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 (purchase separately) 
The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ASTM Standards
A370 Test Methods and Definitions for Mechanical Testing of Steel Products
E8 Test Methods for Tension Testing of Metallic Materials
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E1409 Test Method for Determination of Oxygen and Nitrogen in Titanium and Titanium Alloys by the Inert Gas Fusion Technique
E1447 Test Method for Determination of Hydrogen in Titanium and Titanium Alloys by Inert Gas Fusion Thermal Conductivity/Infrared Detection Method
E1941 Test Method for Determination of Carbon in Refractory and Reactive Metals and Their Alloys by Combustion Analysis
E2371 Test Method for Analysis of Titanium and Titanium Alloys by Atomic Emission Plasma Spectrometry
E2626 Guide for Spectrometric Analysis of Reactive and Refractory Metals
Keywords
seamless tubing; titanium; titanium alloy; tubing; welded/cold worked tubing; welded tubing ; Condenser and heat exchanger systems--titanium/titanium alloy; Palladium (titanium plus palladium)--specifications; Titanium alloy pipe/tube--specifications; Titanium plus palladium--specifications; Titanium (Ti)/alloys--specifications; UNS R50250 (Ti, unalloyed); UNS R50400 (Ti, unalloyed); UNS R50700 (Ti, unalloyed); UNS R52250 (Ti, low-alloyed); UNS R52400 (Ti, low-alloyed); UNS R53400 (Ti alloy); UNS R54520 (Ti alloy); UNS R56320 (Ti alloy); UNS R58030 (Ti alloy); Welded Ti/Ti alloy--specifications; UNS R50550 (Ti, unalloyed)
ICS Code
ICS Number Code 23.040.15 (Non-ferrous metal pipes)
DOI: 10.1520/B0338-05B
ASTM International is a member of CrossRef.
Citing ASTM Standards
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