2009 Scion xB High-Strength Steel (HSS) in Extrication August 19, 2009 Comments Off on 2009 Scion xB High-Strength Steel (HSS) The 2009 Scion xB uses several different grades of High-Strength Steel (HSS) in the body structure. No Ultra-high Strength Steel. Extrication Firefighter HSS Scion 2009-08-19 Smitty