30 FBH Resolution Block steel

Steel 30 FBH Resolution Block (ASTM-128)
Steel 4340
PER: ASTM-E-127 & ASTM-E-428.
Area/amplitude plots for normal beam transducer.
1 1/2" x 4" x 11". Contains three series of 3/64", 5/64" and 8/64" diameter holes at metal travel distances of .050" thru 1.250"

Case Not Included

Blocks are precision manufactured to tolerances well within the allowable limits of their respective codes. All blocks pass a comprehensive quality control inspection in accordance with ISO 9002 (formerly MIL I 45208 A), with instruments calibrated in accordance with ANSI/NCSL Z540 (formerly MIL C 45662A). All calibration blocks are serialized and certified to the National Institute of Standards and Technology.
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