OKOndt GROUP remains a reliable provider of high-quality non-destructive testing (NDT) solutions and services tailored to the needs of various industries. In May 2025, the company took part in the Railway Interchange exhibition in the USA, where it presented UT and ET rail testing Systems designed for railway track inspection under high-speed conditions with minimal traffic disruption.

Eddy-current calibration blocks

 

Designation

Defect parameters

Roller’s diameter, mm/in.

Roller’s length, mm/in.

 

Material

 

Field of use

Length, mm/in.

Width, mm/in.

Depth, mm/in.

 

ø 4 × 4

 

0.75; 1.5 / .03; .06

 

0.05 / .002

 

0.05 / .002

 

ø 4 / .16

 

4 / .16

 

Carbon steel

 

Aircraft, oil and gas, chemical, power, transportation, engineering industries

. . .

 

ø 32 × 52

 

0.75; 1.5 / .03; .06

 

0.05 / .002

 

0.05 / .002

 

ø 32 / 1.25

 

52 / 2

 

Carbon steel

 

Aircraft, oil and gas, chemical, power, transportation, engineering industries