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Southwest Steel Casting Company achieved certification to ISO-9002 on December 26, 1996. In so doing, SWS becomes only the second foundry in Texas to distinguish itself in this manner.

Horizontal Stationary Magnetic Particle Inspection Unit.
Mobile Magnetic Particle Inspection Unit
AC Portable Magnetic Particle Inspection Yoke.
Krautkramer Branson Model USK 7D Ultrasonic Unit
Bendix Portage Model 48A Layout Machine w/ (2) Tables.

Non Destructive Testing is a descriptive term used for the examination of materials and components in such a way that allows materials to be examined without changing or destroying their usefulness.

Visual Inspection
Visual inspection is the one NDT method used extensively to evaluate the condition or the quality of a weld or component. It is easily carried out, inexpensive and usually doesn't require special equipment.

Magnetic Particle Inspection
Magnetic particle inspection is a method that can be used to find surface and near surface flaws in ferromagnetic materials such as steel and iron.

The technique uses the principle that magnetic lines of force (flux) will be distorted by the presence of a flaw in a manner that will reveal it's presence. the flaw (for example, a crack) is located from the "flux leakage", following the application of fine iron particles, to the area under examination. There are variations in the way the magnetic field is applied. but they are all dependant on the above principle.

Ultrasonic Inspection
Ultrasonic inspection uses sound waves of short wavelength and high frequency to detect flaws or measure material thickness.

Radiographic Inspection
X-ray or gamma rays are placed close to the material to be inspected and they pass through the material and are then captured on film This film is then processed and the image is obtained as a series of gray shades between black and white. Careful inspection of the film will revel internal flaws that may not be found by other inspection methods.

Inspection Equipment in use at Southwest Steel:

Horizontal stationary magnetic particle inspection unit with an output of 6,000 amperes FWDC. Equipped with a 20 inch 5 turn coil and black light to use with fluorescent particles.

Mobile magnetic particle inspection unit with regulated currents up to 4,000 amperes HWDC and 3,000 amperes AC. Can be equipped with Prods or cables.

AC portable magnetic particle inspection yoke for use in checking localized areas.

Krautkramer Branson model USK 7D ultrasonic unit. For in house use only.

Bendix Portage Model 48A Layout Machine and two (2) Bendix Portage Layout Tables - 50" x 70"

FaroArm Model S12-02, Single point accuracy: +/- .178mm with unlimited working volume.

All radiographic and customer required ultrasonic inspection is performed by an outside NDT service. All equipment and systems are strictly calibrated and maintained to the requirements of ASTM E1444 and E709.



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