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SAE MA1520B

Действует
Areas for Calculating Stress or Load Values for Metric MJ Externally Threaded Fasteners (Stabilized: May 2019)
Areas for the standard metric series of thread diameter-pitch combinations for aerospace externally threaded fasteners are established for the following conditions:
  1. a Area for ultimate shear stress or load in unthreaded shank.
  2. b Area for ultimate tensile stress or load in thread.
  3. c Area for stress durability test load in thread.
  4. d Area for stress-rupture test load at elevated temperature.
  5. e Area for tension-tension fatigue test load.