1. Scope

1.1 This specification covers the requirements for 29 grades of titanium and titanium alloy seamless pipe intended for general corrosion resisting and elevated temperature service as follows:

1.1.1 Grade 1Unalloyed titanium, low oxygen,

1.1.2 Grade 2Unalloyed titanium, standard oxygen,

1.1.3 Grade 3Unalloyed titanium, medium oxygen,

1.1.4 Grade 5Titanium alloy (6 % aluminum, 4 % vanadium),

1.1.5 Grade 7Unalloyed titanium plus 0.12 % to 0.25 % palladium, standard oxygen,

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

1.1.7 Grade 11Unalloyed titanium plus 0.12 % to 0.25 % palladium, low oxygen,

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

1.1.9 Grade 13Titanium alloy (0.5 % nickel, 0.05 % ruthenium), low oxygen,

1.1.10 Grade 14Titanium alloy (0.5 % nickel, 0.05 % ruthenium), standard oxygen,

1.1.11 Grade 15Titanium alloy (0.5 % nickel, 0.05 % ruthenium), medium oxygen,

1.1.12 Grade 16Unalloyed titanium plus 0.04 % to 0.08 % palladium, standard oxygen,

1.1.13 Grade 17Unalloyed titanium plus 0.04 % to 0.08 % palladium, low oxygen,

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

1.1.15 Grade 19Titanium alloy (3 % aluminum, 8 % vanadium, 6 % chromium, 4 % zirconium, 4 % molybdenum),

1.1.16 Grade 20Titanium alloy (3 % aluminum, 8 % vanadium, 6 % chromium, 4 % zirconium, 4 % molybdenum) plus 0.04 % to 0.08 % palladium,

1.1.17 Grade 21Titanium alloy (15 % molybdenum, 3 % aluminum, 2.7 % niobium, 0.25 % silicon),

1.1.18 Grade 23Titanium alloy (6 % aluminum, 4 % vanadium, extra low interstitial, ELI),

1.1.19 Grade 24Titanium alloy (6 % aluminum, 4 % vanadium) plus 0.04 % to 0.08 % palladium,

1.1.20 Grade 25Titanium alloy (6 % aluminum, 4 % vanadium) plus 0.3 % to 0.8 % nickel and 0.04 % to 0.08 % palladium,

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

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

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

1.1.24 Grade 29Titanium alloy (6 % aluminum, 4 % vanadium, extra low interstitial, ELI plus 0.08-0.14 % ruthenium),

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

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

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

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

1.1.29 Grade 37Titanium alloy (1.5 % aluminum).

1.2 &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

E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications

E539 Test Method for Analysis of Titanium Alloys by X-Ray Fluorescence Spectrometry

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

ANSI/ASME Standards

Keywords

pipe; seamless pipe; titanium; titanium alloy;

ICS Code

ICS Number Code 77.150.50 (Titanium products)

DOI: 10.1520/B0861-05

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