Community Research and Development Information Service - CORDIS


Research in Japan and Europe has shown that new 2 1/4 Cr 1 Mo steel grades, with V addition, were convenient for manufacturing heavy pressure vessels for the petrochemical industry, operating at higher temperature and pressure than with standard steel grade. The main objective of this demonstration programme was to develop a European industrial pole for manufacturing such heavy components. Creusot Loire Industrie has manufactured successfully 300 mm thick heavy plates in 2 1/4 Cr Mo 1/4 V and 123 tonne heavy forging in 3 Cr 1 Mo 1/4 V Ti B steel grade. ATB and Belleli have investigated the cladding, forming and welding conditions of these new materials. Optimized welding components have been developed in association with Thyssen.

Additional information

Authors: BOCQUET P, Creusot Loire Industrie, Usine du Creusot (FR);BERTONI A, Belleli SpA, Mantova (IT);BERZOLLA A, ATB Caldereria, Brescia (IT)
Bibliographic Reference: EUR 17818 EN (1997) 27pp., FS, ECU 7.00
Availability: Available from the (2)
ISBN: ISBN 92-828-1977-9
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