Macro Examination
(Weld Joint Carbon Steel)
ASTM E340-2015
Standard Practice for Microetching Metals and
Alloys These procedures describe the methods
of macroetching metals and alloys to reveal their
macrostructure.
BS EN ISO 17639:2013
Destructive tests on welds in metallic materials.
Macrocospic and microcospic examiantion
welds
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