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Significance and Use
4.1 These test methods are used for determining response to temperature change or flexivity of thermostat metal. The flexivity is calculated from the temperatures, dimensions of specimen, and the relative movement of the specimen. The simple beam method (Method A) is the method for certification. Any use of the spiral coil method (Method B) is to be mutually agreed upon between the user and supplier.
1.1 These test methods cover the determination of flexivity (a measure of thermal deflection rate or deflection temperature characteristics) of thermostat metals.
1.1.1 Test Method A—Tested in the form of flat strip 0.015 in. (0.38 mm) or over in thickness.
1.1.2 Test Method B—Tested in the form of spiral coils less than 0.012 in. in thickness.
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 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 become familiar with all hazards including those identified in the appropriate Material Safety Data Sheet (MSDS) for this product/material as provided by the manufacturer, to establish appropriate safety, health, and environmental practices, and determine the applicability of regulatory limitations prior to use.
1.4 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 (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
B389 Test Method for Thermal Deflection Rate of Spiral and Helical Coils of Thermostat Metal
ICS Number Code 77.040.10 (Mechanical testing of metals)
UNSPSC Code 41112209(Thermostats)
|Link to Active (This link will always route to the current Active version of the standard.)|
ASTM B106-08(2019), Standard Test Methods for Flexivity of Thermostat Metals, ASTM International, West Conshohocken, PA, 2019, www.astm.orgBack to Top