ASTM B338-05b - 1.5.2005
 
1. Scope

1.1 This specification covers the requirements for 23 grades of titanium and titanium alloy tubing intended for surface condensers, evaporators, and heat exchangers, as follows:

1.1.1 Grade 1—Unalloyed titanium,

1.1.2 Grade 2—Unalloyed titanium,

1.1.3 Grade 3—Unalloyed titanium,

1.1.4 Grade 7—Unalloyed titanium plus 0.12 to 0.25 % palladium,

1.1.5 Grade 9—Titanium alloy (3 % aluminum, 2.5 % vanadium),

1.1.6 Grade 11—Unalloyed titanium plus 0.12 to 0.25 % palladium,

1.1.7 Grade 12—Titanium alloy (0.3 % molybdenum, 0.8 % nickel),

1.1.8 Grade 13—Titanium alloy (0.5 % nickel, 0.05 % ruthenium),

1.1.9 Grade 14—Titanium alloy (0.5 % nickel, 0.05 % ruthenium),

1.1.10 Grade 15—Titanium alloy (0.5 % nickel, 0.05 % ruthenium),

1.1.11 Grade 16—Unalloyed titanium plus 0.04 to 0.08 % palladium,

1.1.12 Grade 17—Unalloyed titanium plus 0.04 to 0.08 % palladium,

1.1.13 Grade 18—Titanium alloy (3 % aluminum, 2.5 % vanadium) plus 0.04 to 0.08 % palladium,

1.1.14 Grade 26—Unalloyed titanium plus 0.08 to 0.14 % ruthenium,

1.1.15 Grade 27—Unalloyed titanium plus 0.08 to 0.14 % ruthenium,

1.1.16 Grade 28—Titanium alloy (3 % aluminum, 2.5 % vanadium) plus 0.08 to 0.14 % ruthenium,

1.1.17 Grade 30—Titanium alloy (0.3 % cobalt, 0.05 % palladium),

1.1.18 Grade 31—Titanium alloy (0.3 % cobalt, 0.05 % palladium),

1.1.19 Grade 33—Titanium alloy (0.4 % nickel, 0.015 % palladium, 0.025 % ruthenium, 0.15 % chromium),

1.1.20 Grade 34—Titanium alloy (0.4 % nickel, 0.015 % palladium, 0.025 % ruthenium, 0.15 % chromium),

1.1.21 Grade 35—Titanium alloy (4.5 % aluminum, 2 % molybdenum, 1.6 % vanadium, 0.5 % iron, 0.3 % silicon),

1.1.22 Grade 36—Titanium alloy (45 % niobium), and

1.1.23 Grade 37—Titanium alloy (1.5 % aluminum).

1.2 Tubing covered by this specification shall be heat treated by at least a stress relief as defined in 5.3.

1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

 
2. Referenced Documents

E8-04

Standard Test Methods for Tension Testing of Metallic Materials

A370-26

Standard Test Methods and Definitions for Mechanical Testing of Steel Products

E2371-21a

Standard Test Method for Analysis of Titanium and Titanium Alloys by Direct Current Plasma and Inductively Coupled Plasma Atomic Emission Spectrometry (Performance-Based Test Methodology) (Includes all amendments and changes 1/6/2022).

E1941-10(2024)

Standard Test Method for Determination of Carbon in Refractory and Reactive Metals and Their Alloys by Combustion Analysis

E2626-25

Standard Guide for Spectrometric Analysis of Reactive and Refractory Metals

E1447-22

Standard Test Method for Determination of Hydrogen in Reactive Metals and Reactive Metal Alloys by Inert Gas Fusion with Detection by Thermal Conductivity or Infrared Spectrometry

E1409-13(2021)

Standard Test Method for Determination of Oxygen and Nitrogen in Titanium and Titanium Alloys by Inert Gas Fusion

E29-22

Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications