# AISI 20MoCr4 steel Simul. Carbur.Case (Atmosphere) HRc= 59 # Periodic Overload test. # Axial spec. from 30mm bar, Martensite= 100 % # Original Chem. Gerdau H-M11652: 0.21C .75Mn .011P .026S .30Si .19Cu # .09Ni .48Cr .44Mo .005V .002Co .028Al .0008Ca .008Sn 98ppmN # Gerdau H-M11652 Elec Furn. VacDegas LadleRefined, ConCast 152x152mm # Tested by Rania Al-Hammoudat UWaterloo 2013 #FileType= strain_life #DataType= raw #Name= 20MoCr4 #Name= AisiIt138 #Name= Simul.Case.POL #stress_units= MPa #strain_units= strain #Sy= 1265.0 #Su= 1394.0 #eu= 0.009 strain at ultimate #E= 221000 #monotonic_K= 5818.0 #monotonic_n= 0.245 #MaterialForm= bar #FailureDef= 50% load drop #trueFractureStress= 1394 (same as ultimate) #trueFractureStrain= 0.009 #%RA= 0. #BHN= 634 from Rockwell C= 59 #StrAmp 2Nf StsAmp So PlsStrAm Ini.Emod 0.005830 86 1405 0.0 0.000 221000 0.005780 112 1311 0.0 0.000 221000 0.006080 424 1316 0.0 0.000150 221000 0.004940 582 1085 0.0 0.000050 221000 0.004940 1194 1113 0.0 0.0000 221000 0.004940 4468 1080 0.0 0.000070 221000 0.003190 5608 683 0.0 0.000110 221000 #Data above is from Const. Ampl #Data below is from periodic overload tests 0.0023 40822 510.3 0 0 221000 0.00184 35862 408.2 0 0 221000 0.00138 25014 306.2 0 0 221000 0.00092 81658 204.1 0 0 221000 0.00069 2356 153.1 0 0 221000 0.00069 184192 153.1 0 0 221000 0.00046 24307298 102.1 0 0 221000 0.00058 6660086 127.6 0 0 221000 0.00058 4715426 127.6 0 0 221000 0.00046 21141860 102.1 0 0 221000 # #