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ASTM C767-93(2004)

Historical Reaffirmation

Standard Test Method for Thermal Conductivity of Carbon Refractories

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1.1 This test method supplements Test Method C 201, and shall be used in conjunction with that procedure to determine the thermal conductivity of carbon or carbon-bearing refractories. This test method is designed for refractories having a conductivity factor of not more than 200 Btuin./hft2F (28.8 W/mK).

1.2 The values stated in inch-pound units are to be regarded as the standard.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


The thermal conductivity of carbon refractories is a property required for selecting their thermal transmission characteristics. Users select carbon refractories to provide specified conditions of heat loss and cold face temperature, without exceeding the temperature limitation of the carbon refractory. This test method establishes placement of thermocouples and positioning of test specimens in the calorimeter.

This procedure must be used with Test Method C 201 and requires a large thermal gradient and steady state conditions. The results are based upon a mean temperature.

The data from this test method is suitable for specification acceptance, estimating heat loss and surface temperature, and the design of multi-layer refractory construction.

The use of these data requires consideration of the actual application environment and conditions.

SDO ASTM: ASTM International
Document Number C767
Publication Date Sept. 1, 2004
Language en - English
Page Count 3
Revision Level 93(2004)
Supercedes
Committee C08.02
Publish Date Document Id Type View
Aug. 1, 2024 C0767-24 Revision
April 1, 2020 C0767-20 Revision
Sept. 1, 2013 C0767-93R13 Reaffirmation
March 1, 2009 C0767-93R09 Reaffirmation
Sept. 1, 2004 C0767-93R04 Reaffirmation
Sept. 10, 1998 C0767-93R98 Reaffirmation