.	ULTRASONIC TEST BLOCKS

1] IIW Test Block Type 1 (V-1 Block)

A] 25mm x 100 mm x 300 mm B] 50mm x 100 mm x 300 mm

2] IIW Angle Beam Block (V-2 Block)

A] 12.5 mm x 43 mm x 75 mm B] 20 mm x 43 mm x 75 mm C] 25 mm x 43 mm x 75 mm 3] Beam Calibration Block – A5

4] Resolution Test Block - A7

74mm Radius x 75 mm thick

5] Step Wedge Ladder Type

A] 10 Step Block (1-10 mm ) B] 7 Step Block ( 2-20 mm ) C] 5 Step Block ( 5-25 mm ) D] 4 Step Block ( .250”-1.00” ) E] 10Step Block ( .100”-1.00” ) F] Coated Step Block ( 3- 18mm ) For multi-echo thickness gauge. 6] Curved Step Wedge 5 step of 2, 4, 6, 8 and 10 mm

7] Distance Amplitude Calibration (DAC)

Size : 50 x 75 x 300 mm with 1.5mm dia hole

8] Calibration Block BCB as Per ASME Sec. V Fig. T-542.2.1

A] For Weld Thickness up to 1’ B] For Weld thickness 1’ to 2” C] For Weld thickness 2’ to 4” D] For Weld thickness 4’ to 6” 9] A-6 Block BS 2704 10] IOW Beam Profile Block 11] DS Distance & Sensitivity Block [AWS Specifications] 12] RC Resolution Block [AWS Specifications] 13] Distance Amplitude Blocks 14] Distance/ Area Amplitude Blocks 15] Area Amplitude Blocks