What heat treatment do I need for AISI 4340 7/8 DIA inch steel bar-6 inches long to achieve a min 330 Hb and minimum yield strength of 166,000 psi?
What heat treatment do I need for AISI 4037 7/8 DIA inch steel bar-6 inches long to achieve a min 330 Hb.and minimum yield strength of 166,000 psi?