Common terms for Different Metals in Extrication July 2, 2009 Comments Off on Common terms for Different Metals Common terms for different metals: High-strength steel (HSS) Ultra-high-strength steel (UHSS) Aluminum (ALU) Boron steel (BOR) Hydroformed steel (HYD) Magnesium (MAG) Sandwiched steel (SAS) Boron Extrication Firefighter HSS Magnesium UHSS 2009-07-02 Smitty