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  1. avekaria

    Micro shrink / porosity in ASTM Keel Block design

    Guys, I am having an issue at out steel plant. We pour 1025 steel. We have been using chill blocks on the ASTM Keel Block to prevent micro-shrink/micro-porosity. The fracture ends of the tensile test shows circular silver spots, which I am correlating to micro-shrink/micro-porosity. Research...

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