# # SAE1038 Cold Sized, Bhn= 185, HRb=90, Stelco HRc=(8) # Cold Sized 19mm bar. Typical Shaft material. 50%Pearlite 50%Ferrite # Chem.: 0.40%C .80Mn .013P .024S .28Si .03Cu .01Ni .04Cr .01Mo # 0V 0Nb .030Al ASTM GrainSize: longit. 8 to 10 # Inclusions: TypeA=1.5Thin, TypeB=0.5Thin, TypeC=none TypeD=0.5Thin # Test: UoToledo, Apr1998, M.Roessle and A.Fatemi #FileType= strain_life #DataType= raw #Name= SAE1038 #Name= AisiIt_19 #Name= ColdSized #Stress_units= MPa #Strain_units= strain #Sy= 359.4 #Su= 651.6 #eu= 0.13 guesstimate engr. strain at Su #E= 213750 avg. of 20, initially reported=219000 #monotonic_K= 1186.4 #monotonic_n= 0.219 #LowerYield= 381.6 #UpperYield= 388.9 #FractureStrain= 0.76 #FractureStress= 1051. #%RA= 53 #%Elongation= 38% ovre 0.3inch gauge #MaterialForm= bar #FailureDef= 50% load drop #BHN= 185 #Hardness, Rockwell B= 90 #StrAmp 2Nf StsAmp So CalcPlasStr InitialModulus 0.0150 464 565 0.3 0.01245 218000 #IGL 0.0150 508 544 1.8 0.01255 218000 #IGL 0.0150 518 532 3.4 0.01260 218000 #OGIT 0.0100 1922 469 3.0 0.00787 217000 #IGL 0.0100 1940 484 1.3 0.00780 220000 #IGL 0.0100 2040 464 3.0 0.00788 201000 #IGL 0.0060 5774 423 4.9 0.00408 212000 #IGL 0.0060 6284 421 3.6 0.00408 214000 #IGL 0.0060 7654 424 3.6 0.00408 218000 #IGL 0.0035 34792 358 2.7 0.00187 211000 #IGL 0.0035 43300 353 6.1 0.00190 205000 #IGL 0.0035 43770 348 4.6 0.00192 213000 #IGL 0.00200 298400 281 5.9 0.00072 215000 #IGL 0.00200 353300 280 17.7 0.00072 215000 #IGL 0.00201 553000 292 13.0 0.00068 211000 #IGL 0.00170 2176292 274 5.0 0.00045 215000 #IGL 0.00170 10000000 267 13.8 0.00048 208000 #Runout 0.00170 10000000 266 21.9 0.00049 213000 #Runout 0.00171 10000000 263 13.8 0.00051 214000 #Runout #Pearlite, %= 50 #Ferrite, %= 50 #ASTM Grain Size No. (Min to Max)= 8 to 10 #Carbon, %= 0.4 #Manganese, %= 0.8 #Phosphorus, %= 0.013 #Sulfur, %= 0.024 #Silicon, %= 0.28 #Copper, %= 0.03 #Nickel, %= 0.011 #Chromium, %= 0.04 #Molybdenum, %= 0.007 #Vanadium, %= 0.00 #Columbium/Niobium, %= 0.00 #Aluminum, %= 0.030 # #