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Capabilities3D Printing ServiceMetal Binder Jetting 3D Printing Service


METAL BINDER JETTING 3D PRINTING SERVICE

UPLOAD YOUR CAD FILES TO GET AN INSTANT QUOTE ON PARTS. PARTS SHIP IN 10 DAYS.
FREE SHIPPING ON ALL US ORDERS.

See How It Works


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STEP | STP | SLDPRT | STL | DXF | IPT | 3MF | 3DXML | PRT | SAT FILES

Start Your New Instant Quote


ALL UPLOADS ARE SECURE AND CONFIDENTIAL.

Capabilities

How It Works

Materials

Finishes

Design Guidelines

Applications

Download Guide



USE METAL BINDER JETTING FOR FAST AND AFFORDABLE METAL PARTS

Metal binder jetting is a 3D printing technology used to make complex metal
parts with excellent mechanical properties. Our partnership with ExOne provides
on-demand production capacity with the latest binder jet machines and
high-performance metal alloys and composites.

Metal binder jetting is often used to produce metal parts at fraction of the
cost of other metal processes with virtually no design limitations. Binder
jetting machines have large build areas and produce parts at high speed, making
it an excellent option for low to medium batch, rapid turn parts. The speed and
affordability of binder jetting make it perfect for industries that need high
strength parts such as industrial, automotive, consumer products, oil, and gas
industries.




XOMETRY METAL BINDER JETTING CAPABILITIES

FeatureDescription
Feature

Build Size

Description

15" x 10" x 10" (400 x 250 x 250 mm)

Feature

Standard Lead Time

Description

10 days; 15 days for parts over 100 cubic cm

Feature

General Tolerances

Description

Depending on the part’s size and geometry, parts may shrink 0.8%–2.5% during
cooling

Feature

Layer Height

Description

0.004” (0.1 mm)

Feature

Surface Roughness

Description

30 to 200 µin Ra, depending on build orientation, finish, and material used for
the build

Feature

Density

Description

95%+ for infiltrated, 98%+ for single alloy. Density is homogeneous.

This table depicts the general tolerances for metal binder jetting 3D printing.
Learn more about our manufacturing standards.




HOW METAL BINDER JETTING WORKS

Metal binder jetting is an additive metal printing technology that builds metal
parts from a CAD file in a multi-step process. Binder jet machines first fuse
layers of metal powder together with a binding agent. Once the part is bound,
the resulting shape is called a green part and is left to cure. The cured form
is then put into a furnace to sinter or be infiltrated with bronze. 


Since binder jet parts are supported by unused powder on all sides of the part,
this eliminates or minimizes the need for post-processing. Note that since most
binder jet parts must undergo a furnace stage, parts are prone to shrinkage, are
slightly porous, and fine features may not survive. Engineers should design
binder jet parts with design-for-manufacturing principles in mind.




METAL BINDER JETTING MATERIALS AVAILABLE AT XOMETRY

Material NameDescription
Material Name

X1 Metal 420i™

Description

420i 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. Its properties behave similarly to 4140 steel.
420i is 95%+ dense.

Material Name

X1 Metal 316i™

Description

316i is a matrix metal composite material composed of 60% 316L stainless steel
and 40% bronze infiltrant. This material offers good mechanical properties and
offers excellent wear resistance. 316i is easier to tap and post-machine versus
420i. 316i is 95%+ dense.

Material Name

Single alloy 316L SS

Description

A 98%+ dense 316L stainless steel metal with superb corrosion resistance, and
excellent feature details.

Additional materials are available upon request. Review more information about
our materials here.




AVAILABLE FINISHES

420i binder jet metal parts are a composite of steel and bronze. Because of
this, material coloration will be bronze-silver on wear points. This can be
enhanced or occluded, depending on finishing options such as media blasting,
heat patinas, and vibratory media tumbling.


Xometry offers six finishes for X1 Metal 420i and 316i: Zirblast, Tumble
Polished, Medieval Pewter, Damascus Steel, Antique Bronze, and Wheat Penny.
Single alloy metals are available with Zirblast.


FINISHES GALLERY

Zirblast (Standard)

This standard finish results in a bright, matte, bronze-to-gray metallic
surface. This is provided due to a ceramic bead blast (zirconium silicate bead).

Tumble Polished

Parts are media tumbled to a semi-gloss polish. Part color is bright bronze with
darker gray striations from features inaccessible to the media. Small gaps may
still hold small grains of polishing media.

Medieval Pewter

A heat patina is applied, then parts are tumble polished resulting in a dark
gray appearance with some bronze shine on protruded features. Parts are coated
with a sealant before shipping.

Damascus Steel

A heat patina is applied to a media blasted surface leaving an even, dark gray,
and matte surface. Parts are coated with a sealant before shipping.

Antique Bronze

A heat patina is applied after tumble polishing to produce a copper-like
coloration with darker gray striations from features inaccessible to the media.
Parts are coated with a sealant before shipping.

Wheat Penny

A heat patina is applied and then media blasted, resulting in an even, matte,
and copper-like finish. Parts are coated with a sealant before shipping.




BINDER JETTING DESIGN GUIDELINES

FeatureDesign Guide
Feature

Unsupported walls

Design Guide

1.0 mm (0.04'')

Feature

Supported walls

Design Guide

1.0 mm (0.04'')

Feature

Minimum feature size

Design Guide

1.0 mm (0.04'')

Feature

Minimum hole diameter

Design Guide

1.0 mm (0.04'')

Feature

Minimum escape hole diameter

Design Guide

4.0 mm (0.157'')

Feature

Minimum font size

Design Guide

Arial 26 or greater

To see more design-for-manufacturing recommendations, view our Binder Jetting
Design Guide.




BEST APPLICATIONS FOR METAL BINDER JETTING


RAPID TOOLING

Because binder jet metal parts are strong and affordable, they are widely used
for rapid tooling, fixtures, and jigs.


PROTOTYPING

Binder jet metal 3D printing is affordable and fast, and therefore is often used
to make rapid to fully functional prototypes.


PRODUCTION

Highly dense and durable metals make binder jet printing a fantastic choice for
end-use products.


READY TO GET A QUOTE ON METAL BINDER JET PARTS?

Get Your Instant Quote

Get free US shipping on all 3D printing.


WHY CHOOSE XOMETRY FOR METAL BINDER JET 3D PRINTING?


ENDLESS OPTIONS

Choose from thousands of possible combinations of materials, finishes,
tolerances, markings, and certifications for your order.


EASY TO USE

Get your parts delivered right to your door without the hassle of sourcing,
project management, logistics, or shipping.


VETTED NETWORK

We are ISO 9001:2015 certified and AS9100D compliant. Only the top shops that
apply to become Suppliers make it through our qualification process.




DOWNLOAD THE METAL BINDER JETTING DESIGN GUIDE

Get the Guide


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