Vacuum Chamber Vacuum Chamber Specification: Material of Construction:Stainless Steel 304/304L /316L/Mild Steel ISO2062/Carbon Steel SA516 Grade70/Aluminium 60 Series and 50 Series.Finish:Buff / Electro Polish.Leak Test:1×10-9 mbar l/sShape: Cylindrical/D Shape/Box Type/Spherical/Customized Chambers.