Staff at two of Corus' main UK plants have agreed to see their pay cut by as much as 11.5% as a result of a reduction in shift premiums.
The move will affect 1,000 workers at the firm's Scunthorpe steelworks, and 400 at its facility on Teesside.
Corus said that while basic wages were unaffected, staff were losing some of the premiums paid for anti-social shifts such as working overnight.
The move comes as Corus has cut back production due to falling steel sales.
Last week, unions at Corus rejected a UK-wide 10% cut in wages.
Corus was bought last year by India's Tata.
Read the full story at BBC News