#Copyright (C) 2012 F.D.E. Committee #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 # # AISI P21 (modified +Cu) Tool Steel HRc=38.9 # Vacuum melted 0.31C wt% 0.43Mn 4.17Ni 1.13Al .92Cu .006S Inland Steel # Austenitized 1hr at 1000C Oil_Quench, Tempr. 1.0hr at 650C, water quench, # then aged 4hr at 550C water quenched. # Material cyclically softens slightly. See Paper: # Ref.: R.A.Fournelle, E.A.Grey, M.E.Fine, "Fatigue Behavior of a # Precipitation Hardening Ni-Al-Cu medium Carbon Steel," Met.Trans A # V7A May 1976 pp.669-677. Paper also contains Crack Prop. info. # Data digitized from graphs and may contain errors. # #FileType= strain_life #DataType= raw #TIMEcol= 0 #NAME= AISI-P21 #NAME= ToolSteel #NAME= Modif.+Cu #Stress_units= mpa #Strain_units= strain #Sy= 1030. 0.2pc offset = 149 ksi #Su= 1180. = 171 ksi #eu= 0 #strain at Su not reported #E= 200000. mpa =29000 ksi #FractureStrain= 0.55 #FractureStress= 1690. #monotonic_K= 0 not reported #monotonic_n= 0 not reported #BHN= 362. Rc=38.9 #%RA= 42. % #StrAmpl 2Nf StsAmpl So PlasStrAmpl IniMod NeuberStressAmpl 0.02512 20 1292 0 0.01761 200000 2548 0.01976 38 1250 0 0.01350 200000 2222 0.01489 65 1210 0 0.00841 200000 1898 0.01305 81 1186 0 0.00681 200000 1759 0.01201 139 1169 0 0.00585 200000 1676 0.01165 250 1161 0 0.00546 200000 1645 0.00952 325 1137 0 0.00292 200000 1471 0.00781 759 1042 0 0.00236 200000 1275 0.00637 1122 1046 0 0.00088 200000 1155 0.00535 3846 971 0 0.00024 200000 1019 0.00505 6856 990 0 0.00000 200000 1000 # #