Standard accessories http://t.co/Jmi2X6rd

In several metallurgic processes, an oxygen-free atmosphere is fundamental in order to avoid the development of oxides.
Nitrogen is widely used in the following thermical treatments:
-
Annealing of steel, copper, aluminium and other metals and alloys.
-
Sintering of steel and aluminium.
-
Protection during brazing, cutting and welding.
-
Hardening of steel in vaccum furnaces.










Caffè Vergnano