Diehl Tool Steel Inc.

800 Ross Ave.
PO Box 17010
Cincinnati, OH 45217-0010 US

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As Seen In MoldMaking Technology

Sunglasses mold made with Uddeholm’s Mirrax ESR and a pair of sunglasses

2018 Technology Review and Sourcing Guide: Mold Materials
MoldMaking Technology’s annual Technology Review and Sourcing Guide is an accurate, comprehensive, easy-to-read and easy-to-use use guide for researching today’s technology, equipment, products and services. The year’s latest moldmaking product developments within mold engineering/design, build and maintenance/repair are broken down into 10 sections, including mold materials.

Hitachi Metals America’s SLD-i cold work premium tool steel from Diehl Tool Steel

Steel Requires Less Machining than D2 after Heat Treatment
Diehl Tool Steel now offers Hitachi Metals America’s SLD-i cold work premium tool steel, which exhibits better wear and toughness when used for forming and trim sections than D2.

tool steel

SLIDESHOW: Technology Showcase – Mold Materials
Tool steel, aluminum, copper and alloys are some of the materials used to manufacturing molds, and the choice of materials to use is critical to the overall performance of the mold.

Diehl Steel Accu-Square steel process

Process Quickly Pre-Squares Steel Blocks
Diehl Tool Steel says its Accu-Square process enables it to custom-machine steel blocks and plates with speed and accuracy to customers’ specific size tolerances.

Diehl Steel Announces Acquisition Agreement Expands Product Portfolio
Diehl Steel Company, Inc. has entered into an agreement to be acquired by Tokyo, Japan-based Hitachi Metals Ltd.

High-Hard Mold Steel Can Be Polished to High Shine
P-20 high-hard mold steel from Diehl Steel is designed to be easily polished to a high shine, making it well-suited for plastic molding applications, injection molds, compression molds, mold frames, forming tools and die holders.

amerimold 2015

Slideshow: Amerimold 2015 Preview
Considered THE event for mold manufacturing, Amerimold covers many facets of the industry, from its exhibits to its technical conference. Here's a small sampling of what will be highlighted for attendees.

Mold-Quality Alloy Steel is Free-Machining
Marshalloy MQ/FM pre-hardened alloy steel from Diehl Steel is a mold-quality, free-machining, premium P-20 steel produced through a propriety melting and refining process.

Pre-Square Tool Steel Reduces Labor Costs
Diehl Steel offers a range of steel products, including its Accu-Square tool steel, which reduces labor costs with six-sided pre-squaring to a customer-defined tolerance range, eliminating the need for further squaring of the blocks.

Diehl Steel Takes Home Trophy at Tri-State Family and Private Business of the Year Awards
Diehl Steel collected the runner up trophy at the Tri-State Family and Private Business of the Year Awards for privately held companies who have been in business 50 years or more.

Hard Steel Well-Suited for Large Plastic Molds
P-20 hard mold steel from Diehl Steel is supplied prehardened and can be easily polished to an extremely high finish, making it well-suited for plastic molding applications, injection molds, compression molds, mold frames, forming tools and die holders.

Product Categories of Diehl Tool Steel Inc.

Machining Services
Stainless Steel
Tool Steel/Mold Steel