... over a wide temperature range and excellent resistance to many corrosive environments. Alloy 400 is widely ... .- Hydrofluoric acid resistant in all concentrations up to the boiling point.- More oxidizingattack resistant than ... ÜV 263 (Sheet, Plate, Bar, and Tubing), QQ-N-281 (Plate, Sheet, Strip, Bar, Rod, Wire, ... Plate), DIN 17750 (Plate, Strip and Sheet), QQ-N-281 (Plate, Sheet, Strip, Bar, Rod, Wire, ...