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ASTM International - ASTM A561-08

Standard Practice for Macroetch Testing of Tool Steel Bars

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Organization: ASTM International
Publication Date: 1 October 2008
Status: inactive
Page Count: 3
ICS Code (Steel bars and rods): 77.140.60
scope:

1.1 This practice for macroetch testing has been found to be a useful and reliable method for evaluating the quality of tool steel bars. It is used as a quality control and inspection test to reveal by deep acid etching the macrostructure in specimens cut from bars and to show the presence of such conditions as pipe, cracks, porosity, segregation, or foreign material. The etched surface is generally examined visually, but magnification up to about 10× is occasionally employed.

1.2 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.

abstract:

This practice covers macroetch testing used for evaluating the quality of tool steel bars. This test shall be used as a quality control and inspection test to reveal by deep acid etching, the... View More

Document History

March 1, 2020
Standard Practice for Macroetch Testing of Tool Steel Bars
1.1 This practice for macroetch testing has been found to be a useful and reliable method for evaluating the quality of tool steel bars. It is used as a quality control and inspection test to reveal...
March 1, 2014
Standard Practice for Macroetch Testing of Tool Steel Bars
This practice covers macroetch testing used for evaluating the quality of tool steel bars. This test shall be used as a quality control and inspection test to reveal by deep acid etching, the...
ASTM A561-08
October 1, 2008
Standard Practice for Macroetch Testing of Tool Steel Bars
This practice covers macroetch testing used for evaluating the quality of tool steel bars. This test shall be used as a quality control and inspection test to reveal by deep acid etching, the...
September 1, 2004
Standard Practice for Macrotech Testing of Tool Steel Bars
This practice covers macroetch testing used for evaluating the quality of tool steel bars. This test shall be used as a quality control and inspection test to reveal by deep acid etching, the...
September 10, 1999
Standard Recommended Practice for Macrotech Testing of Tool Steel Bars
1.1 This recommended practice for macroetch testing has been found to be a useful and reliable method for evaluating the quality of tool steel bars. It is used as a quality control and inspection...
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