Magnetic Particle Inspection of Materials

We provide inspection services following Oil Country Tubular Goods (OCTG) with good quality based on customer requirement and on API 5CT, API 5A5 or any others standards requested by the customer.

Magnetic Particle Inspection is a non-destructive material testing method used for the detection of surface and near-surface flaws in ferromagnetic materials and is primarily used for crack detection.

The Magnetic Particle Inspection is:

- Fast and cost-effective testing method for crack detection in ferromagnetic materials

- Detect the smallest and narrowest defects by sensitive testing method

Magnetic Particle Inspection (MPI) is primarily used for crack detection in ferromagnetic materials. The specimen is magnetized, either locally or overall,and if there is a surface-breaking flaw the magnetic field is distorted,

causing local magnetic flux leakage around the flaw. This leakage flux is displayed by covering the surface with very fine iron particles applied either dry or suspended in a liquid. The particles accumulate at the regions of flux leakage, producing a build-up which can be seen visually, even for very narrow cracks. It is indicated as a line of iron powder particles on the surface.

The magnetic particle inspection method is applicable to all metals which can be strongly magnetized – ferritic steels and irons.

The method is fast, and evaluation of the material is done instantly. The equipment used is portable and easy to get to the area of inspection. Magnetic particle testing can be applied to relatively rough.

The method is very sensitive and able to detect narrow and small defects. It is widely used during manufacturing and testing of welds and material in the Industry.

Magnetic particle inspection experts also use a range of fluorescent methods, using fluorescent particles which require UV-A

illumination.

Liquid Penetrant Inspection of Materials

Liquid or dye penetranttesting (PT) is a non-destructive material testing method which uses capillary forces to find

surface cracks or pores and make them visible. It can  detect surface-breaking flaws such ascracks, laps, porosity.

The Liquid Penetrant Testing of Materials is:

- Global accepted non-destructive testing method

- Easily determine surface cracks, pores, lack of fusion and inter-granular corrosion

- Penetrant testing can be used on a wide range of materials (also non-ferritic and composite)

- Fast and efficient testing method to cover large-area and surfaces

The dyepenetrant test is usually performed with a red dye penetrant, which can be done in daylight. Whereas the fluorescent dye penetrant test uses a fluorescent test agent, which is much easier to evaluate in darkness or under UV light.

Liquid penetrant testing can be applied to any non-porous clean material, metallic or non-metallic, but is unsuitable

for dirty or very rough surfaces. Surface cleaning is a vital part of the penetrant testing technique.

Liquid Penetrant Testing procedure:

Surface cleaning (degreasing etc.)

Application of a penetrant liquid (dipping, spray, brush)

Removal of excess penetrant (solvent, water)

Application of developer

Inspection of test surface (visual, television camera)

Post-inspection cleaning (anti-corrosion solutions)

Ultrasonic Thickness Gauging

This inspection is done using an digital thickness measurement equipment as the key objective is to identify any loss or reduction in material thickness which may or may not be detrimental to the integrity of the structure.

Determining the thickness of test objects, particularly in erosion or corrosion monitoring When access is only available from one side of the substrate, ultrasonic wall thickness measurement is the most efficient way to monitor the effects of erosion or corrosion and is instrumental to bothquality assurance and quality control.

Ultrasonic Testing of Materials

Ultrasonic testing (UT) is based on the propagation of sound waves in the component being tested. Ultrasonic testing can detect subsurface, internal and, in some cases, surface defects in different materials.

Ultrasonic Testing is:

• Well-established and accepted non-destructive testing method around the world
• Higher probability of detecting defects than radiography, consistently rejecting planar discontinuities
• Detect and size specific volumetric flaws
• Efficient method for material inspection

Ultrasonic testing (UT) is an testing method for detecting material defects using ultrasound technology. Ultrasonic

testing is a volumetric testing method, similar to radiographic testing. The volume is tested for irregularities.

 Ultrasonic testing can be used for weld seam testing, sheet metal testing and wall thickness measurement, as well as testing

large-volume forgings or casings.

Defects that can be detected include cracks, slag, pores, planar discontinuities and porosity, inclusions and lack

of fusions. Our experts provide highly accurate defect coordinates, length and orientation height (depth). Planar flaws are

considered to be more detrimental to weld quality than volumetric flaws.

Ultrasonic testing has a higher probability than radiography of detecting defects, consistently rejecting planar

is continuities.

Ultrasonictesting can be used for multiple inspection methods:

- Volumetric inspections of, welds, castings, products etc.

- Detection of planar discontinuities in pipes

- For general wall thickness measurements

- For periodical and non-periodical industrial inspections at power stations; including boilers, vessels, drums and pipelines

- For periodical and non-periodical industrial inspections in the oil and gas industry; including reactors, pipelines, storage tanks, heat exchangers, etc.

- For periodical and non-periodical industrial inspections in the chemical industry; including pumps, and chemical storage.

M.F.O.G.S uses advanced ultrasonic equipment and we can inspect customers’ components and structures to industry codes, standards or customer specifications.

Eddy Current Testing

Eddy current testing (ET) is used to detect surface and near surface defects on relativelysmall areas; without the need to remove surface paint prior to testing. The equipment is light and compact and provides immediate feedback, making it

ideally suited for inspecting on site.

ET is an electromagnetic technique and can only be used on conductive materials. Its applications range from crack detection, to the rapid sorting of small components for flaws, size variations, or material variation. Commonly it is

used in the aerospace, rail, automotive, marine and manufacturing industries.