# # SAE4140 Rc=41.7 Source: ElecFurnace ConCast HRbar 29.8mm # Induction Hardened samples. 10%Bainite 90%Martensite # Inclusions: TypeA=1.5Thin TypeD=1.5Thin # Test: UoToledo #FileType= strain_life #DataType= raw #Name= SAE4140 #Name= AisiIt_96 #Stress_units= MPa #Strain_units= strain #Sy= 1157.5 #Su= 1247.8 #E= 208000. (average) #Reported as 202500 #monotonic_K= 1498.5 #monotonic_n= 0.044 #FractureStrain= 0.646 #FractureStress= 1311. #%RA= 47.5 #MaterialForm= bar #FailureDef= 50% load drop #BHN= 388 #Original reported as BHN= 409.3 (wrong?) #Hardness, Rockwell C= 41.7 #StrAmp 2Nf StsAmp So CalcPlasStr InitialModulus 0.0199 210 1112 -18.5 0.01438 209000 #IGL 0.0198 546 1071 -21.2 0.01454 205000 #IGL 0.0199 554 1060 -15.6 0.01462 212000 #IGL 0.0100 2338 942 -11.0 0.00538 209000 #IGL 0.0100 2916 925 -10.3 0.00542 203000 #IGL 0.0100 2952 929 -10.5 0.00542 205000 #IGL 0.0049 13592 787 93.7 0.00104 210000 #IGL 0.0051 17664 815 8.7 0.00106 211000 #IGL 0.0050 20708 807 -12.8 0.00099 211000 #IGL 0.0033 142640 672 0.0 0.00000 0000 #IGL 0.0035 149734 724 0.0 0.00000 0000 #IGL 0.0035 183468 742 57.8 0.00000 211000 #IGL 0.0035 289798 726 58.6 0.00000 207000 #IGL 0.0033 315010 679 6.6 0.00000 209000 #IGL 0.0033 850728 670 18.7 0.00000 206000 #IGL 0.0030 10000000 621 0.0 0.00000 0000 #Runout 0.0030 10000000 621 0.0 0.00000 0000 #Runout 0.0030 10000000 621 42.7 0.00000 206000 #Runout #Basic Oxygen= False #Electric Furnace= True #Vacuum Degas= False #Ladle Refined= False #Ingot Cast= False #Continuous Cast= True #Bainite, %= 10 #Martensite, %= 90 #Carbon, %= 0.41 #Manganese, %= 0.92 #Phosphorus, %= 0.013 #Sulfur, %= 0.015 #Silicon, %= 0.28 #Copper, %= 0.20 #Nickel, %= 0.15 #Chromium, %= 1 #Molybdenum, %= 0.22 #Vanadium, %= 0.01 #Aluminum, %= 0.037 # #