Sumitomo Metal Mining Co., Ltd., commonly referred to as SMM, is a prominent player in the basic iron and steel industry, specialising in ferro-alloys and their first products. Headquartered in Japan, SMM operates extensively across Asia and beyond, contributing significantly to the global steel market since its establishment in 1950.
The company is renowned for its high-quality ferro-alloys, which are essential in steel production, and its innovative approach to mining and metallurgy. SMM's commitment to sustainability and technological advancement sets it apart in a competitive landscape. With a strong market position, the company has achieved notable milestones, including advancements in resource recycling and eco-friendly production methods, solidifying its reputation as a leader in the industry.
+4 vs industry average
Sumitomo Metal Mining’s score of 20 is lower than 47% of the industry. This can give you a sense of how well the company is doing compared to its peers.
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Industry Intensity
Iron and Steel Production is among the most carbon-intensive industries
Industry performance
The Iron and Steel Production industry has reduced its overall emissions by 27% since 2018
Emissions trajectory 2020 – 2027
Reported emissions
Scope 3 accounts for ••• of total emissions.
Sumitomo Metal Mining's reported carbon emissions
Sumitomo Metal Mining, a company in the basic iron and steel sector headquartered in Japan, has reported its greenhouse gas emissions for several years. In 2024, the company recorded total emissions of approximately 7.11 billion kg CO2e. This figure is comprised of Scope 1 emissions totalling around 1.72 billion kg CO2e, Scope 2 emissions of approximately 632 million kg CO2e, and Scope 3 emissions of about 4.95 billion kg CO2e. Within its Scope 3 reporting for 2024, purchased goods and services were the largest contributor at approximately 4.26 billion kg CO2e.
Looking back, in 2023, Sumitomo Metal Mining reported Scope 1 emissions of approximately 1.83 billion kg CO2e and Scope 2 emissions of around 726 million kg CO2e, with Scope 3 data not being disclosed for that year.
Prior to 2023, Sumitomo Metal Mining reported Scope 1 and 2 emissions annually. For instance, in 2022, Scope 1 and 2 emissions were approximately 2.82 billion kg CO2e. In 2021, this figure was about 2.65 billion kg CO2e, and in 2020, it was approximately 2.76 billion kg CO2e. In 2019, Scope 1 and 2 emissions totalled around 2.81 billion kg CO2e. Between 2015 and 2018, Scope 1 and 2 emissions remained in a similar range, with figures like 3.23 billion kg CO2e in 2015 and 2.81 billion kg CO2e in 2018.
Sumitomo Metal Mining's sustainability reports also provide some context on its climate commitments. However, specific quantitative reduction targets aligned with SBTi (Science Based Targets initiative) or a Climate Pledge were not detailed in the provided information. The company does reference its reporting on emissions intensity indices, such as a GHG emissions intensity index of 670.0 (tonne) in 2019 and an energy intensity index of 700.0 (tonne) in the same year, indicating a focus on improving efficiency.
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Sumitomo Metal Mining’s Climate Goals (2030 & 2050)
No climate goals have been disclosed for Sumitomo Metal Mining yet.
Scope 3 top emissions categories
8 of 15 categories disclosedSee all scope 3 categories
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Climate initiatives

Science Based Targets Initiative

Carbon Disclosure Project
The Climate Pledge
UN Global Compact Climate Champions initiative
RE 100
Climate Action 100
Emissions comparison with industry peers
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