SAE 9000 series fatigue index file

SAE 9xxx Steel fatigue file index :

Update: Aug27-2009, May2018, Jan2019

Note! : The files in this directory are offered by the AISI Bar Fatigue committee members as a set of example files for the construction of web based material fatigue property databases. They are meant for information and research use only, not for design.

SAE 9254 series:
- SAE 9254M 536_BHN __ | __ Fitted __ | __ Calculator (AISI Bar Iter. 34 )
  Extra Vanadium, Q+T HRc=54
  Micro100X Micro400X
  Tensile Tensile+Cyclic FatigueReport
- SAE 9254 496_BHN __ | __ Fitted __ | __ Calculator (AISI Bar Iter 86 )
  Q+T HRc=51
  Micro100X Micro400X
  Tensile Tensile+Cyclic FatigueReport
- SAE 9254 584_BHN + Al __ | __ Fitted __ | __ Calculator (AISI Bar Iter 35 )
  Extra Aluminum, Q+T HRc=58
  Tensile Tensile+Cyclic FatigueReport
- SAE 9254 584 BHN +Al, Torsion Tests pdf only (AISI iter 44 )
  Same material as AISI iter. 35 above.
SAE 9310 series:
- SAE 9310 258_BHN __ | __ Fitted __ | __ Calculator (AISI Bar Iter 57 )
  Typical Core, HRc=26
  Micro100X Micro400X
  Monotonic Monotonic+Cyclic FatigueReport
- SAE 9310 595_BHN __ | __ Fitted __ | __ Calculator (AISI Bar Iter 58 )
  Simulated Case HRc=57
  MicroCase100X MicroCase400X MicroCore100X MicroCore400X
  Tensile Tensile+Cyclic FatigueReport
- Three Q+T Core. Same heat, different Hardness:
  - SAE9310 Q+T Simul Core 277 BHN Constant Ampl. tests (AISI Iter 125 )
  - SAE9310 Q+T Simul Core 277 BHN Periodic Overload tests (AISI Iter 149 )
    Simulated Core of Carburized part, HRc= 28.6
    Met.Report It.125/6/7
    Tensile+Cyclic CA+POL Strain-Life FatigueReport
  - SAE9310 Q+T Simul Core 331 BHN Constant Ampl. tests (AISI Iter 126 )
  - SAE9310 Q+T Simul Core 331 BHN Periodic Overload tests (AISI Iter 150 )
    Simulated Core of Carburized part, HRc= 35.2
    Met.Report It.125/6/7
    Tensile+Cyclic CA+POL Strain-Life FatigueReport
  - SAE9310 Q+T Simul Core 352 BHN Constant Ampl. tests (AISI Iter 127 )
  - SAE9310 Q+T Simul Core 352 BHN Periodic Overload tests (AISI Iter 151 )
    Simulated Core of Carburized part, HRc= 37.9
    Met.Report It.125/6/7
    Tensile+Cyclic CA+POL Strain-Life FatigueReport
- SAE 9310 634 BHN ThruCarburized Vacuum Simulated Case Const.Ampl HRc=60 (AISI Bar Iter 168 )
  SAE 9310 634 BHN ThruCarburized Vacuum Simulated Case PeriodicOverloads HRc=60 (AISI Bar Iter 169 )
  Tensile and Cyclic Stress-Strain (graph)
  (Note: Cyclic curve is higher than S_ultimate, probably due to 23.4%
  Retained Austenite. See report by B.Cryderman
  1/2 life stress-strain loop mean stresses were not reported. )
  Compare Tensile and Cyclic Stress-Strain
  Metallurgical Report (B.Cryderman)
- SAE 9310 Shallow vs. Deep Carburized Depth Series:
  - SAE 9310 Simulated Core (actually Case+Core) __ | __ Fitted AISI Iter.176 (not available)
    Const.Ampl. Axial Specimens,
    Iter. 176 had incorrect Heat treat and is actually a "Case+Core Composite"
    It is to be re-done.
  - SAE 9310 Simulated Core Const.Ampl. 4-Point Bending Specimens AISI Iter. 177
    FatigueReport
  - Shallow:
    - Hardness and Microstructure
    - SAE 9310 Carb. Case+Core Const.Ampl. Axial Specimens (Carburized in atmosphere ) AISI Iter. 178
    - iter 179 case +core POL AISI Iter.179 (not available)
    - SAE 9310 Carb. Case+Core Const.Ampl. 4-Point Bending Specimens, AISI Iter. 180
      SAE 9310 Carb. Case+Core Periodic Overloaded 4-Point Bending Specimens, AISI Iter. 181
      FatigueReport-180,181
  - Deep:
    - Hardness and Microstructure
      - not available yet.
    - SAE 9310+DeepCarb. Const.Ampl. Axial Specimens (AISI Iter. 182 not available yet)
    - iter 183 case +core POL not available yet.
    - SAE 9310+DeepCarb.Cast+Core Const.Ampl. 4-Point Bending Specimens (AISI Iter. 184 )
    - SAE 9310+DeepCarb.Cast+Core Periodic Overload. 4-Point Bending Specimens (AISI Iter. 185 )
      FatigueReport-184,185

Back to Steel Index
Back to Materials Index