1.Welded metal bellows got ISO 2.Materail:304L,AM350,or 316L 3.Thickness:0.08mm-0.2mm 4.Vaccum Leak Rate:1x10^-10Pa.L/s Welded metal bellows are widely used in aerospace, vacuum industry, semiconductor industry, solar energy photovoltaic industry, medical equipments and synchronized radiation accelerator industry and so on.Products Test:Our factory is equipped with advanced numerical control ...