Crystallographic texture factor on development of high-strength low alloyed steels of controlled rolling

A consideration is given to basic types of textures arising in rolled sheets of high-strength low alloy steels and their effect on longitudinal fatigue crack propagation by a plastic mechanism under operation conditions of high pressure gas lines. It is shown that steel sheets produced by controlled rolling have a rather intense crystallographic texture. The presence of such texture in the process of crack initiation promotes the plastic strain distribution among grains and so prevents high-speed transcrystalline fracture