Product name
Low alloyed steel, aluzinc; galvanized, at plant; 43% zinc, 55% aluminium and 2% silicon; galvanized layer amounts to 6% of steel mass; 96% primary material, 4% recycled material
Reference flow
1 kg
System boundaries
Cradle-to-gate. Starts with the production of raw material (pig iron) and ends with galvanization of steel parts.
Wastes and end-of-life
Processing waste is included, EoL waste of the steel not accounted for.
Use advice of the dataset
This dataset should be used to model the use of steel produced in Europe and uses ecoinvent 3.8 processes in the background. More precisely,
· For both steel processing technologies (oxygen blast furnace and electric converter), the raw material (pig iron) production and the galvanization process, the ecoinvent processes have been adjusted to European heat and electricity inputs.
· The shares of recycled and virgin materials are adjusted based on the use of technologies in the country (World steel association, 2021).
The dataset generator kindly invites LCA practitioners to share their dataset, if they claim to have a better dataset for this reference product.
Technology description
The share of recycled and virgin materials is based on the use of production technologies in Europe (oxygen blast furnace used for recycled material and electric converter used for virgin material) based on statistics from World Steel Association (2021). For further description of the technologies, see the description of the ecoinvent datasets.
Quality level
Fair
Location
Europe
Geographical representativeness description
Global and RoW ecoinvent processes for steel production technologies adjusted to represent European production.
Quality level
Good
Reference year
2021
Time representativeness description
Elements modified from the ecoinvent datasets are based on yearly World Steel published data, representative for 2020.
Time quality level
Good
LCI method principle
Attributional
Other comments on methods approaches
See documentation of the ecoinvent processes for further details about the modified datasets.
Cut off for mass or energy flows
Data treatment and extrapolations principles
See documentation of the ecoinvent processes for further details about the modified datasets.
Data collection period
Data set generator
Irmeline de Sadeleer
References
World Steel Association, word steel in figures 2021
Silva, de Sadeleer & Rønning (2021). EPD data to LCA.no. CF, CCF and CCCF Panel Switchgears. OR.29.21
Access and use restrictions
Open