ASTM B63 Test Standard for Metallic Conductor Resistivity and Contact Materials

The ASTM B63 standard, published by the American Society for Testing and Materials (ASTM), covers the determination of the electrical resistance of materials used in resistors, heating elements, and electrical contacts, as well as products of powder metallurgy processes used for other purposes, with an accuracy of 2%.

When it comes to materials for resistors and heating elements, information on resistivity is important in determining whether a given cross-sectional area and length of wire or strip will have the required resistance. It serves as a basis for material selection for specific applications and its measurement is an essential acceptance test for resistive materials.

In the case of materials for electrical contacts, the resistivity measurement can serve as a test for the uniformity of materials of nominally the same composition and structure.

Values ​​stated in inch-pound units should be considered standard. Values ​​in parentheses are mathematical conversions to non-standard SI units, provided for informational purposes only.

This standard does not purport to address all, if any, safety concerns associated with its use. It is the responsibility of the user of this standard to be familiar with all hazards, including those described in the appropriate Safety Data Sheet (SDS) for this product/material supplied by the manufacturer, and to establish appropriate safety, health and environmental practices. and determine the applicability of regulatory restrictions prior to use.

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