IIW-Type 2 Block 
This is a modified version of the original IIW-Type 1 design. Includes a 2.0”radius x .250” deep cut-out superposed on the 4.0” radius for distancecalibration. Also includes numbers 3, 5 and 8 through holes (3/64”, 5/64”and 8/64” diameter) and distance calibration marks to the 2.0” hole. Inaccordance with International Institute of Welding, ASTM E164, and U.S. Air Force NDI Manual T.O. 33B-1-1 specifications.  Dimensions: 12.0” x 4.0”x 1.0”.  Metric version available.

It is used for calibration of shear and longitudinal transducers, and verification of shear wedge exit point and refracted angle. Can also be used for resolution and sensitivity checking.

• Metric version

• Fitted storage case included.

• In accordance with AWS D1.1/D1.1M-2006 specifications.

• Material: 1018 Steel

• With maker certification