inclusions are composed of Cr, C, Al,......