Norm

ASTM A561-08(2014)

Standard Practice for Macroetch Testing of Tool Steel Bars

48,24

Over deze norm

Status Definitief
Aantal pagina's 2
Commissie A01.29
Gepubliceerd op 01-03-2014
Taal Engels

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.

Details

ICS-code 77.140.60
Nederlandse titel Standard Practice for Macroetch Testing of Tool Steel Bars
Engelse titel Standard Practice for Macroetch Testing of Tool Steel Bars

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