Diehl Steel’s 420 Stainless Steel’s High Hardness is Perfect for Mold Making

CINCINNATI, OH (April 3, 2014) – 420 stainless steel from Diehl Steel is a highly-refined mold quality steel that exhibits excellent polishability, good corrosion resistance and good wear resistance. 420 SS from Diehl is an electroslag remelt (ESR), giving it high internal cleanliness and homogeneity. Its high hardness makes it perfect for the manufacturing of plastic molds that require good parting line retention and sealing between colored resins.

Special melting and forging practices result in 420 having a ultra-high microcleanliness and a homogeneous microstructure. 420 stainless steel is used in a variety of applications such as ball bearings, gauges, shafts, cutlery, plastic mold cavities, and surgical and dental instruments.

About Diehl Steel

Diehl Steel is an international supplier of quality tool steel, alloy steel, CPM powder metal, mold steel, carbon steel, stainless steel and aluminum products and services.   The company offers standard and custom cut and machined sizes of flats, bars, squares, sheets, plates, drill rod, hollow bar and rounds.  With its unique Accu-Square process, the company can square metal block to toolmaker tolerances. Diehl Steel focuses on serving the rapid turn-around needs of the tool and die, mold shop, machine shop, and O.E.M. industries, typically shipping in-stock items in 24 to 48 hours.