Energy
Technical Paper

High productivity welding of a modern higher niobium, low carbon pipe steel for high toughness applications

International Seminar on Welding of High Strength Pipeline Steels

2013
Starck, S
A new generation higher niobium X70 pipe steel has been welded using the high productivity submerged arc, multi-wire process with 2 passes for joining the longitudinal seams. High toughness weld deposits have been produced using a microalloying system produced using solid TiB SAW welding wires combined with a specially designed semi-basic SAW flux. High levels of toughness were produced in the weld metal and heat affected zone, evaluated using ISO-V and CTOD testing. (AU) Copyright © 2013 Companhia Brasileira de Metalurgia e Mineração (CBMM) All Rights Reserved
Technical Paper (PDF 3,21 MB)
Welding Pipeline Energy
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