ASTM E709 08 PDF

Full Description 1. Magnetic particle testing may be applied to raw material, semifinished material billets, blooms, castings, and forgings , finished material and welds, regardless of heat treatment or lack thereof. It is useful for preventive maintenance testing. This guide describes magnetic particle testing techniques that are recommended for a great variety of sizes and shapes of ferromagnetic materials and widely varying examination requirements. Since there are many acceptable differences in both procedure and technique, the explicit requirements should be covered by a written procedure see Section

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More E Scope 1. Magnetic particle testing may be applied to raw material, semifinished material billets, blooms, castings, and forgings , finished material and welds, regardless of heat treatment or lack thereof.

It is useful for preventive maintenance testing. This guide describes magnetic particle testing techniques that are recommended for a great variety of sizes and shapes of ferromagnetic materials and widely varying examination requirements.

Since there are many acceptable differences in both procedure and technique, the explicit requirements should be covered by a written procedure see Section It should be pointed out, however, that after indications have been produced, they must be interpreted or classified and then evaluated. For this purpose there should be a separate code, specification, or a specific agreement to define the type, size, location, degree of alignment and spacing, area concentration, and orientation of indications that are unacceptable in a specific part versus those which need not be removed before part acceptance.

Conditions where rework or repair is not permitted should be specified. SI units are provided for information only. 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.

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Magnetic particle testing may be applied to raw material, semifinished material billets, blooms, castings, and forgings , finished material and welds, regardless of heat treatment or lack thereof. It is useful for preventive maintenance testing. This guide describes magnetic particle testing techniques that are recommended for a great variety of sizes and shapes of ferromagnetic materials and widely varying examination requirements. Since there are many acceptable differences in both procedure and technique, the explicit requirements should be covered by a written procedure see Section It should be pointed out, however, that after indications have been produced, they must be interpreted or classified and then evaluated. For this purpose there should be a separate code, specification, or a specific agreement to define the type, size, location, degree of alignment and spacing, area concentration, and orientation of indications that are unacceptable in a specific part versus those which need not be removed before part acceptance.

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ASTM E709 08 PDF

More E Ровная поверхность или импульсный ток улучшают подвижность магнитных частиц, находящихся под влиянием магнитного поля, собираться на поверхности, где проявляется рассеяние магнитного потока. Область применения 1. Магнитно-порошковая дефектоскопия может быть применима к сырью, полуфабрикатным материалам заготовкам, блюмам, отливкам и поковкам , отделанным материалам и сварным швам, вне зависимости от наличия или отсутствия термической обработки. Является эффективной для планово- предупредительных испытаний.

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ASTM E709:08

The number of indications allows you to assess the function of your magnetising current amperage and the performance of your testing medium. A consistent number of indications per level means the system is working properly. Refer to the table opposite for ashm minimum number of indications that should be visible. Active view current version of standard. When processed using the continuous method, indications of these artificial defects will form on the surface of the ring. This guide describes magnetic particle testing techniques that are recommended for a great variety of sizes and shapes of ferromagnetic materials and widely varying examination requirements. For this purpose there should be a separate code, specification, or a specific agreement to define the type, size, location, degree of alignment and spacing, area concentration, and orientation of indications that are unacceptable in a specific part versus those which need not be removed before part acceptance.

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