ASTM-B338 2013(Redline)

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B338-13 Standard Specification for Seamless and Welded Titanium and Titanium Alloy Tubes for Condensers and Heat Exchangers (Redline)

Published By	Publication Date	Number of Pages
ASTM	2013	10

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Description

Abstract

This specification covers 28 grades of seamless and welded titanium alloy tubes for surface condensers, evaporators, and heat exchangers. Seamless tube shall be made from hollow billet by any cold reducing or cold drawing process that will yield a product meeting the requirements prescribed. Welded tube shall be made from flat-rolled product by an automatic arc-welding process. The welded tube shall be sufficiently cold worked to final size in order to transform the cast weld microstructure into a typical equiaxed microstructure in the weld upon subsequent heat treatment. The titanium shall conform to the chemical requirements prescribed. The room temperature tensile properties of the tube in the condition normally supplied shall conform to the requirements prescribed. Tubing shall withstand, without cracking, flattening under a load applied gradually at room temperature until the distance between the load platens is not more than the required height. Welded tube shall be subjected to a reverse flattening test in accordance with supplement II of test methods and definitions A 370. Welded tubing shall be tested using both a non-destructive electromagnetic test and an ultrasonic test method. Seamless and welded/cold worked tubing shall be tested using an ultrasonic test method. Welded tubing shall be tested with a hydrostatic or pneumatic test method. Seamless tubing shall be tested with an electromagnetic or hydrostatic or pneumatic test method.

This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

1. Scope

1.1 This specification ² covers the requirements for 28 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,

1.1.2.1 Grade 2H— Unalloyed titanium (Grade 2 with 58 ksi minimum UTS),

1.1.3 Grade 3— Unalloyed titanium,

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

1.1.4.1 Grade 7H— Unalloyed titanium plus 0.12 to 0.25 % palladium (Grade 7 with 58 ksi minimum UTS),

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,

1.1.11.1 Grade 16H— Unalloyed titanium plus 0.04 to 0.08 % palladium (Grade 16 with 58 ksi minimum UTS),

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,

1.1.14.1 Grade 26H— Unalloyed titanium plus 0.08 to 0.14 % ruthenium (Grade 26 with 58 ksi minimum UTS),

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),

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

1.1.24 Grade 38— Titanium alloy (4 % aluminum, 2.5 % vanadium, 1.5 % iron), and

1.1.25 Grade 39— Titanium alloy (0.25 % iron, 0.4 % silicon).

Note 1 — H grade material is identical to the corresponding numeric grade (that is, Grade 2H = Grade 2) except for the higher guaranteed minimum UTS, and may always be certified as meeting the requirements of its corresponding numeric grade. Grades 2H, 7H, 16H, and 26H are intended primarily for pressure vessel use. The H grades were added in response to a user association request based on its study of over 5200 commercial Grade 2, 7, 16, and 26 test reports, where over 99 % met the 58 ksi minimum UTS.

1.2 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

Additional information

Standard Title	B338-13 Standard Specification for Seamless and Welded Titanium and Titanium Alloy Tubes for Condensers and Heat Exchangers (Redline)
Published Code	ASTM
Publication Date	2013
Pages Count	10

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