# AISI 20MoCr4 steel Q+T Simul. Carbur.Core (Vacuum) HRc= 35 # Axial spec. from 30mm bar Constant Ampl test. # Bainite, %= 60 #Martensite, %= 30 #Ferrite, %= 10 # Original Chem. Gerdau H-M11652: 0.21C .75Mn .011P .026S .30Si .19Cu # .09Ni .48Cr .44Mo .005V .002Co .028Al .0008Ca .008Sn 98ppmNi # Gerdau H-M11652 Elec Furn. VacDegas LadleRefined, ConCast 152x152mm # Mean Stresses in tests indicate possible Retained Austenite(not measured) # Tested by Yikai Yin UMDearborn 2014 #FileType= strain_life #DataType= raw #Name= 20MoCr4 #Name= AisiIt139 #Name= Simul.Carb.Core #Stress_units= MPa #Strain_units= strain #Sy= 869.7 mpa #Su= 1288.3 #eu= 0.055 approx. engr. strain at Su #E= 206800 avg. of initial loading. Reported=208400 #%RA= 51.6 % #%Elongation= 34.1 % #monotonic_K= 1642.1 #monotonic_n= 0.062 #MaterialForm= bar #FailureDef= 50% load drop #BHN= 326 from Rockwell C= 35 #StrAmp 2Nf StsAmp So PlsStrAmp InitEmod 0.019910 448 1178 -39.0 0.014120 204000 #IGL 0.019970 544 993 -23.0 0.015180 207000 #IGL 0.009990 1874 977 -20.9 0.005290 208000 #IGL 0.009990 2198 847 -15.1 0.005870 205000 #IGL 0.005990 12038 731 -7.6 0.002460 207000 #IGL 0.005990 12044 830 -19.6 0.001980 207000 #IGL 0.003990 44118 653 -5.7 0.000870 209000 #IGL 0.004000 44612 702 -48.4 0.000630 208000 #IGL 0.002990 119972 583 -37.7 0.000190 205000 #IGL 0.003000 164256 583 -37.7 0.000190 205000 #IGL 0.002500 315348 520 15.2 0.000000 208000 #IGL 0.002000 10000000 401 31.1 0.000000 209000 #runout # #