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There is a world-wide drive to increase the size of the pressure vessels manufactured with high strength steels of type high strength low alloy (HSLA). The objective of this work is to reduce the usual preheating temperatures during welding and to eliminate or reduce intermediates or final heat treatments by studying the behaviour of the weldments of simulated coupons of 95 mm and 125 mm of thickness in the same real work conditions. In addition to the conventional mechanical tests tests were carried out to measure the toughness (Charpy V; Pellini; slow bend and dynamic tests with precracked Charpy V specimens; and crack opening displacement (COD) of partial thickness, 25 mm, and full thickness of 95 mm and 125 mm).

Additional information

Authors: ROMAN M, Babcock and Wilcox Espagñola SA, Bilbao (ES);BOURGES P, Creusot-Loire Industrie, Usine de Creusot (FR)
Bibliographic Reference: EUR 16062 ES (1997) 164pp., FS, ECU 28.00
Availability: Available from the (2)
ISBN: ISBN 92-828-1013-5
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