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🔩市場とコスト

鋼 · 建築・船・レール・工具の鉄–炭素。何度でも溶かして使える。

Prices are bands. A 2024 coil is not a 2026 contract. Labour and certification often dwarf the commodity.

Producers listed are landmarks for orientation, not a ranking or a procurement list.

コスト帯

Rebar commodity

Lowest structural band

Global long-product market, highly cyclical.

Hot-rolled coil

Benchmark flat

HRC is the price everyone quotes; it is not a finished car part.

AHSS / coated

Auto premium

Dual-phase + zinc + bake-hardenable stacks add process cost.

Tool / bearing

Alloy premium

Vacuum-melted cleanliness is the bill, not the iron units.

Green-steel trial

Policy premium

Hydrogen-DRI tonnes still trade on certificates more than on mills’ list prices.

地域

East Asia

China, Japan, Korea dominate primary tonnes and auto sheet quality.

EU

Carbon-border talk plus specialty and stainless clusters (Nordics, Germany, Italy).

North America

EAF mini-mills plus remaining integrated plants; auto AHSS demand.

India

Fast-growing primary capacity and construction demand.

Middle East

DRI on cheap gas; export billets.

Africa / LATAM

Ore exporters (Brazil, Australia via seaborne) and local long products.

主要数字

~1.8–1.9 Gt / year (order of 2020s)World crude
EAF route ~30% of global crude, higher in USRecycled share
AHSS share of BIW rising each platform cycleAuto body
~2.9× aluminium — volume, not mass, is the design leverDensity vs Al

生産者

China Baowu

Largest crude-steel group by tonnes.

ArcelorMittal

Global flats, longs and mining footprint.

POSCO

Korean integrated mill; auto and electrical steels.

Nippon 鋼

Japanese high-spec sheet and plates.

Nucor

US EAF mini-mill model.

Tata 鋼

India + European operations, including IJmuiden heritage.

Ask for the route (primary, scrap, bio) before believing a green label.

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