ASTM E165-02 PDF

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Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. The surface then needs to be solvent cleaned to remove any greases or oils. Then the surface must be allowed to dry.

MET-L-CHEK ROT 1001 (400 ml)

Asmt view current version of standard. This method substitutes fluorescent penetrating oil for the visible dye penetrant. Link to Active This link will always route to the current Active version of the standard.

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. 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.

They are nondestructive testing methods for detecting discontinuities that are open to the surface such as cracks, seams, laps, cold shuts, laminations, through leaks, or lack of fusion and are applicable to in-process, final, and maintenance examination.

The visible dye penetrant technique involves the following steps: 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. Energy-Tech Magazine Contact us. The purpose of this article is to describe these basic NDE techniques and discuss some of the asm and disadvantages satm the different methods.

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ASTM E165 02 – EspaƱol

A scratch or a pore can easily be misinterpreted as a crack or flaw, and this can lead to unnecessary and costly repairs. This can take minutes after the developer is applied. The correct term for a discontinuity is astn indication, which is not necessarily a crack or a flaw.

Agreement by the user and the supplier regarding specific techniques is strongly recommended.

Penetrating oils typically contain a red dye and are sprayed or brushed onto the area of the material being tested. The visible dye penetrant technique involves the following steps:.

The liquid e16-502 examination just makes the discontinuities easier to see.

Care must be taken not to overly clean and remove the penetrant from the discontinuities. Cracks typically show up as red lines and pits usually look like red dots.

These inspections can increase the reliability of the part by providing early detection of flaws that could lead to a failure. It should be pointed out, however, that after indications have been produced, they must be interpreted or classified and then evaluated.

The part then needs to be cleaned to remove the penetrant and the developer. A common recommendation is to use e1665-02 and not potable water when cleaning stainless steel parts, such as turbine rotors, that will be highly asmt when in service. Work Item s – proposed revisions of this standard. Some equipment manufacturers allow some surface indications, depending on their size and location on a particular part.

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The penetrant that is trapped in any discontinuities will glow when viewed under a black light. This is typically done with a special cleaning solvent.

ASTM E(02) – [PDF Document]

Non-destructive examination NDE is used to detect cracks and other flaws in a part without rendering the part unusable by performing destructive testing. To avoid this, any indications should be investigated by polishing and re-evaluating the indication.

Liquid penetrant testing Liquid penetrant inspection is the most popular method to check for surface cracks because it is simple asrm no special equipment is required. SI astn are provided for information only. The developer brings the penetrating oil out of the discontinuities by a blotting action.

A suitable waiting time asrm the penetrant to enter the surface discontinuities, and then excess penetrant can be removed. An example of a gear tooth crack that was made more visible using a dye penetrant examination is shown in Figure 1. 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.