Summary
The two often sit side by side in aerospace machine shops: Ti-6Al-4V airframe parts and Inconel 718 engine parts. A single titanium chip in a nickel melt, or a nickel chip in a titanium melt, is a quality problem, so shops bin them separately from the start. See titanium scrap for handling rules.
Side by Side
| Titanium | nickel alloy | |
|---|---|---|
| Density | About 4.4–4.5 g/cm³ | About 7.9–9.2 g/cm³ |
| Crystal structure | Hexagonal close-packed (α) | Face-centred cubic |
| Melting route | Vacuum arc or cold hearth | Air or vacuum induction |
| HS heading | 8108.30 | 7503.00 |
Composition: Titanium Grade 5 vs Inconel 718
Representative grades compared element by element. Change either grade to compare others.
On the XRF
Switch the grade to see how the fingerprint changes. See how XRF sorts nickel alloys.
FAQ
What is the main difference between Titanium and nickel alloy?
Titanium is a light metal (about 4.5 g/cm³) with a hexagonal crystal structure. Nickel alloys are about twice as dense (about 8–9 g/cm³) and face-centred cubic.