... Abstract The deployment of a hydrogen economy at an industrial scale requires pipeline transportation. Duty holders are willing to develop such pipeline infrastructure by taking advantage of the existing hydrocarbon assets. It is unreasonable to expect that pipelines designed for hydrocarbon...

..., high pressure gaseous hydrogen, blended high pressure hydrogen/natural gas along with carbon capture of CO2 both safely and economically. Safely means optimum through thickness crack arrest characteristics which comes from the ductility of the through thickness microstructure. Economically means higher...