The U.S. Commerce Department will carry out a five-yearly review of duty orders on silico manganese exports from China and Ukraine. An expedited review could take six months, and comes against the backdrop of the as-yet unpublished section 232 “national security” review of the whole steel industry. Imports from China and Ukraine in the past five years have been de minimis. However, total American imports have surged, climbing by as much as 79% on a year earlier in the third quarter. That was likely driven by shipments from South Africa, which jumped 160% in the quarter to July 31. Demand...