# # SAE4140 Rc=49 AISI Iter 98, 100%Martensite # ElecFurn. ConCast, Normalized 1650F, AsForged 2150F, 82.6% reduction # Incls.: TypeA=0.5T 0H TypeB,C=0, TypeD=1.0T 0.5M # Test: UoToledo #FileType= strain_life #DataType= raw #Name= SAE4140 #Name= Iter098 #Units= MPa #Sy= 1622.2 #Su= 1818.3 #E= 205800 (average of 10 obs) #monotonic_K= 2466.5 #monotonic_n= 0.065 #FractureStrain= .555 #FractureStress= 2017 #%RA= 42.6 #MaterialForm= bar #FailureDef= 50% load drop #BHN= 477 #may by 469 ? #Hardness, Rockwell C= 49 #TotStrAmp, 2Nf, StsAmp S0 CalPlStr, IniElModulus 0.0200 220 1583 -28.5 0.01228 205000 #IGL 0.0198 302 1572 -33.2 0.01212 211000 #IGL 0.0198 316 1563 -31.7 0.01220 199000 #IGL 0.0100 1808 1319 -37.0 0.00357 203000 #IGL 0.0098 1982 1314 9.0 0.00335 208000 #IGL 0.0100 2112 1327 -31.6 0.00353 207000 #IGL 0.0065 5212 1204 3.4 0.00062 207000 #IGL 0.0065 5452 1210 -13.6 0.00061 207000 #IGL 0.0061 6074 1172 10.5 0.00041 206000 #IGL 0.0050 19370 1034 0.0 0.00000 0 #IGL 0.0050 25206 1034 0.0 0.00000 0 #IGL 0.0050 34846 1011 0.0 0.00000 0 #IGL 0.0039 89700 796 0.0 0.00000 0 #IGL 0.0039 146186 796 0.0 0.00000 0 #IGL 0.0039 534292 796 0.0 0.00000 0 #IGL 0.0030 2009364 621 0.0 0.00000 0 #None 0.0030 2483532 621 0.0 0.00000 0 #None 0.0030 10000000 621 0.0 0.00000 0 #Runout 0.0030 10000000 621 0.0 0.00000 0 #Runout #Basic Oxygen= False #Electric Furnace= True #Vacuum Degas= False #Ladle Refined= False #Ingot Cast= False #Continuous Cast= True #Martensite, %= 100 #Carbon, %= 0.41 #Manganese, %= 0.87 #Phosphorus, %= 0.01 #Sulfur, %= 0.004 #Silicon, %= 0.24 #Copper, %= 0.10 #Nickel, %= 0.05 #Chromium, %= 0.9 #Molybdenum, %= 0.18 #Aluminum, %= 0.020 #Tin, %= 0.005 #Nitrogen, ppm= 58 # #