# NOTE!! Rotating Bending Tests !! # 15-5PH StainlessSteel H-1050 R= -1 # H-1050 percip. hardened 4hrs at 1050F HRc= 37 # Spec. from round 0.50inch bar stock from Armco, and # machined 0.020" oversized and then hardened. # then finished machined. # Chem.: 15.5Cr% 4.6Ni 3.5Cu .039C .22Mn .02P .008S # Chem.: .33Cb .02Ta # Ref.: Boeing Co., "Fatigue Properties of 17-4PH and 15-5PH # Ref.: Steel in the H-900 and H-1050 Condition", Aug. 1968 # Ref.: Web document AD0691794.pdf # Rotating Bending R.R.Moore 0.25inch diam samples. #FileType= strain_life #DataType= raw #TIMEcol= 0 #NAME= 15-5PH_H1050 #Name= StainlessSteel #Stress_units= mpa #Strain_units= strain #Sy= 1137 mpa 165 ksi longitudinal #Su= 1172 mpa 170 ksi #E= 200000 assumed #%Elongation= 15 over 2" long., tranvese= 12. #%RA= 56. longit., transv.= 42 #BHN= 390 #TotStrain 2Nf Stress Mean PlasStrain ## Amp Amp Stress Amp Elastic Mod 0.00448 104000 896 0 0 200000 0.00414 148000 827 0 0 200000 0.00379 322000 758 0 0 200000 0.00345 3012000 690 0 0 200000 0.00338 1422000 676 0 0 200000 0.00338 1934000 676 0 0 200000 0.00328 1692000 655 0 0 200000 0.00324 1928000 648 0 0 200000 0.00324 32678000 648 0 0 200000 #runout 0.00319 1334000 638 0 0 200000 0.00319 78000000 638 0 0 200000 #runout 0.00310 21832000 621 0 0 200000 #runout # #