Material flow of iron in global supply chain

Kenichi Nakajima, Keisuke Nansai, Kazuyo Matsubae, Tetsuya Nagasaka

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Recently, the issue of sustainable management of resources has been increasingly recognized. Accordingly, the issue to understand the relationship between natural resources consumption and product supply chain in the world has been also increasing. Material flow analysis (MFA) is a useful tool to understand the resource consumption and material cycle in national economy. However, detailed MFA studies of the materials embedded in foreign trade flows are rare. This study identified global trade flow of iron embedded in every bilateral trade between 231 countries by multiplying the trade volume of the commodity in BACI (Base pour l'Analyse du Commerce International) database and the iron content of each commodity. Moreover, we focused on the case of Japan, China, and United State, and estimated each mass of iron embedded in the imports and export. The identified total flows of iron embedded in international trade is 1.15×109 t-Fe, and 35.2% of the flows is concentrated in three countries, which is Japan, China and United State known as crude steel production countries.

Original languageEnglish
Pages (from-to)750-755
Number of pages6
JournalTetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan
Volume100
Issue number6
DOIs
Publication statusPublished - 2014

Keywords

  • Input-output analysis
  • International trade
  • Iron and steel
  • Material flow analysis
  • Supply chain

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Metals and Alloys
  • Materials Chemistry

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