D2 Tool Steel (DM Production System)

DESKTOP METAL®

D2 Tool Steel

The steel for high-strength, high-temperature applications

D2 tool steel is a versatile material that provides tooling grade strength while also offering corrosion resistance, a key benefit for conformally cooled applications.

D2 Tool Steel. For conformal cooling applications

D2 tool steel is a versatile high-carbon, high-chromium air-hardening tool steel characterized by its high hardness and compressive strength after heat treatment. This tool steel also offers extremely high wear resistance properties, dimensional stability, and corrosion resistance in the hardened condition, a key benefit for conformal cooling applications. 

Rotating_Cam_Build_Box D2 Tool Steel

Applications

injection molding applications icon

Conformally Cooled Injection Molding Inserts and Cavities

Proto3000_Icon_Valves Fasteners

Cold Forming Tooling Components

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Cutting Components

Rotating-Cam-D2 Tool Steel DM

Rotating Cam (DM Production System)

Material: D2 Tool Steel

Rotating cams are used in oil and gas or chemical processing applications to convert rotary motion into reciprocating linear motion in a machine.

Full Description

Typically these parts require multiple manufacturing steps, beginning with CNC machining and followed by broaching of the spline on a separate machine.

Binder jetting enables the production of cams in a single printing step, reducing both the cost and lead time of the part, while also supporting the production of numerous cam sizes in a single build to accommodate different machines, all without any fixturing or tooling required.

D2 tool steel is critical for this application because of its hardness and corrosion resistance, which ensures a longer lifetime as the cam mechanically interacts with a sliding pin. In addition, because these components are often integrated into machines operating in harsh environments, the corrosion resistance provided by D2 ensures that the parts will perform as intended and not deteriorate.

Technology/Process
  • Single Pass Jetting™ (SPJ) Technology

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Material Properties

TRANSVERSE RUPTURE STRENGTH
After Quench & Temper, ASTM B528
Proto3000_Icons_Elongation at Break

2.2 ± 0.2 GPa

 

QUENCHED HARDNESS (HRC)
After Quench & Temper, ASTM E18
Proto3000_Icons_Hardness

63

TEMPERED HARDNESS (HRC)
After Quench & Temper, ASTM E18
Proto3000_Icons_Hardness

57

DENSITY
Tempered
Proto3000_Icon_Density7.70 g/cm³

Performance Scale

wear resistance
toughness
Corrosion Resistance

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Technical Specifications

Transverse Rupture Strength
Transverse Rupture Strength
After Quenched & Temper, ASTM B528: 2.2 ± 0.2 GPa

Quenched Hardness (HRC)
Quenched Hardness (HRC)
After Quenched & Temper, ASTM E18: 63

Tempered Hardness (HRC)
Tempered Hardness (HRC)
After Quenched & Temper, ASTM E18: 57
Charpy Impact Strength*
Charpy Impact Strength*
ASTM E23: 1.2 J

*Charpy impact specimens used were V-notched 10 x 10 mm.
Density
Density
7.70 g/cc
Surface Finish**
Surface Finish**
ISO 4287: 3 - 8 µm Ra

**Surface roughness measured in Z direction after sintering & sandblasting.
Density
Density
ASTM B311: 8.65 ± 0.005 g/cc