Materials reference
Inconel 718 (EOS IN718)
What is it?
Inconel 718 (EOS IN718) is a metal alloy selected for particular strength, temperature, weight or manufacturing needs.
Why would someone print it?
Printing may help create complex shapes or low-volume parts, but the complete finishing and inspection route still matters.
What should a beginner know?
- Confirm the exact machine, material settings and acceptance requirements.
- A material listing does not by itself qualify a production part.
What happens after printing?
Printed parts may need heat treatment, support removal, machining, finishing and inspection before they are accepted. Powder feedstock is often the largest consumable in LPBF economics — public powder price evidence, where records exist, is collected by alloy on its own page.
What is an alloy?
What does this mean? An alloy is a defined metal composition. Why does it matter? Composition, process settings and post-processing affect the finished part.
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Technical material evidence
The nickel superalloy that keeps its strength where steels and aluminum give up: precipitation-strengthened, used near and above several hundred degrees in aerospace, turbomachinery and downhole hardware. It is also one of the most-printed superalloys because its composition suppresses the solidification cracking that plagues other weldable nickel alloys. The AM-specific catch: anisotropy and the heat-treatment route (solution plus age) decide whether printed parts approach wrought-like behavior — and Laves/niobium segregation can change that answer. Confirm the heat-treatment condition and orientation of any property data you are sold.
LPBF · process-family reference. Nominal alloy properties and printed-part properties are different evidence — the table and sections below separate what is verified from what needs your qualified process.
| Property | Evidence |
|---|---|
| Designations | Inconel 718 UNS N07718 forged AMS 5662; AM AMS 5374 print conditions per AMS 2774/5662 (OEM text)OEM ↗ · Source reviewed |
| Nominal material density | 8.2 g/cm³THIRD-PARTY ↗ · Source reviewed |
| Powder price | Current supplier quote required No public powder list price was captured in the supplied source review. Obtain a current supplier quote. |
Post-processing evidence
HT conforms AMS 2774 + AMS 5662 (EOS); as-built and age-hardened both machinable/EDM/weldable/shot-peenable (OEM)
OEM ↗ · Source reviewedThis is a research summary, not a production heat-treatment instruction. Use the current OEM material datasheet, qualified parameter set and application-specific acceptance requirements.
Machine and process compatibility
| Referenced platform | Evidence scope |
|---|---|
| EOS LPBF incl 1kW variants | Portfolio evidence only; exact machine, parameters and qualification must be confirmedOEM ↗ · Source reviewed |
| Colibrium M Line | Portfolio evidence only; exact machine, parameters and qualification must be confirmedOEM ↗ · Source reviewed |
| Markforged Metal X | Not verified for this combinationOEM ↗ · Source reviewed |
Manufacturing considerations
- Laves/segregation at high energy
- cracking on restraint
- HT mandatory for aerospace properties