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CapabilitiesCustom Online 3D Printing ServiceX1 Metal 420i for Binder Jet 3D Printing

X1 Metal 420i for Binder Jet 3D Printing

Get instant online quotes on 3D printed X1 Metal 420i parts. Free shipping on all US orders. ISO 9001:2015, ISO 13485 and AS9100D certified.

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About X1 Metal 420i for Binder Jet 3D Printing

X1 Metal 420i (Stainless Steel Infiltrated with Bronze) is a matrix metal composite material composed of 60% 420 stainless steel and 40% bronze infiltrant. This material offers good mechanical properties and offers excellent wear resistance. 95%+ density.

Applications for X1 420i Metal 3D Printing

This material system is ideally suited for parts exposed to highly abrasive environments such as pump components, and parts for down-hole drilling and mining equipment. Additional applications include industrial components, molds, tooling, art objects, and decorative hardware.

Typical X1 420 Material Properties

Material PropertiesTest MethodValues
Material Properties

Tensile Strength - Ultimate Strength

Test Method

ASTM E8

Values

99 ksi (682 MPa)

Material Properties

Yield Strength (0.2% offset)

Test Method

ASTM E8

Values

66 ksi (455 MPa)

Material Properties

Elastic Modulus (ASTM E8)

Test Method

ASTM E8

Values

21.4 Mpsi (147 GPa)

Material Properties

Elongation

Test Method

ASTM E8

Values

2.3%

Material Properties

Hardness

Test Method

ASTM E18

Values

97 HRb

Material Properties

Fractional Density

Test Method

MPIF 42

Values

95%+

Material Properties

Density

Test Method

MPIF 42

Values

0.284 lbs/in^3 (7.86 g/cm^3)

Material Properties

Machinability

Test Method

Values

Refer to ExOne for recommendations

Material Properties

Weldability

Test Method

Values

Use silicone bronze rod & TIG weld

Material Properties

Thermal Conductivity

Test Method

ASTM E1530

Values

13 BTU/hr ft °F (22.6 W/m°K)

Material Properties

Specific Heat

Test Method

ASTM E1263

Values

0.114 BTU/lb °F (478 J/kg°K)

Material Properties

Thermal Expansion Coefficient

Test Method

ASTM E228

Values

7.4 x 10-6/°F (13.4 x 10-6/°K)

Source: ExOne

Surface Finish

  • After sintering: ≈ 600 μin Ra  (15 μm Ra )
  • Bead blasting: ≈ 300 μin Ra  (7.5 μm Ra )
  • Barrel finishing: ≈ 50 μin Ra  (1.25 μm Ra )

Post Processing

After printing is complete, the parts are cured in an oven, which enables the parts to be handled. After curing, the parts are sintered and infiltrated with bronze above 1100°C. Cool down can be varied to control the machinability and hardness of the material.

  • Zirblast (Standard)
  • Tumble Polished
  • Medieval Pewter
  • Damascus Steel
  • Antique Bronze
  • Wheat Penny
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