# AISI 20MoCr4 steel Q+T Simul. Carbur.Core (Atmosphere) AISI Iter 135 HRc= 35 # Axial Spec., Constant Ampl. tests # Bainite= 10% Martensite= 85% Ferrite= 5% 30mm bar # 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 # Tested at UWaterloo #FileType= strain_life #DataType= raw #Name= 20MoCr4 #Name= AISIiter135 #Name= SimulCarb.Core #stress_units= MPa #strain_units= strain #Sy= 837.0 #Su= 987.0 #E= 200000 mpa #eu= 0.05 engr. strain at Su (poor graph) #monotonic_K= 1292.0 #monotonic_n= 0.070 #MaterialForm= bar #TrueFractureStress= 1346 #TrueFractureStrain= 0.71 #%RA= 51. #%Elongation= 26 (0.3 inch) #BHN= 327 from Rockwell C= 35 #TotStrAmpl 2Nf StsAmpl So PlasStrAmpl ElasModulus 0.020250 170 898 0.0 0.015715 200000 #None 0.020900 286 860 0.0 0.016630 200000 #None 0.010293 1860 790 0.0 0.006344 200000 #None 0.010000 2272 717 0.0 0.006418 200000 #None 0.010179 2540 761 0.0 0.006374 200000 #None 0.007079 4906 724 0.0 0.003457 200000 #None 0.007246 6808 702 0.0 0.003735 200000 #None 0.005100 17800 656 0.0 0.001820 200000 #None 0.005022 29042 640 0.0 0.001824 200000 #None 0.004472 50228 618 0.0 0.001384 200000 #None 0.004375 69292 583 0.0 0.001458 200000 #None 0.003965 153090 598 0.0 0.000973 200000 #None 0.003618 2003292 561 0.0 0.000811 200000 #None 0.003281 3374666 608 0.0 0.000241 200000 #None 0.003176 7959346 516 0.0 0.000598 200000 #None 0.002586 8843216 460 0.0 0.000284 200000 #None 0.003215 10000000 608 0.0 0.000174 200000 #Runout 0.003118 10000000 538 0.0 0.000429 200000 #Runout 0.002680 10000000 466 0.0 0.000349 200000 #Runout 0.002606 10000000 471 0.0 0.000249 200000 #Runout # #