ASTM E646-16(2024)

Standard Test Method for Tensile Strain-Hardening Exponents (n -Values) of Metallic Sheet Materials

ASTM International , 11/15/2024

Publisher: ASTM

File Format: PDF

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Description

Standard By:ASTM International , 11/15/2024

Published:11/15/2024

Pages:10

File Size:1 file , 500 KB

Language:English

Note:This product is restricted and cannot be purchased in the following countries Russia, Ukraine, Belarus

1.1 This test method covers the determination of a strain-hardening exponent by tension testing of metallic sheet materials for which plastic-flow behavior obeys the power curve given in the introduction.

Note 1: A single power curve may not be a satisfactory fit to the entire stress-strain curve between yield and necking. If such is the case, more than one value of the strain-hardening exponent may be obtained (2) by agreement using this test method.

1.2 This test method is specifically for metallic sheet materials with thicknesses of at least 0.005 in. (0.13 mm) but not greater than 0.25 in. (6.4 mm). The method has successfully been and may be applied to other forms and thicknesses by agreement

1.3 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.

Note 2: The value of the strain-hardening exponent, n, has no units and is independent of the units used in its determination

1.4 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5 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.

ASTM E646-16(2024)

Standard Test Method for Tensile Strain-Hardening Exponents (n -Values) of Metallic Sheet Materials

ASTM E646-16(2024) History

ASTM E646-16(2024)

ASTM E646-16

ASTM E646-15

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