ASTM D – Air Permeability of Textile Fabrics . ASTM E testing covers the determination of the tensile stress-strain response of metallic sheet materials . Download scientific diagram | ASTM E standard tensile testing specimen, all dimensions in mm from publication: Prediction of Tensile and Deep Drawing. Find the most up-to-date version of ASTM E at Engineering

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A single atm curve may not be a satisfactory fit to the entire stress-strain curve between yield and necking. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. E Clip On Axial Extensometer.

Measures displacement for axial tensile, compression, and cyclic testing Gage lengths from 10 mm to 50 mm 0. Sstm, it provides an empirical parameter for appraising the relative stretch formability of similar metallic systems.

ASTM E646 – Tensile Strain-Hardening Exponents (n-Values) of Metallic Sheet Metals

ASTM E is for metallic sheet materials with thicknesses of at least 0. The strain-hardening exponent is also a measure of the increase in strength of a material due to plastic deformation.


The method has successfully been and may be applied to other forms and thicknesses by agreement. Force range of 5 kN to kN 1, lbf tolbf Adjustable test space The most popular choice for static tension and compression tests These dual column testers are available in both tabletop and floor standing models.

ASTM E Tensile Strain-Hardening Exponents (n -Values) of Metallic Sheet Materials

Caution should be observed in the use of curve-smoothing techniques as they may affect the n -value. By means of our tensile testing expertise and modular product design, we will help find the astj that is right for you. Give our test engineers a w646 today for help configuring the best test machine and accessories according to ASTM E 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.

If such is the case, more than one value of the strain-hardening exponent may be obtained 2 by agreement using this test method. The values given in parentheses are mathematical conversions to SI units that are provided for information only e466 are not considered standard. Link to Active This link will always route to the current Active version of the standard.


We offer machines, apparatus, testers, tensile grips, test fixtures, clamps, holders, jigs, faces, jaws, extensometers, environmental and humidity chambers, furnaces, baths and custom solutions for unique applications.

Work Item s – 6e46 revisions of this standard.

Have a question about conducting the test for this standard? The value of the strain-hardening exponent, nhas no units and is independent of the units used in its determination. Historical Version s – view asttm versions of standard.

ASTM E covers the determination of a strainhardening exponent by tension testing of metallic sheet materials for which plastic-flow behavior obeys the power curve given in the E6446.