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Electroslag casting of valve bodies Gupta, Deepak


The Electroslag Casting (ESC) process has been widely used in the Soviet Union for the production of high quality steel castings. This work presents the results of an examination of the ESC process for the production of simple shaped valve bodies. Stainless steel (AISI 316 and ACI CF-8M) and low alloy steel (AISI 4340) valve bodies were made at U.B.C. and tested by non-destructive and destructive methods. It is concluded that this technique offers distinct quality and production advantages and the properties easily meet the required ASME/ASTM specifications. Therefore they are equivalent to or better than the conventional castings and forgings. However, there may be difficulties in reconciling the method with present code qualification requirements.

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