Machined in America Steel Plates

National’s East Dundee Illinois facility - inventory for optimum efficiency

VR Stainless: #7 steel

National Tool is the exclusive supplier of VR Stainless. A hardened and tempered 400 series holder plate, VR Stainless is the ideal solution for machined plate applications in corrosive environments.

Common applications are plastic injection mold frames, rubber molds, extrusion dies and food processing equipment.
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4140 Pre-Hard: #2 steel

The American alloy holder steel of choice, 4140 Pre-hard combines free machining properties with uniform hardness and durability. National supplies re-sulfurized quenched and tempered 4140 to aid machining while retaining toughness for extended tool life.

Common applications are injection mold bases, die cast frames, rubber molds, stamping dies & die components, and press parts.

4140 Pre-Hard Steel Data Sheet

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P20: #3 steel

The global holder steel, P20 offers increased polish ability, higher hardness and responds well to texturing. National’s P20 is suitable for nitriding, chrome and nickel plating.

Common applications are plastic molds and dies, where P20 is used as the molding surface.

P20: #3 Steel Data Sheet

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A36: #1 steel

National Tool’s hot rolled alternative is A36. A low carbon steel with great tensile strength, A36 is superior to machine versus softer grades.

Common applications are support plates for rubber, plastic and die cast tooling. A36 is also used in bolster plates, stamping die sets, fixtures and weldments.

A36: #1 Steel Data Sheet

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We have your complete solution

Our two facilities utilize the latest in plate processing, vertical and horizontal CNC milling technology. From industry leading plate preparation through duplex milling and grinding, to rough machining and finished pocket work, to fully customized projects with installed components— has a solution to every projects demand.

Every project has a dedicated project manager available for direct support on all aspects of your job from engineering changes to delivery updates. Through our customized ERP software, real time job tracking offers complete visibility throughout the manufacturing process.
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We adjust your workload

National can process multiple jobs together at a discount

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Give us a call! 847-806-9800