# NOTE!! Rotating Bending Tests !! # 15-5PH StainlessSteel H-900 R= -1 # H-900 percip. hardened 1hr at 900F HRc= 46 # 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 .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_H900 #Name= StainlessSteel #Stress_units= mpa #Strain_units= strain #Sy= 1207 mpa 175 ksi long.= transv. #Su= 1310 mpa 190. ksi long.= transv. #E= 200000 assumed #%Elongation= 14 over 2" long., transv= 11. #%RA= 54. long., transv.= 35 #BHN= 432 #TotStrain 2Nf Stress Mean PlasStrain ## Amp Amp Stress Amp Elastic Mod 0.00448 178000 896 0 0 200000 0.00414 196000 827 0 0 200000 0.00396 472000 793 0 0 200000 0.00379 838000 758 0 0 200000 0.00362 714000 724 0 0 200000 0.00352 636000 703 0 0 200000 0.00345 2492000 690 0 0 200000 0.00345 23000000 690 0 0 200000 #runout 0.00341 482000 683 0 0 200000 0.00334 22074000 669 0 0 200000 #runout # #