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Item Hydrogen-Induced Cold Cracking in High-Frequency Induction Welded Steel Tubes(Springer Boston, 2016) Banerjee, K.Detailed investigation was carried out on 0.4C steel tubes used for the telescopic front fork of two-wheelers to establish the root cause for the occurrence of transverse cracks at the weld heat-affected zone of the tubes. Fractographic and microstructural observations provide evidences of delayed hydrogen-induced cracking. The beneficial microstructure for avoiding the transverse cracks was found to be the bainitic-martensitic, while martensitic structure was noted to be deleterious. © 2016, The Minerals, Metals & Materials Society and ASM International.
