1. Scope
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.
1.2 This test method is 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).
1.3 The values stated in inch-pound units are to be regarded as the standard. The SI equivalents shown may be approximate.
1.4 This standard does not purport to address all of the safety problems, 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.
2. Referenced Documents
ASTM Standards
E177 Practice for Use of the Terms Precision and Bias in ASTM Test Methods
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E4 Practices for Force Verification of Testing Machines
E6 Terminology Relating to Methods of Mechanical Testing
E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
E8 Test Methods for Tension Testing of Metallic Materials
E83 Practice for Verification and Classification of Extensometer Systems
Index Terms
Metals and metallic materials; Steel sheet; Steel sheet/strip/plate-general; Strain-hardening exponents (n-values); Strain testing-metallic materials; Tension (tensile) properties/tests-metallic materials; tensile strain-hardening exponents (n-values) of metallic sheet; materials, test; ICS Number Code 77.140.50 (Flat steel products and semi-products)
DOI: 10.1520/E0646-00
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