Paramedics were called to the BlueScope facility at 10.20am and called an air ambulance to the scene.
A Country Fire Authority spokesperson confirmed an industrial accident had occurred but did not have further details.
BlueScope operates a painted, coated and uncoated steel processing facility at Hastings on Western Port Bay.
Hastings is a town on the Mornington Peninsula about, 58km south-east of Melbourne’s CBD.
WorkSafe is investigating.
