welded pipe for semiconductor equipment:outer diameter:218/169/145mm

inner diameter:198/149/125mm

wall thickness:0.15mm wave pitch:1.8mm

total wave number:50-54

compression ratio:70%

extension ratio:20%

material:SUS 316L

vacuum leak ratio:1*10-10Pa·L/S

service life:1000000 :

Welded pipe for semiconductor equipment