Set of eight flat-bottom hole blocks used to determine the relationship between flaw size and echo amplitude by comparing signal responses. Metal travel distance is 3.000” for all blocks, and FBH diameter ranges from #1 (1/64") to #8 (8/64"). In accordance with ASTM E127. Includes our NIST traceable dimensional certification report, ultrasonic inspection report and response plot, and the certified material test report.
• Dimensions: FBH diameters are 1/64", 2/64", 3/64", 4/64", 5/64", 6/64", 7/64", and 8/64". Block diameter is 2.0".
• Made from 7075-T6 Aluminum, black anodized.
• Hardwood or Durable Plastic Cases recommended...see above.
*Sets of ASTM Blocks in aluminum alloys are available with various colors of anodic coating. Colors available include black, blue, green, red, gold, orange, gray and clear. Colors other than the typical black coating come at additional cost. Blocks are anodized in accordance with MIL-A-8625, and receive a sulfuric acid soft coat (Type II) anodize (Class 1 for clear coating, Class 2 when colored dye is used). Contact PH Tool Technical Sales to discuss further coating options.