# # SAE9254 Quenched +Tempered HRc=51 100%Martensite # Material cyclically softens substantially. # BasicOxygen, LadleRefined, ConCast(300x600 bloom), HotRolled to 46mm bar # Stelco. Spec. machined, heat treated Aust. 1700F, Oil Quenched, # Temp 715F and then final polish. # Test: UoWaterloo, A.Rteil and T.Topper, Apr2006 #FileType= strain_life #DataType= raw #Name= SAE9254 #Name= Quench+Temp #Name= AisiIt_86 #Stress_units= MPa #Strain_units= strain #Sy= 1841.0 #Su= 2020.0 #E= 205700 #monotonic_K= 2511.0 #monotonic_n= 0.050 #FractureStrain= .71 #FractureStress= 3644. #%RA= 51. #MaterialForm= bar #FailureDef= 50% load drop #Hardness, Rockwell C= 51 #Bhn= 496. #StrAmp 2Nf StsAmp So CalcPlasStr InitialModulus 0.0100 2000 1430 0.0 0.00302 0000 #None 0.0099 2776 1446 0.0 0.00291 0000 #None 0.0100 3306 1413 0.0 0.00313 0000 #None 0.0070 8918 1276 0.0 0.00082 0000 #None 0.0070 9612 1282 0.0 0.00073 0000 #None 0.0070 11420 1271 0.0 0.00079 0000 #None 0.0050 39922 991 0.0 0.00018 0000 #None 0.0050 82100 982 0.0 0.00020 0000 #None 0.0050 96590 977 0.0 0.00023 0000 #None 0.0040 108346 802 0.0 0.00010 0000 #None 0.0040 131328 786 0.0 0.00018 0000 #None 0.00399 1124120 781 0.0 0.00020 0000 #None 0.00374 2844570 778 0.0 0.00000 0000 #None 0.00375 3130654 758 0.0 0.00007 0000 #None 0.00349 10000000 715 0.0 0.00002 0000 #Runout 0.00376 10000000 761 0.0 0.00006 0000 #Runout 0.00350 10000000 698 0.0 0.00011 0000 #Runout 0.00351 10000000 713 0.0 0.00005 0000 #Runout #Basic Oxygen= True #Electric Furnace= False #Vacuum Degas= False #Ladle Refined= True #Ingot Cast= False #Continuous Cast= True #Martensite, %= 100 #Carbon, %= 0.57 #Manganese, %= 0.71 #Phosphorus, %= 0.011 #Sulfur, %= 0.009 #Silicon, %= 1.57 #Copper, %= 0.01 #Nickel, %= 0.01 #Chromium, %= 0.72 #Molybdenum, %= 0.005 #Vanadium, %= 0.01 #Columbium/Niobium, %= 0.00 #Aluminum, %= 0.028 #Titanium, %= 0 #Calcium, %= 0.00 #Zirconium, %= 0.000 #Boron, %= 0 #Nitrogen, ppm= 70 # #