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Abstract
Twenty coupons of 100mm thickness SA 508 C13 and Fe 56.2 steels were electron beam (EB) welded to encourage industrial applications and to verify the advantages and drawbacks of the welding process. Various non-destructive tests and mechanical tests (hardness, tensile, bend, Charpy V and Pellini) were then carried out in different joint positions.
The results are more than satisfactory for the SA 508 C13 steel, whereas a reduction in toughness was observed for the Fe 56.2. Useful information concerning the qualification of the EB welding process was obtained.
This work has been carried out in co-operation between ENEA and TERNI, with the financial support of the ENEA-TIB, under a programme for the publicising of new technologies. The welds were performed by The Welding Institute, UK (TWI), whilst for some aspects concerning the characterisation of joints, useful advice was provided by the Italian Institute of Welding.