#
# SAE1538MV As Forged from Crankshaft, AISI It.133, HRc=29 # Constant Ampl. tests, Axial specimens cut from Cranks. # From 5 Crankshafts From 5 Heats of steel. # Gerdau Heats 3M73212, 4M73828, 4M73833, 4M73835, 4M73836 # ElecFurn. VacDegas LadleRefined,Rotary Cast, 244mm Billet # HotRolled to 120mm bar, Forged into Crankshafts. # Chem.: 0.38wt%C 1.36Mn .009P .054S .54Si .16Cu .10Ni .15Cr .02Mo # .086V .002Nb .003Al .001Ti .0006Ca .0002B .009Sn 147ppm_N # 75%pearlite, 25%Ferrite # Inclusion Ratings: TypeA=3.0T 1.5H B=0.5T 0.0H C=0 D=1.0T 1.0H # Tested by Z.Lopez UoToledo, 2012 #FileType= strain_life #DataType= raw #Name= SAE1538MV #Name= Forged #Name= AisiIt.133 #Units= MPa #Sy= 627.9 #Su= 943.2 #E= 193500 #eu= 0.095 engr. strain at Su #monotonic_K= 1445.5 #monotonic_n= 0.145 #MaterialForm= bar #%RA= 36.4 % #%Elongation= 26.7 #TrueFractureStress= 1070 #TrueFractureStrain= 0.452 #Hardness, Brinell= 276.5 #BHN= 277 #StrAmpl 2Nf StsAmpl So PlsStrAmp initialEmod 0.019950 464 862 -7.1 0.015490 188000 #IGL 0.020040 498 857 -4.4 0.015600 190000 #IGL 0.010010 1472 752 -6.5 0.006120 209000 #IGL 0.009950 2124 721 -8.5 0.006220 186000 #IGL 0.005010 9892 644 -10.4 0.001670 185000 #IGL 0.005000 10732 648 1.1 0.001660 195000 #IGL 0.004990 14500 611 -8.4 0.001840 187000 #IGL 0.003500 28556 563 -37.3 0.000590 190000 #IGL 0.003490 34240 568 -5.0 0.000560 199000 #IGL 0.003500 44334 563 -23.8 0.000590 192000 #IGL 0.002500 192344 459 1.0 0.000130 192600 #IGL avrg Emod 0.002500 255404 458 1.3 0.000130 192600 #IGL 0.002500 447542 478 -97.6 0.000030 198000 #IGL 0.002000 1078788 390 1.6 0.000000 192600 #IGL 0.002000 1736708 389 0.1 0.000000 192600 #IGL 0.002000 2142424 390 0.0 0.000000 192600 #IGL 0.001750 10000000 336 -0.3 0.000000 192600 #Runout 0.001750 10000000 338 0.2 0.000000 192600 #Runout #Carbon, %= 0.38 #Manganese, %= 1.36 #Phosphorus, %= 0.009 #Sulfur, %= 0.054 #Silicon, %= 0.54 #Copper, %= 0.16 #Nickel, %= 0.10 #Chromium, %= 0.15 #Molybdenum, %= 0.02 #Vanadium, %= 0.086 #Columbium/Niobium, %= 0.0020 #Aluminum, %= 0.0030 #Titanium, %= 0.0010 #Calcium, %= 0.0006 #Boron, %= 0.0002 #Tin, %= 0.009 #Nitrogen, ppm= 147 # #