As we all know, titanium pipes are divided into seamless pipes and titanium welded pipes. The most commonly used seamless pipe standards are the following two: ASTM B338, ASTM B861, and welded pipe standards are ASTM B862.
ASTM B338：ASTM B 338-2008
ASTM B861：ASTM B 861-2008,seamless pipe
ASTM B862：ASTM B 862-2008 welded pipe