Nippon Sanyo Special Steel

Nippon Sanyo Special Steel is a steel plant in Japan with a reported capacity of 1,596,000 t of steel. It produces crude steel from iron ore (blast furnace) or scrap (electric arc furnace). It is operated by Sanyo Special Steel Co Ltd. By capacity it ranks #15 of 40 steel plants tracked in Japan. It emits about 92,301 tonnes of CO₂e per year (Climate TRACE) — roughly the tailpipe emissions of 21,515 cars. Its CO₂ per unit of capacity is about 89% below the median steel plant.

Facility data: Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0), id ct-1566929.

文脈内で：この施設がどのように比較されるか

1,596,000 t of steelで、Nippon Sanyo Special SteelはJapanのsteel plantの中央値はるかに上 973,658 t of steelです。 サブセクター：iron-and-steel。 steel plantとして、その中核的な産業操業に対して激しいプロセス熱（通常800–1500°C）が必要です。この熱はボイラー、炉、または直接燃焼によって供給される必要があり、未断熱容器および配管からの損失は無駄な燃料を表します。モジュール式脱着可能な断熱は、これらの損失を80～96%削減でき、表面を≤45°Cに冷却でき、回収期間は通常2年未満です。 製鉄所は高炉で石炭を燃焼させるか、電気アークを使用してスクラップを溶融します。どちらの場合でも溶融金属は1,500°C以上に保つ必要があり、広範な高温配管および容器を通じて転送されます。

容量およびCO₂強度の比較はClimate TRACEの産業施設データから計算されました。セクターの役割は工学リファレンスに基づいています。

What 92,301 t CO₂e a year looks like

This facility's reported annual CO₂e in the everyday equivalents from the US EPA Greenhouse Gas Equivalencies calculator:

Equivalencies: US EPA Greenhouse Gas Equivalencies. Emissions: Climate TRACE.

Capacity vs largest steel plants in Japan

Reported capacity (t of steel), Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0).

Operator

Operated by Sanyo Special Steel Co Ltd. All facilities by this operator →

Local climate

Nippon Sanyo Special Steel sits in a humid subtropical climate zone (Köppen Cfa), at 34.8°N in the northern hemisphere.

Köppen zone: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid).

How it compares & nearby sites

The #15 largest of 40 steel plants in Japan by reported capacity.

Nearby industrial sites

• Godo Steel Himeji Works · Steel Plant · 28,916 t CO₂
• JFE Bars & Shapes Himeji Works steel plant · Steel Plant · 52,049 t CO₂
• Shiotani Industry Inc. · Textiles · 630 t CO₂
• Nippon Setouchi Works (Hirohata Area) steel plant · Steel Plant · 3,541,361 t CO₂
• Yamato Steel Himeji Plant · Steel Plant · 40,483 t CO₂
• Seiban Limited. · Textiles · 630 t CO₂

Location

Coordinates 34.7884, 134.67168. View on OpenStreetMap.

Heat loss & insulation profile

A steel plant like this runs hot equipment that sheds heat continuously: reheat & annealing furnaces, ladles, hot-blast stoves, steam & gas ducting (surface/process temperatures around 200–1,200 °C). These surfaces lose energy to the air year-round; removable modular insulation cuts that loss, brings outer surfaces to ≤45 °C, and unclips for inspection.

Indicative recoverable energy

On an already-insulated site (pipes & valves in cladding / jackets), closing the remaining gaps, flanges and damaged sections and switching to removable covers indicatively recovers about 3,600 MWh/yr (≈ 1,200 t CO₂/yr) — scaled to this site's reported CO₂ within its sector. Bare or damaged surfaces recover several times more.

See Inzonex insulation → Estimate your site →

Indicative, not a measurement. Conservative floor for an already-insulated plant; a TIPCHECK on-site audit gives a measured figure. Industry context: EiiF TIPCHECK — industrial insulation can save ~14 Mtoe/yr in EU, payback typically <2 years.

Safety & the no-regret first step

Bare hot surfaces here exceed the touch-safe limit (EN ISO 13732-1); insulation to ≤45 °C is a worker-safety and compliance win. And before electrification, fuel-switching or CCS, eliminating surface heat loss is the cheapest, fastest, lowest-risk step — audit the bare spots first, rip-and-replace later.

Japan: funding & obligation

Funding. Subsidies to cut upfront cost of energy-saving equipment for industry/commercial; some tied to 'specified business operator' status + S/A benchmark class.

Obligation. Factories/operators with large energy use are designated 'specified business operators': must appoint energy managers, report, and file mid-to-long-term efficiency plans. (applies as a rule above the stated threshold — we don't hold this site's metered energy use).

Verified 2026; confirm current scheme terms before applying.

Frequently asked questions