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  • MIL STD 271 : F

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    REQUIREMENTS FOR NONDESTRUCTIVE TESTING METHODS

    Available format(s):  Hardcopy, PDF

    Superseded date:  27-05-1998

    Language(s): 

    Published date: 

    Publisher:  US Military Specs/Standards/Handbooks

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    Table of Contents - (Show below) - (Hide below)

    1. SCOPE
    1.1 General
    1.2 Classification
    1.3 Acceptance standards
    1.4 Time of inspection
    1.5 General definitions
    1.6 Nondestructive test personnel certification
    1.7 Procedure qualification and approval
    1.8 Maintenance of inspection records
    2. APPLICABLE DOCUMENTS
    2.1 Government documents
    2.2 Other publications
    2.3 Order of precedence
    3. RADIOGRAPHY
    3.1 Definitions
    3.2 General requirements
    3.3 Radiography requirements
    3.4 Penetrameters
    3.5 Shims
    3.6 Radiographic quality levels
    3.7 Single-wall and double-wall radiography
    3.8 Radiography of parts
    3.9 Radiography of repair welds
    3.10 Radiography of castings and forgings
    3.11 Radiographic film ownership
    4. MAGNETIC PARTICLE TESTING
    4.1 Intended use
    4.2 Definitions
    4.3 Magnetic particle inspection requirements
    4.4 Non-relevant indications
    4.5 Final cleaning
    4.6 Arc strikes
    5. LIQUID PENETRANT TESTING
    5.1 Intended use
    5.2 Definitions
    5.3 Inspection methods
    5.4 General requirements
    5.5 Surface preparation
    5.6 Test procedures
    5.7 Test results
    6. ULTRASONIC TESTING
    6.1 Definitions
    6.2 Procedure and test methods
    6.3 Equipment
    6.4 General requirements
    6.5 Test methods
    6.6 Thickness measurements
    6.7 Bonding
    7. EDDY CURRENT TESTING
    7.1 Scope
    7.2 Definitions
    7.3 Eddy current inspection requirements
    7.4 Equipment requirements
    7.5 On-site verification/standardization
    7.6 Test technique
    8. VISUAL INSPECTION
    8.1 Scope
    8.2 Reference standard
    8.3 Procedure requirements
    8.4 Inspection techniques
    8.5 Dimensional inspection accuracy
    8.6 Lighting
    9. NOTES
    9.1 Subject term (key word) listing
    9.2 Changes from previous issue
    FIGURES
    1. Recommended X-ray voltage settings and radioisotope
         sources to be used with various steel and
         similar alloys
    2. Recommended X-ray voltage settings and radioisotope
         sources to be used with varius copper-base and
         similar alloys
    3. Recommended X-ray voltage settings and radioisotope
         sources to be used with various aluminium,
         magnesium and similar alloys
    4. Penetrameter designs
    4a. Penetrameter identification notching
    4b. Maximum allowed Ug
    4c. Recommended increase in source-to-film distance
         for various radioisotope sources with lengths
         greater than 1/8 inch
    5. Examples of material thickness (Tm) and specimen
         thickness (Ts)
    6. Magnetic field indicator
    7. Skip distance example
    7a. Accepted scanning techniques for butt welds
    8. Typical ultrasonic calibration plot for vertical
         linearity
    9. Typical reference calibration standard
         (sensitivity)
    10. Typical viewing screen calibration (butt welds)
         (with dB control)
    11. Typical viewing screen calibration (butt welds)
         (without dB control)
    12. Scanning procedures for welds
    13. Scanning procedure for tee welds
    14. Typical viewing screen calibration (tee welds)
         (with dB control)
    15. Typical viewing screen calibration (tee welds)
         (without dB control)
    16. Surface opposite attachment member accessible
    17. Surface opposite attachment member not accessible
    18. Recommended probe-to-weld attitude for eddy
         current standardization and scanning operations
    TABLES
    I. Examples of penetrameter identification
    II. Penetrameter placement for welds
    III. Allowable film-side penetrameters
    IV. Definition of radiographic quality levels
    V. Minimum radiographic quality levels for Iridium-
          192 radiography of nonstructural welds
    VI. Calibration hole size for longitudinal test
    VII. Calibration reference notch dimensions of square
          and "U" bottom notch

    Abstract - (Show below) - (Hide below)

    Covers non-destructive testing for determination of internal and surface discontinuities in metals.

    General Product Information - (Show below) - (Hide below)

    Committee AREA NDTI
    Document Type Standard
    Publisher US Military Specs/Standards/Handbooks
    Status Superseded
    Superseded By

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