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ASTM A720 Standard Test Method For Ductility Of Nonoriented Electrical Steel
ASTM A720 covers determination of ductility utilizing Epstein test strips and a bending device for bending the strip over a predetermined radius.
It is intended for commercial silicon-bearing steel sheet or strip of nonoriented types in the thickness range from 0.010 to 0.031 in. [0.25 to 0.79 mm],
The values and equations stated in customary (cgs-emu and inch-pound) or SI units are to be regarded separately as standard.
Within this test method, SI units are shown in brackets.
The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other.
Combining values from the two systems may result in nonconformance with this test method.
ASTM A720 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.
*** Before conducting ASTM A720 , it is important to read the entire specification. Standards can be obtained from appropriate standard authorities.
***PARSROS offers several types of grips and fixtures which will enable you to perform a variety of tests
that are accurate and repeatable.