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 1Unalloyed titanium,

1.1.2 Grade 2Unalloyed titanium,

1.1.3 Grade 3Unalloyed titanium,

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

1.1.23 Grade 37Titanium alloy (1.5 % aluminum).

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

1.3 &inch-pound-units;

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 Direct Current Plasma and Inductively Coupled Plasma Atomic Emission Spectrometry (Performance-Based Test Methodology)

E2626 Guide for Spectrometric Analysis of Reactive and Refractory Metals

Keywords

seamless tubing; titanium; titanium alloy; tubing; welded/cold worked tubing; welded tubing;

ICS Code

ICS Number Code 23.040.15 (Non-ferrous metal pipes)

DOI: 10.1520/B0338-05

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