open-climate.aiFactors

Emission factor from worldsteel

Crude steel - All production routes

World · Cradle to gate · 2024 onwards

Each kilogram from 2024 counts as 2.18 kg CO₂e up to the factory gate.

Value from 2024 onwards

2.18kgCO₂e/kg

Fossil only · GWP100 · GWP vintage not stated

FossilBio CH₄Land useBio CO₂EN 15804 GWP-fossil
2024–
Default: the latest year+13.5% on 2023
Region
World GLOBAL
Boundary
Cradle to gate
Data quality
MediumRated by us, not by the source
Licence
Open · worldsteel terms

Where 2.18 comes from

Published as one number

worldsteel prints this factor as a single figure, with no parts to add up and no split by gas.

Reporting this kilogram under the GHG Protocol

3.1 Goods we buy 2.18

Goods and services you buy are Scope 3, category 1, purchased goods and services.

CiteAPI

The factor, standardised

Every factor on open-climate.ai answers the same questions in the same words, whatever the publisher. Open any ⓘ for the definition.

Materials › Metals · World · per kg · Average

Cradle to gate · Fossil only

Boundary
Cradle to gate
Raw materials, inbound transport, fuel supply, fuel combustion, manufacturing, packaging and purchased energy
GWP method
Not stated by the publisher
CO₂e basis
Fossil onlyFossilBio CH₄Land useBio CO₂EN 15804 GWP-fossil
Not split by gas; CO₂e only
Life cycle
Upstream: coveredProduction: coveredDownstream: not coveredEnd of life: not covered

Medium quality · Open licence · 2007 to now

All values

19 values: 2 methods over 18 periods back to 2007. Tap a bar.

2024 onwards · Unknown2.18Default value

kgCO₂e per kg, by year, for unknown. Pick a year to read it.

What this number covers

What worldsteel counts in the figure for one kilogram, phase by phase.

  1. Upstream

    • Transport to the plant
    • Raw materials
    • Fuel supply chain
    Included

  2. Production

    • Fuel combustion
    • Manufacturing
    • Packaging
    • Purchased electricity and heat
    Included

  3. Your record

    1 kg in your records. The factor is per kg.

    = 2.18

Outside this boundary

  • Installation
  • Maintenance
  • Transport to the border
  • Retail
  • Use
  • End of life
  • Recycling credit

worldsteel does not count any of this in the figure for one kilogram.

From worldsteel's record to a comparable factor

worldsteel publishes this factor as one record. Here is each field as printed and what open-climate.ai made of it.

About this factor

worldsteel gives no description for this factor.

Source and licence

Publisher
World Steel Association (worldsteel)
Library
worldsteel 2025
Published
1 February 2026
Open the record at worldsteel
worldsteel's terms of use Open

The values and their metadata are served in full and may be reused with credit to the publisher.

The websites and components (trademarks, logos, graphics, photos, animations, videos, music, texts, etc.) are the property of worldsteel. They are protected by intellectual property rights (including copyright, design rights, trademarks, etc.) and may not be reproduced, used or distributed without the prior written consent of worldsteel or, as the case may be, the relevant right holder
Credit it with this lineSource: World Steel Association (worldsteel)
A plain reading of the licence, not legal advice. The licence text prevails.

Cite this factor

Source: World Steel Association (worldsteel). Normalised by open-climate.ai, https://open-climate.ai/factors/libraries/worldsteel/ (CC BY 4.0). https://open-climate.ai/factors/ef-worldsteel-crude_steel_all-global-kg-cradle_to_gate-a3aaeb9f/?v=efv1-43df66cd1c86a6b7efa4bb5b11a5c402

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