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EDM notched tubes [NDT]

Description and application
High quality reference samples are key to successful non-destructive testing with consistent, repeatable results. We manufacture reference samples with the following testing methods:
- Eddy Current (EC)
- Ultrasonic testing (UT)

The samples are made with specific defects, such as transversal and longitudinal notches with very precise shape, width and depth. Notches can also be made on the inside of a tube.

Reference sample products
Samples can be made for almost all product types within our product portfolio of high performance materials such as austenitic, ferritic, duplex stainless steels as well as nickel, titanium and zirconium alloys.
Item weight: max 1 000 kg.
- Tube, bar and hollow bar Ø 0-350mm
- Strip, plate and square tube
- Wire and tube

Notch specification Notches can be made in many different forms, shapes and depths, both on inside and outside. Common shapes of notches are:
- Flat and spherical bottomed hole
- U-shaped, V-shaped, square shaped
- Polygon, spherical
- Custom made

Manufacturing reference samples
Notches are made using Electrical Discharge Machining (EDM) that removes material. Special tools developed by Sandvik ensure extreme precision and tight tolerances even for advanced stainless steels and nickel alloys.

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