3D Printing · SLM

Inconel 718

A Ni-Cr-Fe-based precipitation hardening type deformed high-temperature alloy, the long-term use temperature range is -253°C~650°C, and the short-term use temperature can reach 800°C. The alloy has high strength below 650°C and has good fatigue resistance, radiation resistance, oxidation resistance and corrosion resistance, as well as good processing performance, welding performance and long-term structural stability. It is widely used in aviation, aerospace, petrochemical and other fields.

Dimensional Stability

High Strength

Wear Resistance

Rigidity

Heat Resistance

unionfab-inconel-718-aerospace-part

Lead Time

6~10 days

Tolerance

± 0.2% (minimum of ± 0.2mm)

Min. Order

1

Reference Unit Price Range

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Advantages

  • Heat resistance
  • Improved creep resistance
  • Heat-treatment capable
  • High Strength

Disadvantages

  • Higher cost
  • Higher weight
  • Lower surface quality

Performance Snapshot

Material Characteristics at a Glance

Relative performance profile across key engineering parameters. Values are contextual — not absolute stress ratings.

Heat Resistance

Excellent

Source score: 5/5

Corrosion Resistance

Excellent

Source score: 5/5

Dimensional Stability

Excellent

Source score: 5/5

High Strength

Excellent

Source score: 5/5

Rigidity

Excellent

Source score: 5/5

Weather Resistance

High

Source score: 4/5

Wear Resistance

High

Source score: 4/5

Thermal Conductivity

Medium

Source score: 3/5

ESD Safe

Medium

Source score: 3/5

Surface Finish Options

Surface Finish Options

Available finish options for Inconel 718.

As Printed
Included

As Printed

Color

Silvery-gray

Accuracy

± 0.2% (minimum of ± 0.2mm)

unionfab-polishing-surface-look
Available

Polishing

Surface result

Smoother, glossier visible surfaces where geometry allows

Best for

Improving smoothness and gloss on Inconel 718 parts used for end-use metal parts, where geometry permits.

Note

Confirm edge retention and dimensional impact on Inconel 718; fine features may soften during polishing.

unionfab-sand-blasting-surface-look
Available

Sand Blasting

Surface result

Uniform matte texture

Best for

Creating a uniform matte texture on Inconel 718 parts used for end-use metal parts and display or functional prototypes.

Note

Confirm masking and feature retention on Inconel 718; abrasive blasting can change texture and soften fine details.

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Available

Laser Engraving

Marking result

Permanent text, logo, or identification marking

Best for

Adding permanent text, logos, or identification to Inconel 718 parts used for end-use metal parts.

Note

Confirm contrast, marking depth, and heat sensitivity on Inconel 718 before production.

unionfab-shot-peening-surface-look
Available

Shot Peening

Surface effect

Compressive surface treatment for metal parts

Best for

Improving the surface condition of Inconel 718 metal parts used for end-use metal parts and load-bearing applications.

Note

Confirm alloy response, dimensional tolerance, and surface coverage on Inconel 718; process settings affect the final surface condition.

unionfab-heat-treatment-surface-look
Available

Heat Treatment

Mechanical result

Adjusted strength, hardness, or stress-relief depending on the alloy

Best for

Adjusting the strength, hardness, or stress state of Inconel 718 parts for end-use metal parts and demanding functional use.

Note

Confirm alloy-specific cycle, dimensional change, and post-treatment requirements for Inconel 718 before production.

Industries & Applications

Where Inconel 718 Delivers

unionfab-industrial-manufacturing

Industrial Manufacturing

  • End-use metal parts
  • Functional prototype testing
  • Assembly testing
  • Deformation-resistant functional parts
unionfab-equipment

Equipment

  • End-use metal parts
  • Functional prototype testing
  • Assembly testing
  • Energy equipment parts
unionfab-aerospace

Aerospace

  • End-use metal parts
  • Functional prototype testing
  • Assembly testing
  • High-temperature aero-engine parts
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Automotive

  • End-use metal parts
  • Functional prototype testing
  • Assembly testing
  • Automotive engine-bay parts
unionfab-defense

Defense

  • Prototype and fit-check components
  • Custom fixtures and production aids
  • Low-volume engineering validation builds
  • Non-mission-critical demonstration parts

Technical Specifications

Design Guidelines

Material Properties

Density
8.24 g/cm³
Tensile Strength
1370 MPa
Elongation at Break
19%
Yield Strength
1200 MPa

Process & Dimensional Specs

Maximum Part Size
800 × 800 × 700 mm
Dimensional Tolerance
± 0.2% (minimum of ± 0.2mm)

Ready to Order?

Upload your 3D file and receive a quote for Inconel 718 parts. Typical turnaround is 6~10 days from order confirmation.

Every order includes: Dimensional inspection report · NDA-ready file handling · Pre-shipment QC photography · DDP door-to-door logistics · Engineering review on request

Talk to a Process Engineer

Have a tight-tolerance or complex geometry requirement? Our engineers review your drawing before quoting to flag potential issues.

Compare & Decide

Related & Alternative Materials

SLM · Metals

Inconel 625

SLM · Silvery-gray

Inconel 625 is a high-strength, high-temperature and corrosion-resistant nickel-based superalloy, mainly composed of nickel, chromium, molybdenum and niobium. This alloy has excellent oxidation resistance, stress corrosion cracking resistance and excellent high temperature performance. It is widely used in aerospace, nuclear industry, marine engineering and chemical equipment and other fields. It is especially suitable for harsh corrosive environments and high temperature load-bearing conditions.

SLM · Metals

Maraging Steel

SLM · Silvery-gray

Maraging Steel is an ultra-high-strength steel that is mainly used in precision forging dies and plastic mold manufacturing. The heat treatment process of this material is simple, the heat treatment deformation is extremely small, and it has excellent machining performance and welding performance.

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