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Steel castings are steel products that are formed by pouring molten steel into a mold, typically made from sand. In the structural fi eld, steel castings are often used to create nodes or member end connectors to which conventional steel shapes can be joined by welding. Steel castings have become popular in Architecturally Exposed Structural Steel (AESS) applications. For complex connections where the geometry would cause congestion or weld access issues in conventionally fabricated connections, steel castings may be a practical alternative. For highly loaded connections, steel castings have been used to create strong and stiff nodes while retaining lighter weight and more slender rolled steel elements away from the connection. In fatigue sensitive connections, steel castings can be used to move the locations of welded joints away from geometric stress risers which thus improves the fatigue performance of the system. This presentation will address the code based and practical issues around welds made between conventional structural steel products and cast steel structural products.