# saedigcurve_v2.2.f starts. # #Copyright (C) 2025 F.D.E. Committee of SAE #This data file is free software - you can redistribute it and/or #modify it under the terms of the GNU General Public License as #published by the Free Software Foundation; either version 2 of the #license, or (at your option) any later version. #This data file is distributed in the hope that it will be useful, #but WITHOUT ANY WARRANTY - without even the implied warranty of #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #GNU General PUblic License for more details. #You should have received a copy of the GNU General PUblic License #along with this program - if not, write to the Free Software #Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA #Try also their web site: http://www.gnu.org/copyleft/gpl.html # # File is a line of points fitted to the data. # NOTE!!: merged file AISI 304L Stainless Steel of # Ref.: 304L A.J.Nachtigall, NASA TN D-7532, 1974 (Diametral Spec.!) # Ref.: 304LN S.Goyal, S.K.Gupta, V.Bhasin, K.K.Vaze, Transactions, # Ref.: SMiRT 21, 6-11 Nov. 2011 New Delhi, Div-II paper ID# 621 # Ref.: 304L J.Colin, A.Fatemi, S.Taheri, J. Mater.Sci 2011, 46, pp145-154 # #FileType= strain_life #DataType= fitted #TIMEcol= 0 #NAME= AISI-304L #Name= Stainless #Strain_units= strain #Stress_units= mpa #Sy= 273 average of 277 340 202 mpa #Su= 617 average of 572 670 608 #E= 192700 average of 190200 195000. 193000. #%RA= 81 % average of 79.% 83.% #TrueFractureStress= 1763 #TrueFractureStrain= 1.78 #BHN= 191 average of 200 183 #converted from Su #%Elongation= 65 % #Starting points are Coffin-Manson line fit: ##AISI-304L Stainless BHN= 191 Fn= 0 ## Monotonic Props. Cyclic Props. #ELAS. MOD.= 27949. KSI, 193. GPA K' = 270.4 KSI, 1864.MPA #YIELD,0.2%= 40. KSI, 273. MPA N' = 0.2993 #ULT. STRG.= 89. KSI, 617. MPA F. STRG COEF= 147.8 KSI, 1019.MPA #K = 0.0 KSI, 0. MPA F.STRG EXP, b=-0.1111 #N = 0.0000 FAT DUCT COEF= 0.1328 #RED. IN AREA = 81.0 F.DUCT EXP, c=-0.3713 #T. FRAC. STG.= 0.0 KSI, 0. MPA Exp Cyc Yld = 42. Ksi, 290.MPA #T. FRAC. STR.= 0.000 Fit Cyc Yld = 44. Ksi, 306.MPA # # NOTE!! The Following Points are <b>FITTED DATA:</b>#NOTE!! Fitted Stress computed using Experm. K' and n' #Stress_Units= MPa #Some points below have been adjusted manually:Life and StsAmpl #TotStrAmpl 2Nf Stress Mean Plastic Strain Initial ## Amp Amp Stress Amp Elastic Mod. 1.78 1 1763 0 1.771 192700 #Monotonic True Str-Stsjk 0.02718 250 750 0 0.02329 192700 #Fitted_pointManual 0.0215 400 650 0 0.01813 192700 #Fitted_pointManual 0.01586 600 550 0 0.01301 192700 #Fitted_pointManual 0.01267 1000 490 0 0.01013 192700 #Fitted_point 0.01017 1500 440 0 0.00789 192700 #Fitted_pointManual 0.00767 3000 387 0 0.00566 192700 #Fitted_pointManual 0.00624 5000 354 0 0.00440 192700 #Fitted_pointManual 0.00512 10000 324 0 0.00344 192700 #Fitted_pointManual 0.00398 35000 300 0 0.00242 192700 #Fitted_pointManual 0.00332 80000 282 0 0.00186 192700 #Fitted_pointManual 0.00279 150000 272 0 0.00138 192700 #Fitted_point 0.00225 500000 254 0 0.00093 192700 #Fitted_point 0.00192 1000000 237 0 0.00069 192700 #Fitted_point 0.00192 6000000 237 0 0.00069 192700 #Fitted_pointManual # #