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AISI 1040
ConditionsHardness
T (°C)TreatmentMethodValue
25 annealed at 790°C   HB 149 
25 normalized at 900°C   HB 170 
25 oil quenched, fine grained, tempered at 205°C   HB 262 
25 oil quenched, fine grained, tempered at 315°C   HB 255 
25 oil quenched, fine grained, tempered at 425°C   HB 241 
25 oil quenched, fine grained, tempered at 540°C   HB 212 
25 oil quenched, fine grained, tempered at 650°C   HB 192 
25 rolled   HB 201 
25 water quenched, fine grained, tempered at 205°C   HB 514 
25 water quenched, fine grained, tempered at 315°C   HB 444 
25 water quenched, fine grained, tempered at 425°C   HB 352 
25 water quenched, fine grained, tempered at 540°C   HB 269 
25 water quenched, fine grained, tempered at 650°C   HB 201 
Glossary