Study of the manufacturing process of UNS 32304 fexible pipes for the oil and gas industry

• Published in: Soldagem e Inspecao / Welding and Inspection Vol. 18; no. 1; pp. 2 - 11
• Main Authors: De Oliveira, Ida Paula Gusmao, De Sousa Luz, Temistocles
• Format: Journal Article
• Language: Portuguese
• Published: 01.03.2013
• Subjects: Austenite; Duplex stainless steels; Failure; Heat treatment; Natural gas; Phases; Pipe; Welding

The main characteristic of duplex stainless steels is the balance between ferrite and austenite phases, wich ensures to such material the best levels of corrosion and mechanical resistance. However, during the welding process, structural modifcations occur, especially with regard to the balance of t...