BHP–China Baowu lower-emissions steel: blast furnace trials explained for engineers
Reviewed by Tom Sullivan

First reported on Australian Mining
30 Second Briefing
BHP and China Baowu Steel have extended their steel decarbonisation partnership for five years, focusing on trials of Pilbara iron ore in modified blast furnaces and piloting emerging steelmaking technologies. The renewed memorandum of understanding, building on a 2020 agreement, targets lower emissions from Baowu’s large-scale blast furnace fleet rather than a wholesale switch to scrap-based electric arc furnaces. For miners and steelmakers, the work will test how Pilbara ores perform under higher injection of alternative reductants and other furnace modifications without sacrificing throughput.
Technical Brief
- Trials are expected to stress-test furnace stability under altered burden mix and reductant injection regimes.
- Furnace lining wear rates and tuyere zone temperatures will be critical monitoring parameters during higher alternative reductant use.
- Gas off-take composition and calorific value will influence options for downstream carbon capture or gas recycling.
- Any deterioration in permeability or slag fluidity could cap achievable emissions reductions without derating furnace throughput.
Our Take
In our database of 1273 Mining stories, BHP is one of the few majors that appears simultaneously in sustainability-tagged Pilbara iron ore coverage and in copper growth pieces, signalling that its lower-emissions steel work with China Baowu is part of a broader portfolio-wide decarbonisation and diversification strategy rather than a single-commodity initiative.
Recent Pilbara coverage shows BHP trialling battery-electric haul trucks at Jimblebar, so pairing that mine-side decarbonisation with downstream steelmaking R&D with China Baowu suggests BHP is trying to demonstrate emissions reductions across the full iron ore-to-steel value chain, which may strengthen its position with Asian steel customers under tightening Scope 3 expectations.
Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.
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