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Reference Radiographs ASTM E186 Vol lll

Product Code: F00.4142

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These reference radiographs are reproductions of original radiographs and are supplied as a means for establishing the categories and severity levels of discontinuities in steel castings that may be revealed by radiographic examination.
They may be used in accordance with contractual specifications.

Radiographs for evaluation are to be compared with these reference radiographs for classification on the basis of the category and severity level of the discontinuity. These reference radiographs are applicable to nominal section thicknesses of 2 to 4 1/2 in. (51 to 114 mm).4-MV to 30-MV X rays (called "10 to 24-MeV X rays" in previous editions).

Each set is for comparison only with the radiographs produced with equivalent radiation and consists of three categories of graded discontinuities in increasing severity levels, and three categories of ungraded discontinuities furnished as examples only, as follows:

Category A -Gas porosity; severity levels 1 through 5.

Category B -Sand and slag inclusion; severity levels 1 through 5.

Category C -Shrinkage; 3 types:

Type 1 -Severity levels 1 through 5.

Type 2 -Severity levels 1 through 5.

Type 3 -Severity levels 1 through 5.

Category D -Crack; one illustration D3 in pre-1972 documents.

Category E -Hot tear; one illustration D3 in pre-1972 documents.

Category F -Insert; one illustration EB3 in pre-1972 documents.

The use of this document is not intended to be restricted to the specific energy level or to the absolute thickness limits that are contained in the document title. The title is intended to be descriptive and not restrictive.
The document may be used, where there is no other applicable document, for other energy levels or thicknesses, or both, for which it is found to be applicable and for which agreement has been reached between purchaser and manufacturer.

Vol lll: 4-MV to 30-MV X Ray Reference Radiographs -Set of 28 plates (5" by 8") in a 15" by 17" ring binder.

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Additional Accessories N/A
Product Code F00.4142

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