All Carnegie Library of Pittsburgh locations will be closed on Wednesday, December 24, Thursday, December 25 and Thursday, January 1, 2015. In addition, the Library will close at
5 pm Wednesday, December 31, 2014.
BSI Standards List
BS 7S 80
High chromium-nickel corrosion resisting steel forging stock, bars, forgings and parts (880 to 1080 MPa: limiting ruling section 100 mm)