Handbook of Case Histories in Failure Analysis
Hot Cracking in Inductively Bent Austenitic Stainless Steel Pipes
Stainless steel pipe (273-mm OD x 8-mm wall thickness) used in the fabrication of large manifolds developed crack-like decohesions during a routine inductive bending procedure. The imperfections, which were found near the outside diameter, were around 3 mm in length oriented in the circumferential direction and penetrated nearly 2 mm into the pipe wall. The pipes were made of titanium-stabilized austenitic stainless steel X6CrNiMoTi17-12-2. Six hypotheses were considered during the investigation, which ultimately concluded that the failure was caused by liquation cracking due to overheating.
Andreas Neidel, Susanne Riesenbeck, Hot Cracking in Inductively Bent Austenitic Stainless Steel Pipes, Handbook of Case Histories in Failure Analysis, Vol 3, Edited By Larry Berardinis, ASM International, 2019, p 603–607, https://doi.org/10.31399/asm.fach.v03.c9001838
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