Used for establishment of primary reference responses for UT examination of welds.

Block contains three side-drilled holes at 38mm deep minimum at 2.5mm diameter. Hole locations through the thickness are ¼, ½, and ¾T. Also contains two notches measuring 2%T deep x 6.4mm max wide x 25mm long min. In accordance with ASME Sec V Art. 4 Fig. T-434.2.1.

Dimensions: 19.0 mm x 120.0 mm x 150.0 mm

·  Material: Carbon steel,Stainless steel

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