#
# SAE4320 Q+T Simul. Carburized Core, AISI Iter.124 HRc= 38.6 # Axial Constant Ampl. tests # Gerdau Ht.M28431 ElecFurn. VacDegas ConCast Billet 152x152mm # HotRoll Control Cooled 15.2mm bar, Carburized temperature, quench+temper # 8%Bainite, 90%Martensite, 2%Ferrite # Original Chem.: 0.19wt%C .62Mn .007P .025S .24Si .16Cu 1.76Ni # 0.50Cr .25Mo .004V .002Nb .028Al .0005Pb .002Ti .01Cobalt .0001B # 0Zr .007Sn 15ppm_O 61ppm_N # Inclusion Rating: TypeA=1.0T 0.5H TypeB=1.0T 0.5H TypeC=0 TypeD=1.0T 0.5H # Tested by UoWaterloo 2011 #FileType= strain_life #DataType= raw #Name= SAE4320-QT #Name= AISIit.124 #Units= MPa #Sy= 867. #Su= 1238. #eu= 0.030 engr. strain at Su #E= 193600 #monotonic_K= 1538.0 #monotonic_n= 0.067 #TrueFractureStress= 2336. #TrueFractureStrain= 0.804 #%RA= 55.2 % #%Elongation= 11 % #Hardness, Rockwell C= 38.6 #BHN= 363 #StrAmpl 2Nf StsAmpl So PlsStrAmpl Emod 0.007980 3416 938 0.0 0.003110 193600 #None 0.008440 3464 954 0.0 0.003490 193600 #None 0.009740 3806 960 0.0 0.004750 193600 #None 0.008460 5188 960 0.0 0.003470 193600 #None 0.007600 5434 891 0.0 0.002970 193600 #None 0.006530 14280 873 0.0 0.002010 193600 #None 0.005960 14500 783 0.0 0.001910 193600 #None 0.005260 44124 836 0.0 0.000940 193600 #None 0.004800 46282 815 0.0 0.000580 193600 #None 0.004250 88200 751 0.0 0.000370 193600 #None 0.003870 259292 708 0.0 0.000210 193600 #None 0.003690 669658 678 0.0 0.000190 193600 #None 0.003880 1375764 717 0.0 0.000180 193600 #None 0.003580 1413586 674 0.0 0.000100 193600 #None 0.003520 2796824 683 0.0 0.000000 193600 #None 0.003390 7221420 637 0.0 0.000110 193600 #None 0.003280 9730874 621 0.0 0.000070 193600 #None 0.003140 20000000 586 0.0 0.000110 193600 #Runout 0.003260 20000000 615 0.0 0.000080 193600 #Runout #Carbon, %= 0.19 #Manganese, %= 0.62 #Phosphorus, %= 0.007 #Sulfur, %= 0.025 #Silicon, %= 0.24 #Copper, %= 0.16 #Nickel, %= 1.76 #Chromium, %= 0.50 #Molybdenum, %= 0.25 #Vanadium, %= 0.004 #Columbium/Niobium, %= 0.002 #Aluminum, %= 0.028 #Lead, %= 0.0005 #Titanium, %= 0.002 #Calcium, %= 0.0006 #Cobalt, %= 0.008 #Zirconium, %= 0.002 #Boron, %= 0.0001 #Tin, %= 0.0070 #Oxygen, ppm= 15 #Nitrogen, ppm= 61 # #