Rudder shaft material

Aug 26, 2012
11
Hunter Hunter 27 St-Blaise-sur-Richelieu
I have a Hunter 27, 2012 and I would like to know what is the material used for the shaft of the rudder. I know that some boats have it in composite material and others with stainless steel. can someone tell me which material was used for 2012 hunter 27?