Diehl Steel was founded in 1926 in Cincinnati, Ohio to serve the needs of the metal working industry. Our focus is and has always been to serve the quick turn-around needs of the tool and die, mold shop, machine shop, and O.E.M. industries.
We are a distributor of:
Tool steel
Alloy steel
Powder metal products, including CPM (Crucible Particle Metal)
Mold steel
Carbon steel
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