What Proterial makes for data centers
private
Proterial is a private company. It appears on 2 parts of the AI data center — Grain-oriented electrical steel & amorphous cores and Rare earths & permanent magnets — in the role of manufacturer. Those parts sit in Layer 10 — Materials & upstream inputs.
Exposure
2 parts across 1 layer
No disclosed data-center revenue share on file.
Parts, by layer
Layer 10 — Materials & upstream inputs
| Part | Role | Confidence | Competitors | Note |
|---|---|---|---|---|
| Grain-oriented electrical steel & amorphous corestight | manufacturer | disclosed | ArcelorMittal, Baosteel, Cleveland-Cliffs, JFE, Nippon Steel, POSCO | amorphous |
| Rare earths & permanent magnets | manufacturer | inferred | Arafura, Energy Fuels, Iluka, JL Mag, Lynas, MP Materials |
Where Proterial sits in the stack
Proterial's placements in this catalog cover 2 parts, all in layer 10, materials & upstream inputs. None of them currently carries a sourced supply constraint tag. Across these parts it overlaps with other companies most often on the lines below.
What these parts are
- Grain-oriented electrical steel & amorphous corestight — Grain-oriented electrical steel and amorphous metal alloy used to build the laminated cores inside power, distribution and instrument transformers.
- Rare earths & permanent magnets — Rare-earth elements and the permanent magnets made from them, used in motors and fans throughout the facility, from server and cooling fans to generator and turbine components.
Closest peers in this catalog
Questions about Proterial
- What does Proterial make for AI data centers?
- This catalog places Proterial on 2 parts: Grain-oriented electrical steel & amorphous cores (manufacturer) and Rare earths & permanent magnets (manufacturer).
- Is Proterial publicly traded?
- No listing is on file for Proterial in this catalog; it is recorded as private.
- Who else makes grain-oriented electrical steel & amorphous cores for AI data centers?
- ArcelorMittal, Baosteel, Cleveland-Cliffs, JFE, Nippon Steel and POSCO are also placed on Grain-oriented electrical steel & amorphous cores in this catalog.
- How well sourced are these placements?
- Every part→company placement carries a confidence tag. For Proterial the mix is 1 disclosed and 1 inferred. "disclosed" means the company or a filing says so; "reported" comes from trade press or a reference-design list; "inferred" is a lead from the taxonomy with no citation yet. Treat reported and inferred as leads, not facts.
Answers are generated from this catalog's own rows — see sources & method.