What POSCO makes for data centers
public · HQ South Korea
POSCO is a publicly listed company and based in South Korea. It appears on 1 part of the AI data center — Grain-oriented electrical steel & amorphous cores — in the role of manufacturer. That part sits in Layer 10 — Materials & upstream inputs. Its shares trade on Korea Exchange (KOSPI) as 005490.KS.
Listing
Korea Exchange (KOSPI): 005490.KS· 275500 KRW -3.84% · mkt cap 20.83T KRW
Snapshot 2026-10-25T10:41:17Z — nightly, not real-time.· Chart on TradingView ↗
Exposure
1 part 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 | inferred | ArcelorMittal, Baosteel, Cleveland-Cliffs, JFE, Nippon Steel, Shougang |
Where POSCO sits in the stack
POSCO's placements in this catalog cover 1 part, 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.
Closest peers in this catalog
Latest feed
- Samsung SDI builds dual-track battery strategy with LFP supply deal, solid-state push — DigiTimes, 2026-10-07Samsung SDI is pursuing a dual-track battery strategy involving an LFP supply deal while simultaneously pushing for solid-state battery development.
Questions about POSCO
- What does POSCO make for AI data centers?
- This catalog places POSCO on 1 part: Grain-oriented electrical steel & amorphous cores (manufacturer).
- Is POSCO publicly traded?
- Yes — POSCO is listed on Korea Exchange (KOSPI) under 005490.KS. Prices shown on this page are a nightly snapshot, not real-time, and nothing here is investment advice.
- Where is POSCO based?
- South Korea, per the company record in this catalog.
- Who else makes grain-oriented electrical steel & amorphous cores for AI data centers?
- ArcelorMittal, Baosteel, Cleveland-Cliffs, JFE, Nippon Steel and Shougang 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 POSCO the mix is 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.