Back (Failure Cases)

1.0570 | S355J2 Fatigue fracture of a hitch

Numeric designation1.0570
Chemical designationS355J2
StateFatigue fracture of a hitch

Fatigue fracture due to unidirectional bending. After decades of hard use, the hitch showed considerable signs of wear on the ball and should have been replaced long ago. At the crack starting point, there were chafe marks such as could be caused by a steel cable.