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The
new PDI Alternative ASME blocks meet the requirements of the Performance
Demonstration Initiative (PDI) Procedure No. PDI-UT-1, Rev. C,
Fig. 4 (Ferritic) and PDI-UT-2, Rev. C, Fig. 4 (Austenitic). These
cover the generic procedures for the ultrasonic examination of
both ferritic and austenitic pipe welds. The blocks offer users
an economical alternative to fabricating multiple curved cal blocks
(pipe sections) in many diameters and wall thicknesses.
The blocks are normally supplied in sets of 3 individual blocks;
one in A516 Grade 70 Steel, one in Type 304/304L Stainless Steel,
and one in Type 316/316L Stainless Steel. Individual blocks of
any one alloy are also offered.
Block
design consists of steps (wall thicknesses) measuring 0.500",
1.000", 1.500", and 2.000". Each step contains an EDM slot
machined to a depth of 10% of wall x .010" wide x 2.0" long.
Overall block size is 2.00" wide x 2.25" tall x 10.00" long.
The scanning and reflecting surfaces are intentionally machined
to simulate pipe and plate surfaces of 250 Ra maximum finish.
Each block is permanently machine-engraved on one edge to
include the block description, serial no., alloy, heat no.,
and PH Tool. The blocks are made from ultrasonically inspected,
heat number-traceable material supplied by PH Tool.
A NIST-traceable Certification Report containing block and
slot as-built dimensions is supplied. PH Tool Drawing No.
10052 and a certified material test report is also included
in the data package. |
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A suitcase-style hardwood storage case, fitted to accommodate
a three-block set is also offered.
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Part
Description:
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PDI
Alt ASME, Set of 3
Use this part description when ordering if you need
the set of 3 alloys. |
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PDI
Alt ASME, Steel
PDI Alt ASME, T304
PDI Alt ASME, T316
Use the appropriate part description above when ordering
any one alloy. |
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