ASTM B338 / B861 Titanium Seamless Tube & Pipe (Gr1, Gr2, Gr5, Gr9)

ZHUOKE Material manufactures and supplies high-performance titanium seamless tubing and piping according to ASTM B338, ASTM B861, and DIN 17861 standards. Covering commercial pure titanium (Gr1, Gr2, Gr3) and high-strength titanium alloys (Gr5, Gr7, Gr9, Gr12), our cold-rolled seamless pipes are widely used in aerospace, heat exchangers, chemical processing, and custom bicycle frame building.

 

Grade (UNS)	Applicable Standards	Key Features & Primary Applications
Ti Grade 1 (R50250)	ASTM B338 / B861, W.Nr. 3.7025	Highest ductility, excellent cold forming, for heat exchangers.
Ti Grade 2 (R50400)	ASTM B338 / B861, W.Nr. 3.7035	Most widely used CP grade, high corrosion resistance in marine/chem.
Ti Grade 5 (R56400)	ASTM B861, W.Nr. 3.7165	Ti-6Al-4V high strength, used in aerospace, racing & structural parts.
Ti Grade 9 (R56320)	ASTM B338 / B861, W.Nr. 3.7195	Ti-3Al-2.5V, superior fatigue strength, preferred for bike tubing.
Ti Grade 7 / 12	ASTM B338 / B861	Pd/Mo-Ni alloyed for extreme acid/chemical corrosion environments.

 

Type	Outer Diameter (OD)	Wall Thickness (WT)	Max Length	Standard
Seamless Tubing	3.0 mm – 89.0 mm	0.5 mm – 8.0 mm	18,000 mm	ASTM B338, DIN 17861
Seamless Pipe	21.3 mm – 508.0 mm	1.5 mm – 30.0 mm	14,000 mm	ASTM B861, ASME SB861