(1) Chinese national standard: Titanium tube Titanium alloy pipe: GB / T3624-2007 fuse and condenser with titanium and titanium alloy tube: GB / T3625-2007

Titanium tube titanium alloy pipe: ultrasonic testing methods: GB / T12969.1-1991 titanium and titanium alloy pipe eddy current test method: GB / T12969.2-1991

(2) the United States

skills requirement:

1, titanium and titanium alloy chemical composition should be combined GB / T3620.1 requirements

2, the pipe wall thickness of the allowable deviation should not exceed its nominal wall thickness of ± 12.5%, pipe wall thickness tolerance does not apply to the titanium welded pipe at the weld.

3, the length of the pipe length should be re-fixed length of its length, the length of the allowable deviation of the length of ± 10mm, the length of the length should also be included in the tube

Cut the amount of cut, the amount of each cut should be 5mm.