By Ted V Weber; American Welding Society. Product Development Committee
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Extra info for The everyday pocket handbook for visual inspection and weld discontinuities-- causes and remedies
Sample text
Reference line Arrow Examination method letter designations Extent and number of examinations Supplementary symbols Tail (Specifications, codes, or other references) Examine All Around Field Examination 31 Radiation Direction Examination Method Letter Designations Nondestructive examination methods shall be specified by use of the letter designation shown below. Examination Method Letter Designation Acoustic emission AET Electromagnetic ET Leak LT Magnetic particle MT Neutron radiographic NRT Penetrant PT Proof PRT Radiographic RT Ultrasonic UT Visual VT Standard Location of Elements of a Nondestructive Examination Symbol The elements of a nondestructive examination symbol shall have standard locations with respect to each other as shown in the following figure.
3. 4. 5. 6. Reference line Arrow Examination method letter designations Extent and number of examinations Supplementary symbols Tail (Specifications, codes, or other references) Examine All Around Field Examination 31 Radiation Direction Examination Method Letter Designations Nondestructive examination methods shall be specified by use of the letter designation shown below. Examination Method Letter Designation Acoustic emission AET Electromagnetic ET Leak LT Magnetic particle MT Neutron radiographic NRT Penetrant PT Proof PRT Radiographic RT Ultrasonic UT Visual VT Standard Location of Elements of a Nondestructive Examination Symbol The elements of a nondestructive examination symbol shall have standard locations with respect to each other as shown in the following figure.
3. 4. 5. 6. Reference line Arrow Examination method letter designations Extent and number of examinations Supplementary symbols Tail (Specifications, codes, or other references) Examine All Around Field Examination 31 Radiation Direction Examination Method Letter Designations Nondestructive examination methods shall be specified by use of the letter designation shown below. Examination Method Letter Designation Acoustic emission AET Electromagnetic ET Leak LT Magnetic particle MT Neutron radiographic NRT Penetrant PT Proof PRT Radiographic RT Ultrasonic UT Visual VT Standard Location of Elements of a Nondestructive Examination Symbol The elements of a nondestructive examination symbol shall have standard locations with respect to each other as shown in the following figure.