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Production Standard of Titanium Pipe
author:Admin    date:04/16     Number of Attentions:238    
1. Reference criteria
(1) TENSION TEST METHOD OF GB 228 METAL
(2) GB 224 Metal Pipe Hydraulic Test Method
(3) Flattening Test Method of GB 226 Metal Tube
(4) GB/T3620.1 Titanium and Titanium Alloys Brand and Chemical Composition
(5) Allowable deviation of chemical composition and composition of GB/T3620.2 titanium and titanium alloy processed products
2. Technical requirements
(1) The chemical composition of titanium and titanium alloy tubes should comply with GB/T3620.1. When the prescription is re-examined, the allowable deviation of chemical composition of Mingkun titanium industry should comply with GB/T3620.2.
(2) The allowable deviation of pipe outer diameter shall conform to Table 1.
(3) The allowable deviation of pipe wall thickness should not exceed (+12.5) of its nominal wall thickness. The allowable deviation of pipe wall thickness is not suitable for the weld of titanium welded pipe.
(4) The length of the pipe shall conform to Table 2.
(5) The length of fixed length or double length of pipe should be within the range of fixed length. The allowable deviation of fixed length is + 10mm. The length of double length should also include the amount of incision when cutting the pipe, and the amount of each incision should be 5mm.
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