1. The chemical composition of titanium and titanium alloy pipe should meet the requirements of GB / T3620.1, the demand side re-inspection, Ming Kun titanium chemical composition of the allowable deviation in line with GB / T3620.2 requirements.
2. Allowable deviation of pipe diameter should be in accordance with Table 1.
3. The allowable deviation of the wall thickness of the pipe shall not exceed ± 12.5% of its nominal wall thickness. The permissible deviation of the pipe wall thickness shall not apply to the weld of the titanium welded pipe.
4. The length of the pipe shall be in accordance with Table 2.
5. The length of the pipe or the length of the pipe shall be within the length of the length of the length of the length of the length of the allowable deviation of the length of +10 mm, the length of the pipe should also be included in the cutting cut when the amount of cut, the amount of each cut should be 5mm The
Distinction: the basic distinction does not come out, although the density of TC4 heavier, but this can not be used as a standard. But pure titanium tube to drink TC4 tube processing technology is not the same, pure titanium are through the tube, TC4 can not wear, only mechanical processing