ASME SB 163 pdf download SPECIFICATION FOR SEAMLESS NICKEL AND NICKEL ALLOY CONDENSER AND HEAT-EXCHANGER TUBES 4.1.4 Dimensions——Outside diameter，minimum oraverage wall thickness (in inches,not gage number),andlength. 4.1.5Fabrication Operations:4.1.5.1 Cold Bending or Coiling.4.1.5.2 Packing. 4.1.5.3 Rolling or Expanding into Tube Sheets.4.1.5.4 Welding or Brazing——Process to beemployed. 4.1.5.5 Hydrostatic Test or Nondestructive Elec-tric Test—Specify type of test (6.5). 4.1.5.6Pressure Requirements——If other thanrequired...