Daido Steel (America) Inc.

Daido Steel (America) Inc. (DSI) is a trusted supplier of high-performance forged materials for gas turbine and aerospace applications. An AS9120-certified aerospace trading company—the first Japanese steel trader to achieve this distinction—DSI is the U.S. subsidiary of Daido Steel Co., Ltd., Japan, a specialty steel manufacturer with over 110 years of metallurgical expertise.DSI delivers aerospace-grade materials and precision-forged disk blanks for compressor and turbine stages, including nickel-based superalloys (Alloy 718, Waspaloy, René alloys), titanium alloys, maraging steels, and other high-strength materials. Advanced VIM/VAR/ESR melting technologies ensure consistent quality and performance.With AS9100/AS9120-compliant processes, full traceability, non-destructive testing, and metallurgical verification, DSI is a proven supplier to GE Aerospace, Siemens Energy, and other leading turbine OEMs.