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ASTM E 696 : 2023

Current

Current

The latest, up-to-date edition.

Standard Specification for Tungsten-Rhenium Alloy Thermocouple Wire

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

20-07-2023

€49.35
Excluding VAT

Committee
E 20
DocumentType
Standard
Pages
4
PublisherName
American Society for Testing and Materials
Status
Current
Supersedes

1.1This specification covers the requirements for bare, solid conductor, tungsten and rhenium alloy thermoelements having diameters of 0.127 mm (0.005 in.) to 0.508 mm (0.020 in.) supplied in matched pairs. These thermoelements shall be suitable for use either in bead-insulated, bare-wire thermocouples, or in compacted metal-sheathed, ceramic insulated thermocouple material or assemblies.

1.2This specification covers the thermocouple combinations of tungsten-3 % rhenium versus tungsten-25 % rhenium (W3Re/W25Re) and tungsten-5 % rhenium versus tungsten-26 % rhenium (W5Re/W26Re; Type C). All information applies to both combinations unless otherwise noted.

1.3It is recognized that the alloys described are refractory and are not suitable for use at high temperatures in oxidizing atmospheres. All tests and processes described herein must be performed under conditions that are non-reactive to tungsten-rhenium alloys.

1.4The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.5This 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.

ASTM E 344 : 2020 Terminology Relating to Thermometry and Hydrometry
ASTM E 1751/E1751M : 2020 Standard Guide for Temperature Electromotive Force (emf) Tables for Non-Letter Designated Thermocouple Combinations

ASTM E 230/E230M : 2017 Standard Specification for Temperature-Electromotive Force (emf) Tables for Standardized Thermocouples
ASTM E 8/E8M : 2024 Standard Test Methods for Tension Testing of Metallic Materials
ASTM E 344 : 2023 Terminology Relating to Thermometry and Hydrometry
ASTM E 452 : 2002 : R2023 Standard Test Method for Calibration of Refractory Metal Thermocouples Using a Radiation Thermometer
ASTM E 230/E230M : 2023 Standard Specification for Temperature-Electromotive Force (emf) Tables for Standardized Thermocouples
ASTM E 8/E8M : 2022 Standard Test Methods for Tension Testing of Metallic Materials
ASTM E 230/E230M : 2023 : REV A Standard Specification for Temperature-Electromotive Force (emf) Tables for Standardized Thermocouples
ASTM E 452 : 2002 : R2018 Standard Test Method for Calibration of Refractory Metal Thermocouples Using a Radiation Thermometer

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