Titanium tube production of technical requirements which?
The allowable deviation of the wall thickness of the pipe shall not exceed ± 12.5% of its nominal wall thickness and the allowable deviation of the wall thickness of the pipe shall not apply to the weld of the titanium welded pipe
The allowable deviation of the outer diameter of the pipe shall be in accordance with Table 1
Titanium and titanium alloy chemical composition should be consistent with the provisions of GB / T3620.1, to be re-inspection, Ming-kun titanium chemical composition of the allowable deviation in line with GB / T3620.2
The length of the pipe shall be in accordance with Table 2
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, double the length of the pipe should also be included in the cut when the cut, the amount of each cut should be 5mm. (Mm) outside diameter 3 to 10> 10 to 30> 30 to 50> 50 to 80> 80 to 100> 100 Permissible deviation ± 0.15 ± 0.30 ± 0.50 ± 0.65 ± 0.75 ± 0.85 Table Length of pipe (mm) Titanium seamless pipe Diameter ≤15 Length of length 500 ~ 400 15 500 ~ 900 Titanium pipe wall thickness 0.5 ~ 1.25 500 ~ 1500 1.25 ~ 2.0 500 ~ 6000 Titanium welding - Rolling pipe wall thickness 2.0 to 2.5 500 to 4000 0.5 to 0.8 500 to 8000 & gt; 0.8 to 2.0 500 to 5000
