Certified Step Wedges for Ultrasonic Thickness Testing. Calibration step wedges are available in Stainless Steel, Carbon Steel or Aluminum, with 4, 5, 7, 10 steps

4 STEPS TEST BLOCK

4A type steps thickness: 6.25mm,12.5mm,18.75mm,25mm

4B type steps thickness:5mm,10mm,15mm,20mm

5 STEPS TEST BLOCK

5A type steps thickness: 2.5mm,5mm,7.5mm,10mm,12.5mm

5B type steps thickness:2mm,4mm,6mm,8mm,10mm

7 STEPS TEST BLOCK

7A type steps thickness:3mm,12.5mm,24mm,30mm,36mm,42mm, 48mm

7B type steps thickness:1mm,1.5mm,2mm,4mm,6mm,8mm,10mm

10 STEPS TEST BLOCK

10A type steps thickness: 2.5mm, 5mm, 7.5mm, 10mm, 12.5mm, 15mm, 17.5mm, 20mm, 22.5mm, 25mm

10B type steps thickness: 2mm, 4mm, 6mm, 8mm, 10mm, 12mm,14mm, 16mm, 18mm, 20mm

10C type steps thickness: 1mm, 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10m