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ASTM D2256

2002 Edition, September 10, 2002

Complete Document

Standard Test Method for Tensile Properties of Yarns by the Single-Strand Method

Includes all amendments and changes through Reapproval Notice , 2008


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Superseded By: ASTM D2256/D2256M

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Additional Comments:
W/D S/S BY ASTM D2256/D2256M
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Product Details:

  • Revision: 2002 Edition, September 10, 2002
  • Published Date: January 2008
  • Status: Superseded By:
  • Superseded By: ASTM D2256/D2256M
  • Document Language: English
  • Published By: ASTM International (ASTM)
  • Page Count: 14
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

This test method covers the determination of tensile properties of monofilament, multifilament, and spun yarns, either single, plied, or cabled with the exception of yarns that stretch more than 5.0 % when tension is increased from 0.05 to 1.0 cN/tex (0.5 to 1.0 gf/tex).

This test method covers the measurement of breaking force and elongation of yarns and includes directions for the calculation of breaking tenacity, initial modulus, chord modulus, and breaking toughness.

Options are included for the testing of specimens in: (A) straight, (B) knotted, and (C) looped form.

Conditions of test are included for the testing of specimens that are: (1) conditioned air, (2) wet, not immersed, (3) wet, immersed, (4) oven-dried, (5) exposed to elevated temperature, or (6) exposed to low temperature.

NOTE 1—Special methods for testing yarns made from specific fibers; namely, glass, flax, hemp, ramie, and kraft paper and for specific products; namely, tire cords and rope, have been published: Test Methods D 885, and Specification D 578.

NOTE 2—For directions covering the determination of breaking force of yarn by the skein method refer to Test Method D 1578.

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