Microstructural characterization and mechanical properties of 9%Ni steel welds by submerged arc welding process using nickel-base alloys 

Ozaeta Laverde, Pablo (Date of defense: 2017-07-12)

Natural Gas with more than 80% methane has a liquefaction temperature around -165 ° C. Temperature at which the gas reduces its volume by a factor of 600/1. This operating temperature makes the use of ferritic materials ...