# # SAE4140 Specimens Quenched,Temp. 100% Martensite, HRc=41 # Timken ElecFurn. Ingot Cast HotRollBarStock=57mm # Chem.: 0.41%C .96Mn .009P .009S .23Si .20Cu .16Ni .99Cr .20Mo # .031Al .003Ti .0004B .009Sn 103ppm_N # TypeD=1.0_Inclusion Rating # Tested by A.A.Rteil UoWaterloo #FileType= strain_life #DataType= raw #Name= SAE4140 #Name= AisiIt_67 #Name= Quench+Temp. #Stress_units= MPa #Strain_units= strain #Sy= 1314.0 #Su= 1445.8 #E= 205000 #monotonic_K= 1782.2 #monotonic_n= 0.049 #FractureStrain= .70 #FractureStress= 1755. #%RA=52.1 #MaterialForm= bar #FailureDef= 50% load drop #Hardness, Rockwell C= 41 #BHN= 381 #StrAmp 2Nf StsAmp So CalcPlasStr InitialModulus 0.0102 1244 982 0.0 0.00536 203000 #None 0.0102 2484 982 0.0 0.00540 203000 #None 0.0100 2624 893 0.0 0.00567 204000 #None 0.0061 7982 817 0.0 0.00211 204000 #None 0.0061 8260 842 0.0 0.00201 205000 #None 0.0061 8440 856 0.0 0.00192 207000 #None 0.0050 28220 815 0.0 0.00100 205000 #None 0.0050 33340 818 0.0 0.00099 202000 #None 0.0050 36238 831 0.0 0.00092 208000 #None 0.0042 68680 831 0.0 0.00018 205000 #None 0.0042 99880 812 0.0 0.00026 205000 #None 0.0040 125444 811 0.0 0.00000 206000 #None 0.0042 149500 815 0.0 0.00026 204000 #None 0.0040 397680 803 0.0 0.00000 204000 #None 0.0035 1244762 706 0.0 0.00000 205000 #None 0.0030 10000000 610 0.0 0.00000 202000 #Runout 0.0040 10000000 791 0.0 0.00000 218000 #Runout 0.0035 10000000 705 0.0 0.00000 201000 #Runout 0.0035 10000000 710 0.0 0.00000 208000 #Runout 0.0030 10000000 617 0.0 0.00000 205000 #Runout 0.0030 10000000 604 0.0 0.00000 201000 #Runout #Martensite, %= 100 #Carbon, %= 0.41 #Manganese, %= 0.96 #Phosphorus, %= 0.009 #Sulfur, %= 0.009 #Silicon, %= 0.23 #Copper, %= 0.20 #Nickel, %= 0.16 #Chromium, %= 0.99 #Molybdenum, %= 0.2 #Vanadium, %= 0.00 #Columbium/Niobium, %= 0.00 #Aluminum, %= 0.031 #Lead, %= 0.000 #Titanium, %= 0.003 #Calcium, %= 0.00 #Cobalt, %= 0.000 #Zirconium, %= 0.000 #Boron, %= 0.0004 #Tin, %= 0.009 #Nitrogen, ppm= 103 # #