Nickel tube ASTM B16 : Standard:ASTM B161 163 165 167 Sepcification:OD 12-114MM WT 0.5-15MM Length:<15000mm Nickel tube ASTM B16 :1)rademark:N4,N5,N6,N7,N02201,N02200 Monel alloy4003)Method:Cold-rolled,drawn,welding5)Condition:Y,MIt has high power vacuum performance,good corrosion resistance ,oxide cathode tube can be used as a core. nickel pipe