US steel mills saw shipments fall 13.7% in September compared with the month prior, according to data from the American Iron and Steel Institute.

Shipments in September totaled 7.23 million net tons, down from 8.38 million net tons in August. September figures were also 9% lower than the 7.95 million net tons shipped in the same month last year.

However, year-to-date figures show that steel shipments increased 7.6% to 73.63 million net tons over the same period in 2011.

Crude steel production hit its lowest utilisation rate in the year, hitting 67.9% in the week ended October 27, AISI noted. Crude steel capacity utilization in September was also at its lowest monthly total in the year, hitting 70.4%.

Major changes by product in September compared to August include cold-rolled coil, which slid 6%; hot-dipped galvanized coils, which fell 11%; and hot-rolled coil, which plunged 22%.

This report was first published by American Metal Market.