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Subject: Internal Shrinkage in SG iron-how to control?

Date: 01/24/02 at 11:35 PM
Posted by: Vikas Goel
E-mail: uttambharat@vsnl.com
Message Posted:

We manufacture various grades of SG iron. We have been facing a problem of internal shrinkage porosities in various components like lift arms, carriers etc. We have tried to increase the risers and riser neck sizes but to no avail. Please suggest ways of removing yhis defect.

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