... ingot 4.ut:sep1921-84D/d 5.loose packing Chemical compostion:C:0.17/0.23; Si:0.40max ... (Normalized / Annealed / Quenched / tempered), Rough machining5.Technical Data: Chemical Composition, Physical Properties and Mechanical Testing according to the customer's ... 34CrNiMo6,SAE4130,SAE4340,18CrNiMo7-6,39CrNiMo3,SAE4140,17CrNiMo6,38CrMoAl,SCM440,SCM415,SCM420,SNCM439,S26C;21CrMoV511,56NiCrMoV7,ST52-3; ...