# # SAE4140 Quench+Temper HRc=42 # MacSteel: Elec.Furnace RotaryCast ColdSized 31.8mm bar # Chem: 0.42%C .83Mn .011P .021S .24Si .13Cu .25Ni .88Cr .19Mo # .01Nb .024Al .01Sn 90ppm_N # Inclusions: TypeD(globular)= 1.5, 100% Martensite. # Test: A.A.Rteil UWaterloo #FileType= strain_life #DataType= raw #Name= SAE4140 #Name= AisiIt_66 #Name= Quench+Temper #Stress_units= MPa #Strain_units= strain #Sy= 1330.0 #Su= 1537.0 #E= 204000 #monotonic_K= 2188.0 #monotonic_n= 0.080 #FractureStrain= .60 #FractureStress= 1705. #%RA= 42.1 #MaterialForm= bar #FailureDef= 50% load drop #Hardness, Rockwell C= 42 #BHN= 390 #StrAmp 2Nf StsAmp So CalcPlasStr InitialModulus 0.0112 1500 1034 0.0 0.00614 204000 #None 0.0100 1900 977 0.0 0.00518 205000 #None 0.0101 2000 954 0.0 0.00538 203000 #None 0.0062 7266 872 0.0 0.00191 203000 #None 0.0050 25580 856 0.0 0.00076 202000 #None 0.0050 29500 802 0.0 0.00102 201000 #None 0.0050 30388 836 0.0 0.00087 202000 #None 0.0040 76564 777 0.0 0.00000 203000 #None 0.0040 87960 795 0.0 0.00000 207000 #None 0.0040 123460 812 0.0 0.00000 207000 #None 0.0037 269776 755 0.0 0.00000 208000 #None 0.0037 306800 760 0.0 0.00000 198000 #None 0.0037 479232 749 0.0 0.00000 201000 #None 0.0035 527436 694 0.0 0.00000 204000 #None 0.0032 10000000 643 0.0 0.00000 203000 #Runout 0.0035 10000000 712 0.0 0.00000 205000 #Runout 0.0035 10000000 692 0.0 0.00000 203000 #Runout 0.0032 10000000 648 0.0 0.00000 208000 #Runout 0.0032 10000000 654 0.0 0.00000 206000 #Runout #Martensite, %= 100 #Carbon, %= 0.42 #Manganese, %= 0.83 #Phosphorus, %= 0.011 #Sulfur, %= 0.021 #Silicon, %= 0.24 #Copper, %= 0.13 #Nickel, %= 0.25 #Chromium, %= 0.88 #Molybdenum, %= 0.19 #Vanadium, %= 0.00 #Columbium/Niobium, %= 0.01 #Aluminum, %= 0.024 #Calcium, %= 0.00 #Tin, %= 0.010 #Nitrogen, ppm= 90 # #