# # SAE4140 Rc=49 ElecFurn, VacDegas, LadleRefined, ConCast152x152mm, # Normalized, Forged 2150 reduced 83%, Quench from 1550F into # 150F Oil, Tempered 500F, 100%Martensite, # Inclusions TypeA-0.5T,0H, TypeBC=0, TypeD(glob)=1T0.5H # Test: UoToledo #FileType= strain_life #DataType= raw #Name= SAE4140 #Name= AisiIt_77 #Stress_units= MPa #Strain_units= strain #Sy= 1602.0 #Su= 1679.9 #E= 203000 (average of 7) TensTest=E=205300 #monotonic_K= 2599.7 #monotonic_n= 0.077 #FractureStrain= 0.013 #FractureStress= 1702. #%RA= 1.5 #MaterialForm= bar #FailureDef= 50% load drop #BHN= 460 #reported as 477 #Hardness, Rockwell C= 49 #StrAmp 2Nf StsAmp So CalcPlasStr InitialModulus 0.0099 30 1559 -45.7 0.00232 201000 #IGL 0.0099 70 1543 -43.1 0.00239 201000 #IGL 0.0065 190 1256 -13.8 0.00035 204000 #IGL 0.0065 258 1262 -17.3 0.00033 203000 #IGL 0.0065 648 1243 -48.2 0.00043 206000 #IGL 0.0050 1478 986 0.0 0.00000 0000 #IGL 0.0050 1884 986 0.0 0.00000 0000 #OGIT 0.0050 1970 986 0.0 0.00000 201000 #IGL 0.0050 2414 986 0.0 0.00000 0000 #IGL 0.0039 7446 773 0.0 0.00000 0000 #IGL 0.0039 9500 773 0.0 0.00000 0000 #OGIT 0.0039 20146 773 0.0 0.00000 0000 #IGL 0.0028 20662 552 0.0 0.00000 0000 #IGL 0.0028 22906 552 0.0 0.00000 0000 #IGL 0.0025 25400 502 0.0 0.00000 0000 #IGL 0.0028 27406 552 0.0 0.00000 0000 #IGL 0.0028 98864 552 0.0 0.00000 0000 #IGL 0.0025 424380 502 0.0 0.00000 0000 #IGL 0.0020 10000000 401 0.0 0.00000 0000 #Runout 0.0023 10000000 452 0.0 0.00000 0000 #Runout 0.0023 10000000 452 0.0 0.00000 0000 #Runout #Basic Oxygen= False #Electric Furnace= True #Vacuum Degas= True #Ladle Refined= True #Ingot Cast= False #Continuous Cast= True #Martensite, %= 100 #Carbon, %= 0.4 #Manganese, %= 0.85 #Phosphorus, %= 0.013 #Sulfur, %= 0.077 #Silicon, %= 0.28 #Copper, %= 0.23 #Nickel, %= 0.15 #Chromium, %= 0.99 #Molybdenum, %= 0.21 #Aluminum, %= 0.010 #Tin, %= 0.009 # #