Production dataTechnical Information 34. Chemical Component table of work materials Chemical Composition (%) Mechanical Property of Standard test block Tensile strengthothers Hardness Heat treatment of standard test block oil hardening air hardening normalizing air hardening Oil hardening Oil hardening tempering annealing annealing annealing annealing annealing annealing annealing annealing annealing annealing annealing annealing solution treatment annealing annealing normalizing solution treatment annealing, normalizing, or normalizing, tempering solution treatment annealing, normalizing, or normalizing, tempering Technical-104