# # SAE8822 Thru Carburized simulated Case HRc= 62 100%Martensite # Material cyclically hardens to mostly elastic condition. # Timken Ht.92356 ElecFurn. ConCast(279x375mm) HotRolled to 66.7mm bar, # Spec. machined, then Carburized (ground?) and polished. # Chem.: 0.21C .90Mn .01P .013S .25Si .22Cu .42Ni .52Cr .35Mo 0V .01Sn # InclusionRating: Type A,B,C=0 TypeD=1 # Test: UoWaterloo, M.Khalil and T.Topper June2002 #FileType= strain_life #DataType= raw #Name= SAE8822 #Name= AisiIt_60 #Name= ThruCarburized #Stress_units= MPa #Strain_units= strain #Sy= 1965. (is max stress. did not reach 0.2% offset.) #Su= 1965. #eu= 0.011 strain at Su = fracture. #E= 202300 average of initial loading #monotonic_K= 4150.0 #monotonic_n= 0.119 #FractureStrain= 0.0105 #FractureStress= 1965. #%RA= 1.1 % #%Elongation= 1.05 % #MaterialForm= bar #FailureDef= 50% load drop #BHN= 625 #Hardness, Rockwell C= 62 #StrAmp 2Nf StsAmp So CalcPlasStr InitialModulus 0.00994 4 1911 0.0 0.00048 192000 #None 0.01015 4 1939 0.0 0.00055 191000 #None 0.0083 106 1630 0.0 0.00026 196000 #None 0.01012 164 1979 0.0 0.00032 196000 #None 0.0061 1110 1274 0.0 0.00000 209000 #None 0.0083 2258 1630 0.0 0.00026 196000 #None 0.0083 2970 1670 0.0 0.00004 201000 #None 0.0042 29708 822 0.0 0.00000 197000 #None 0.0061 34408 1188 0.0 0.00021 195000 #None 0.0036 38236 743 0.0 0.00000 204000 #None 0.0060 56640 1234 0.0 0.00000 206000 #None 0.00399 112948 800 0.0 0.00000 200000 #None 0.00329 141552 707 0.0 0.00000 215000 #None 0.00329 1697432 707 0.0 0.00000 215000 #None 0.00410 4739464 802 0.0 0.00000 195000 #None 0.00300 10000000 643 0.0 0.00000 215000 #Runout 0.00329 10000000 707 0.0 0.00000 215000 #Runout 0.00319 10000000 647 0.0 0.00000 203000 #Runout #Carbon, %= 0.21 #Manganese, %= 0.9 #Phosphorus, %= 0.01 #Sulfur, %= 0.013 #Silicon, %= 0.25 #Copper, %= 0.22 #Nickel, %= 0.42 #Chromium, %= 0.52 #Molybdenum, %= 0.35 #Vanadium, %= 0.00 #Tin, %= 0.010 #Here is the bottom part of the html graph/calc wrapper----------- # #