- The chemical composition of titanium and titanium alloy pipes shall comply with the provisions of GB/T3620.1. When the purchaser retests, the allowable deviation of the chemical composition of Mingkun Titanium Industry shall comply with the provisions of GB/T3620.2.
- The allowable deviation of the outer diameter of the pipe shall comply with the provisions in Table 1.
- The allowable deviation of pipe wall thickness should not exceed ± 12.5% of its nominal wall thickness, and the allowable deviation of pipe wall thickness does not apply to the weld seam of titanium welded pipes.
- The length of the pipe should comply with the provisions in Table 2.
- The fixed length or double length of the pipe should be within its indefinite length range, with an allowable deviation of+10mm for the fixed length. The double length should also be included in the cutting amount of the pipe when it is cut, and each cutting amount should be 5mm.
