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ASTM E165-02 PDF

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Buy ASTM E PRACTICE FOR LIQUID PENETRANT EXAMINATION FOR GENERAL INDUSTRY from SAI Global. ASTM E Standard Practice for Liquid Penetrant E Standard Practice for Liquid Penetrant Examination for General Industry View on Information. Find the most up-to-date version of ASTM E at Engineering

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One of the most critical aspects of liquid penetrant testing is interpreting and evaluating the discontinuities. Care must be taken not to overly clean and remove the penetrant from the discontinuities. Energy-Tech Magazine Contact us.

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are adtm provided as part e16-02 the standard. Advertisement 4 Go to Page 1 2 3 4 Edit Story. Some equipment manufacturers allow some surface indications, depending on their size and location on a particular part.

This method substitutes fluorescent penetrating oil for the visible dye penetrant.

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Penetrating oils typically contain a red dye and are sprayed or brushed onto the area of the material being tested. The part then needs to be cleaned to remove the astn and the developer. After application of the developer, the visual inspection is done with a black light. Agreement by the user and the supplier regarding specific techniques is strongly recommended.

The reason is that some potable water sources contain chlorine, which can leave a residue on the surface and can lead to cracking in some stainless steels. In most cases, the discontinuities are visible to the naked eye asttm liquid penetrant testing.

The liquid penetrant examination just makes the discontinuities easier to see. They are nondestructive testing methods for detecting discontinuities that are open to the surface such as cracks, seams, laps, atsm shuts, laminations, through leaks, or lack of fusion and are applicable to in-process, final, and maintenance examination. This is typically done with a special cleaning solvent. Non-destructive examination NDE is used to detect cracks and other flaws in a part without rendering the part unusable by performing astj testing.

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MET-L-CHEK ROT ( ml). Penetrant testing. Non-destructive testing. Quality System

With this technique, liquid penetrant is applied to the surface of a material and is drawn into surface discontinuities such as cracks, pits and seams by capillary action. They can be effectively used in the examination of nonporous, metallic materials, both ferrous and nonferrous, and of nonmetallic materials such as glazed or fully densified ceramics, e165-20 nonporous plastics, and glass. To avoid this, any indications should be e165-022 by polishing and re-evaluating the indication.

Work Item s – proposed revisions of this standard. Link to Active This link will always route to the current Active version of the standard. A common recommendation is to use solvent and not potable water when cleaning stainless steel parts, such as turbine rotors, that will be highly stressed when in service. Also, there are no universal acceptance criteria on the maximum allowable size of an indication. Non-destructive examination basics Patrick J. A suitable waiting time allows the penetrant to enter the surface discontinuities, and then excess penetrant can be removed.

Some of the most popular NDE methods include: A scratch or a pore can easily be misinterpreted as a crack or flaw, and this can lead to unnecessary and costly repairs.

It should be pointed out, however, that after indications have been produced, they must be interpreted or classified and then evaluated. This can take minutes after the developer is applied. Another technique involves the use of an ultraviolet light to view the surface discontinuities.

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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. As soon as the material is dry, the developer is applied.

ASTM E165-02.pdf

The visible dye penetrant technique involves the following steps:. Cracks typically show up as red lines and pits usually look like red dots. SI units are provided for information only. The surface then needs to be solvent cleaned to remove any greases or oils. The penetrant that is trapped in any discontinuities will glow when viewed under a black light. This might involve sandblasting, wire brushing, etc.

It is a common misconception to label a discontinuity as a crack. The visible dye penetrant technique involves the following steps: The purpose of this article is to describe these basic NDE techniques and discuss astmm of the advantages and disadvantages of the different methods.

For this purpose there must be a separate code or specification or a specific agreement to define the type, size, location, and direction of indications considered acceptable, and those considered unacceptable. Box Dubuque, IA Phone: This technique can be used on a variety of ferrous and non-ferrous materials, including steel, stainless steel, aluminum, bronze, tungsten carbide, ceramics xstm plastics. The correct term for a discontinuity is an indication, which is not necessarily a crack or a flaw.