# NOTE!! Rotating Bending Tests !! # 17-4PH StainlessSteel H-1050 R= -1 # H-1050 percip. hardened 4hrs at 1050F HRc= 36 # then finished machined. # Chem.: 16.5Cr% 4.2Ni 4.2Cu .045C .33Mn .18P .010 # Chem.: .20Cb .02Ta .59Si .27Co # 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= 17-4PH_H1050 #Name= StainlessSteel #Stress_units= mpa #Strain_units= strain #Sy= 1103 mpa 160 ksi longitudinal #Su= 1117 mpa 162 ksi #E= 200000 assumed #%Elongation= 17 over 2" long., tranvese= 13. #%RA= 58.0 longit., transv.= 12 #BHN= 336 #TotStrain 2Nf Stress Mean PlasStr ## Amp Amp Stress Amp Elastic Mod 0.00448 160000 896 0 0 200000 0.00414 522000 827 0 0 200000 0.00379 1326000 758 0 0 200000 0.00362 4106000 724 0 0 200000 0.00362 4862000 724 0 0 200000 0.00355 1062000 710 0 0 200000 0.00355 1644000 710 0 0 200000 0.00345 1100000 690 0 0 200000 0.00340 2634000 679 0 0 200000 0.00336 27732000 672 0 0 200000 #runout 0.00328 3426000 655 0 0 200000 0.00328 23286000 655 0 0 200000 0.00324 15600000 648 0 0 200000 #runout 0.00321 25602000 641 0 0 200000 0.00314 26534000 627 0 0 200000 0.00310 33008000 621 0 0 200000 #runout # #