On Friday, the Thai parent company was granted an application to wind up its UK arm.
It came after the announcement earlier in the week that the plant on Teesside was to be mothballed with the loss of 1,700 jobs.
The coke ovens are essential for any future steel making on the site.
In a statement, the Insolvency Service said: "The liquidator is working to ensure measures are taken to ensure the Redcar coke ovens continue to operate over the weekend whilst the position and interest in the business is assessed.
"A consequence of the liquidation is that all employees have been made redundant although measures will be taken to ensure sufficient staff are retained to operate the coke ovens and manage the site in a safe manner.