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AISI 1340
ConditionsHardness
T (°C)TreatmentMethodValue
25 annealed at 800°C   HB 207 
25 normalized at 870°C   HB 248 
25 oil quenched, fine grained, tempered at 205°C   HB 505 
25 oil quenched, fine grained, tempered at 315°C   HB 453 
25 oil quenched, fine grained, tempered at 425°C   HB 375 
25 oil quenched, fine grained, tempered at 540°C   HB 295 
25 oil quenched, fine grained, tempered at 650°C   HB 252 
Glossary