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An experimental study has been performed into the deformation and failure characteristics of girth welds in large diameter pipelines incorporating either natural (porosity and slag inclusions) defects or artificially introduced planar surface breaking root defects. The work was done on micro-alloyed high strength (X 70 and X 80) high yield-to-tensile ratio steel pipes. To assess the effects of weld metal yield strength (YS) mismatch, welds were produced by stick electrode welding with consumables of different strength categories, including cellulosic and basic coated electrodes.

Additional information

Authors: CORREIA DA CRUZ A, Instituto de Soldadura e Qualidade, Oeiras (PT);LEFEVRE T, Lab Soete voor weerstand van materialen en lastechniek, Gent (BE);SANTAMARIA F, Inasmet, San Sebastian (ES)
Bibliographic Reference: EUR 18426 EN (1998) 185pp., ECU 31.50
Availability: Available from the (2)
ISBN: ISBN 92-828-4643-1
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