ASTM B338

ASTM B338

Seamless and Welded Titanium and Titanium Alloy Tubes for Condensers and Heat Exchangers

The standard ASTM B338 is the industry standard for the production of titanium tubes for use in applications including: heat exchangers, condensers and evaporators. It is the most commonly used standard worldwide when specifying titanium tubing.

The standard is used to specify titanium tubes irrespective of form (Seamless Tubing or Welded Tubing). A previously available separate standard ASTM B337 existed for the specification of tubes outside of the applications at the focus of ASTM B338 however has now been withdrawn in favor of two separate standards (ASTM B861 and ASTM B862) which treat the separate forms (Seamless / Welded) in differing ways

Chemical Composition​

The specification covers the grades of titanium and to manufacturer to a the following given set of chemical content and limits for the particular grade. 

Mechanical Properties

Dimensions Tolerances

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