# # SAE4140 Rc41.5 Induction Hardened from ConCast 30mm bar # MacSteel Heat M14218 Elec.Furnace, Con.Cast # Final 15% Bainite, 85% Martensite, HRc=41.5 # Inclusions: TypeA(sulfide) 4.0 Thin # Test: F.Yin UoToledo #FileType= strain_life #DataType= raw #Name= SAE4140 #Name= AisiIt_97 #Stress_units= MPa #Strain_units= strain #Sy= 1167.1 #Su= 1239.5 #E= 206500 #monotonic_K= 1459.7 #monotonic_n= 0.038 #FractureStrain= .64 #FractureStress= 1537 #%RA= 47.2 #MaterialForm= bar #FailureDef= 50% load drop # ? #BHN= 416.7 reported? probably wrong. #Hardness, Rockwell C= 41.5 #BHN= 385 #StrAmp 2Nf StsAmp So CalcPlasStr InitialModulus 0.0198 386 1093 -19.3 0.01450 209000 #IGL 0.0198 446 1053 -16.2 0.01471 210000 #IGL 0.0198 560 1037 -11.8 0.01482 204000 #IGL 0.0100 2418 931 -10.9 0.00550 212000 #IGL 0.0100 2558 931 -10.9 0.00544 209000 #IGL 0.0100 2666 912 -11.4 0.00557 209000 #IGL 0.0050 9138 830 2.8 0.00096 221000 #IGL 0.0049 13894 784 41.1 0.00110 209000 #IGL 0.0050 20422 796 -20.0 0.00113 205000 #IGL 0.0035 107678 715 9.3 0.00000 204000 #None 0.0035 144708 716 2.5 0.00000 0000 #IGL 0.0035 152582 736 113.3 0.00000 210000 #IGL 0.0032 176084 675 43.5 0.00000 207000 #IGL 0.0033 179576 676 0.0 0.00000 0000 #IGL 0.0033 223248 676 0.0 0.00000 0000 #IGL 0.0030 10000000 623 0.0 0.00000 0000 #Runout 0.0030 10000000 623 0.0 0.00000 206000 #Runout 0.0030 10000000 623 0.0 0.00000 0000 #Runout #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 #Vanadium, %= 0.01 #Aluminum, %= 0.010 #Here is the bottom part of the html graph/calc wrapper----------- # #