# AISI 20MnCr5 steel Q+T Simul.Carbur.Core (Section Controlled Cooling) HRc= 28 # Constant Ampl. Tests # Gerdau H-M28513 Elec Furn. VacDegas LadleRefined, ConCast 152x152mm # Hot rolled Control Cooled to 60.9mm bar, Axial spec. # Bainite= 10% Martensite= 50% Ferrite= 40% # Inclusion TypeA 1.5T 0.5H, TypeB 1.0T, 0.5H, TypeC 0T 0H, TypeD 1.0T 0.5H # Original Chem. Gerdau H-M28513: 0.20C 1.22Mn .008P .022S .23Si .18Cu # .09Ni 1.16Cr .05Mo .008V .003Co .029Al .0005Ca .0002B .009Sn 14ppmOxyg. # Tested by M.Yu UWaterloo 2011 #FileType= strain_life #DataType= raw #Name= 20MnCr5 #Name= AisiIt128 #Name= SimulCarbCore #Stress_units= mpa #Strain_units= strain #Sy= 695. #Su= 960. #eu= 0.06 strain at ultimate #E= 194100 #%RA= 50.7 #%Elongation= 13.8 over 0.3 inch G.L. #TrueFractureStrain= 0.746 #TrueFractureStress= 1696 #monotonic_K= 1477.0 #monotonic_n= 0.121 #FailureDef= 50% load drop #BHN= 265 from Rockwell C= 28 #StrAmp 2Nf StsAmp So PlsStrAmp Emod 0.021030 276 906 0.0 0.016340 194100 0.020730 420 848 0.0 0.016360 194100 0.020730 484 878 0.0 0.016210 194100 0.010450 2120 709 0.0 0.006820 194100 0.010550 2222 674 0.0 0.007080 194100 0.010690 2790 728 0.0 0.006940 194100 0.005040 18400 564 0.0 0.002130 194100 0.004980 18600 565 0.0 0.002080 194100 0.005060 20546 574 0.0 0.002110 194100 0.005080 26518 566 0.0 0.002160 194100 0.003560 84000 502 0.0 0.000970 194100 0.003480 105670 500 0.0 0.000900 194100 0.003570 127196 494 0.0 0.001020 194100 0.002410 309510 434 0.0 0.000180 194100 0.002420 334420 429 0.0 0.000220 194100 0.002440 1255722 421 0.0 0.000270 194100 0.002350 10000000 415 0.0 0.000210 194100 #Runout 0.002430 10000000 427 0.0 0.000230 194100 #Runout 0.002410 10000000 417 0.0 0.000270 194100 #Runout # #