ASTM B861-19,Standard Specification for Titanium and Titanium Alloy Seamless Pipe.
This specification covers the requirements for 34 grades of titanium and titanium alloy seamless pipe intended for general corrosion resisting and elevated temperature service.
Tensile Requirements
The tensile properties of the pipe, in the condition specified, shall conform to the room temperature requirements of Table 5. Mechanical properties for other conditions may be established by written agreement between the manufacturer and the purchaser.
Permissible variations in Dimensions
A system of standard pipe sizes approved by ANSI as American National Standard for Stainless Steel Pipe (ANSI/ASME B36.19M-1985) reproduced as Table 2 shall apply.
The finished pipe shall have smooth ends, be free of burrs, and shall be free of injurious external and internal imperfections of a nature that will interfere with the purpose for which it is intended. Minor defects may be removed providing the dimensional tolerances of Section 9 are not exceeded. Unless otherwise specified, the pipe shall be furnished free of scale.

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