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Norma ASTM B338-17(2021) 1.11.2021 náhled

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ASTM B338-17(2021)

Standard Specification for Seamless and Welded Titanium and Titanium Alloy Tubes for Condensers and Heat Exchangers

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NORMA vydána dne 1.11.2021

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Informace o normě:

Označení normy: ASTM B338-17(2021)
Datum vydání normy: 1.11.2021
Kód zboží: NS-1043727
Počet stran: 9
Přibližná hmotnost: 27 g (0.06 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM

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Anotace textu normy ASTM B338-17(2021) :

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.

Keywords:

seamless tubing, titanium, titanium alloy, tubing, welded/cold worked tubing, welded tubing,, ICS Number Code 23.040.15 (Non-ferrous metal pipes)

Doplňující informace

1. Scope

1.1?This specification1.1.1?Grade 1UNS R50250. Unalloyed titanium,

1.1.2?Grade 2UNS R50400. Unalloyed titanium,

1.1.2.1?Grade 2HUNS R50400. Unalloyed titanium (Grade 2 with 58 ksi (400 MPa) minimum UTS),

1.1.3?Grade 3UNS R50550. Unalloyed titanium,

1.1.4?Grade 7UNS R52400. Unalloyed titanium plus 0.12 to 0.25 % palladium,

1.1.4.1?Grade 7HUNS R52400. Unalloyed titanium plus 0.12 to 0.25 % palladium (Grade 7 with 58 ksi (400 MPa) minimum UTS),

1.1.5?Grade 9UNS R56320. Titanium alloy (3 % aluminum, 2.5 % vanadium),

1.1.6?Grade 11UNS R52250. Unalloyed titanium plus 0.12 to 0.25 % palladium,

1.1.7?Grade 12UNS R53400. Titanium alloy (0.3 % molybdenum, 0.8 % nickel),

1.1.8?Grade 13UNS R53413. Titanium alloy (0.5 % nickel, 0.05 % ruthenium),

1.1.9?Grade 14UNS R53414. Titanium alloy (0.5 % nickel, 0.05 % ruthenium),

1.1.10?Grade 15UNS R53415. Titanium alloy (0.5 % nickel, 0.05 % ruthenium),

1.1.11?Grade 16UNS R52402. Unalloyed titanium plus 0.04 to 0.08 % palladium,

1.1.11.1?Grade 16HUNS R52402. Unalloyed titanium plus 0.04 to 0.08 % palladium (Grade 16 with 58 ksi (400 MPa) minimum UTS),

1.1.12?Grade 17UNS R52252. Unalloyed titanium plus 0.04 to 0.08 % palladium,

1.1.13?Grade 18UNS R56322. Titanium alloy (3 % aluminum, 2.5 % vanadium) plus 0.04 to 0.08 % palladium,

1.1.14?Grade 26UNS R52404. Unalloyed titanium plus 0.08 to 0.14 % ruthenium,

1.1.14.1?Grade 26HUNS R52404. Unalloyed titanium plus 0.08 to 0.14 % ruthenium (Grade 26 with 58 ksi (400 MPa) minimum UTS),

1.1.15?Grade 27UNS R52254. Unalloyed titanium plus 0.08 to 0.14 % ruthenium,

1.1.16?Grade 28UNS R56323. Titanium alloy (3 % aluminum, 2.5 % vanadium) plus 0.08 to 0.14 % ruthenium,

1.1.17?Grade 30UNS R53530. Titanium alloy (0.3 % cobalt, 0.05 % palladium),

1.1.18?Grade 31UNS R53532. Titanium alloy (0.3 % cobalt, 0.05 % palladium),

1.1.19?Grade 33UNS R53442. Titanium alloy (0.4 % nickel, 0.015 % palladium, 0.025 % ruthenium, 0.15 % chromium),

1.1.20?Grade 34UNS R53445. Titanium alloy (0.4 % nickel, 0.015 % palladium, 0.025 % ruthenium, 0.15 % chromium),

1.1.21?Grade 35UNS R56340. Titanium alloy (4.5 % aluminum, 2 % molybdenum, 1.6 % vanadium, 0.5 % iron, 0.3 % silicon),

1.1.22?Grade 36UNS R58450. Titanium alloy (45 % niobium),

1.1.23?Grade 37UNS R52815. Titanium alloy (1.5 % aluminum),

1.1.24?Grade 38UNS R54250. Titanium alloy (4 % aluminum, 2.5 % vanadium, 1.5 % iron), and

1.1.25?Grade 39UNS R53390. 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.

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.

1.3?This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

2. Referenced Documents

E8-04	Standard Test Methods for Tension Testing of Metallic Materials
A370-23	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(2016)	Standard Test Method for Determination of Carbon in Refractory and Reactive Metals and Their Alloys by Combustion Analysis
E2626-08	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

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