Laser Ultrasonics


Factory Demonstration

Photo of pipe exiting mill during measurement

Wall Thickness Measurement of Seamless Steel Tubes

Typical Conditions
 
Measurement spacing : 20 cm
Pipe temperature: Up to 1250°C
Wall thickness : 3 mm to 34 mm
Pipe diameter : 4 cm to 15 cm
Pipe velocity : Up to 5 m/s
Measurement position At exit of forming mill



Schematic drawing of measurement configuration




Measurement Data

Red dots: laser-based measurement at exit from mill
Triangles: transducer-based hand measurement after cooling

Measurements agree after correction
for thermal expansion