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  • NAVSEA T9074 AD GIB 010/1688 : 0

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    REQUIREMENTS FOR FABRICATION, WELDING AND INSPECTION OF SUBMARINE STRUCTURE

    Available format(s):  Hardcopy

    Language(s):  English

    Published date:  01-01-1997

    Publisher:  Naval Sea Systems Command

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

    1 SCOPE
    2 APPLICABLE DOCUMENTS
    3 DEFINITIONS
    4 QUALIFICATION REQUIREMENTS
    5 QUALITY CONTROL AND RECORD REQUIREMENTS
    6 INSPECTION REQUIREMENTS
    7 INSPECTION ACCEPTANCE STANDARDS
    8 INSPECTION OF MATERIALS
    9 FORMED MATERIALS AND WELDS
    10 WELDING MATERIALS
    11 WELDING DESIGN
    12 ERECTION REQUIREMENTS
    13 WELDING REQUIREMENTS
    14 WORKMANSHIP REQUIREMENTS
    15 CASTINGS
    16 REQUIREMENTS FOR MIL-120 AND MIL-140 SERIES FILLER
          MATERIALS
    Figure 1 - Typical contour for fillet groove tee welds and
               fillet welds
    Figure 2 - Functional diagram of submarine structure
    Figure 3 - Examples of members for attachment welds
    Figure 4 - Hard tank welds
    Figure 5 - Clad areas for O-ring or gasket seating surfaces
    Figure 6 - Quality control hull circularity measurement
               record
    Figure 7 - Complementary circularity measurements
    Figure 8 - Partial circularity measurements
    Figure 9 - Pressure hull fairness data sheet
    Figure 10 - Record of frame dimensions
    Figure 11 - Application examples of table 6-4, category
                I.A.1.
    Figure 12 - Examples of end intersection welds of, or
                transverse welds in, beam-type or built-up
                members
    Figure 13 - MT inspection requirements for repair of full
                penetration welds in the pressure hull envelope
                where the total repair depth is greater than
                1/3 T but less than or equal to 2/3 T
    Figure 14 - MT inspection requirements for repair of full
                penetration welds in the pressure hill envelope
                where the total repair depth is greater than
                2/3 T
    Figure 15 - RT/UT requirement for flanged to unflanged frame
                transitions
    Figure 16 - Device for bend testing welded studs
    Figure 17 - Nomograph of outside surface elongation after
                bending or rolling
    Figure 18 - Typical gages
    Figure 19 - End-melt and corner-melt
    Figure 20 - Contoured weld requirements
    Figure 21 - Single fillet tee joint
    Figure 22 - Penetration through special sandwich bulkhead
                with solid filler
    Figure 23 - Location of penetration attachment welds in
                relation to butts and seams
    Figure 24 - Inserts, patches, and small access plates in
                pressure hull envelope
    Figure 25 - Inserts, patches and small access plates in
                plating and structure other than the pressure
                hull envelope
    Figure 26 - Inserts, patches, or small access plates in
                pressure hull envelope which land on or cross
                existing butt welds
    Figure 27 - Drain, vent or permanent snipe opening
    Figure 28 - Pressure hull frame tolerances
    Figure 29 - Tolerance for unfairness of welded plate panels
    Figure 30 - Weld repair of holes
    Figure 31 - Temporary snipe in corner or connecting
                structural member which intersects two or more
                other members
    Figure 32 - Temporary snipe in structural member connection
                crossing a butt weld
    Figure 33 - Patch plate detail for closing temporary snipes
                in corner of connecting structural member which
                intersects two or more other members
    Figure 34 - Patch plate detail for closing temporary snipes
                in structural member connection crossing a butt
                weld
    Figure 35 - Backgouged weld root and weld repair excavation
                contours
    Figure 36 - Suggested mechanical peening tools
    Figure 37 - Typical weld repair configurations for castings
    Figure 38 - Weld location examples
    Table 6-1 - MT inspection requirements for HY and HSLA
                materials
    Table 6-2 - MT inspection requirements for higher strength
                steel (HSS)
    Table 6-3 - MT inspection requirements applicable to HY and
                HSLA base material, mill defects and forming
    Table 6-4 - RT or UT inspection requirements
    Table 6-5 - Stud minor diameters
    Table 7-1 - Undercut, end-melt and corner-melt
    Table 8-1 - Electrode sampling plan
    Table 9-1 - Cold-forming temperature requirements
    Table 9-2 - Hot-forming temperature requirements
    Table 10-1 - Filler materials for ferritic steels
    Table 10-2 - Filler materials for welding ferrous materials
                 to non-ferrous metals and austenitic stainless
                 steels and for welding nickel base and copper-
                 nickel alloys
    Table 10-3 - Filler materials for austenitic stainless-steel
                 alloys
    Table 10-4 - Filler materials for wrought aluminium alloys
    Table 11-1 - Weld joint design requirements
    Table 11-2 - Maximum joint efficiencies for HY-100 or
                 HSLA-100 to HY-100 or HSLA-100 weld joints
    Table 12-1 - Pressure hull frame tolerances
    Table 12-2 - Tolerances for frame spacing
    Table 12-3 - Alignment tolerance
    Table 13-1 - Preheat and interpass temperature limits
    Table 13-2 - HY and HSLA (welded with other than MIL-120 or
                 MIL-140 series filler material) heat input
                 limitations
    Table 13-3 - Alternate heat input limitations
    Table 13-4 - Stress relief procedure
    Table 13-5 - Stress relieving parameters
    Table 15-1 - NDT requirements for castings
    Table 15-2 - RT acceptance criteria for ferrous castings
                 of carbon steel, corrosion-resistant steel,
                 cobalt-chromium-tungsten, and alloy steels
                 (including HY-80/100/130)
    Table 15-3 - RT acceptance criteria for copper based
                 castings of nickel bronze, copper-nickel,
                 aluminium bronze, nickel-aluminium-bronze,
                 manganese bronze, and nickel-copper
    Table 15-4 - RT acceptance criteria for tin-bronze castings
    Table 15-5 - RT acceptance criteria for aluminium castings
    Table 16-1 - Heat input guidelines when using MIL-120 series
                 filler material
    Table 16-2 - Production weld process control verification
                 test matrix

    Abstract - (Show below) - (Hide below)

    Gives the minimum requirements for fabrication and inspection of submarine and non-combatant submersible structure, inclusive of shipbuilding practices, specifications for materials, weld joint design, workmanship, welding, inspection and record requirements.

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

    Development Note Supersedes MIL-STD-1688 (A)
    Document Type Standard
    Publisher Naval Sea Systems Command
    Status Current
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    ASTM F 1565 : 2000 : R2019 Standard Specification for Pressure-Reducing Valves for Steam Service
    NAVSEA T9074 BD GIB 010/0300 : 0 BASE MATERIALS FOR CRITICAL APPLICATIONS: REQUIREMENTS FOR LOW ALLOY STEEL PLATE, FORGINGS, CASTINGS, SHAPES, BARS, AND HEADS OF HY-80/100/130 AND HSLA-80/100
    MIL DTL 22606 : D FLASK AND END PLUGS, COMPRESSED GAS - AIR, OXYGEN, AND NITROGEN
    ASTM F 1565 : 2000 : R2006 Standard Specification for Pressure-Reducing Valves for Steam Service
    ASTM F 1565 : 2000 : R2013 Standard Specification for Pressure-Reducing Valves for Steam Service
    ASTM F 1565 : 2000 Standard Specification for Pressure-Reducing Valves for Steam Service

    Standards Referencing This Book - (Show below) - (Hide below)

    MIL E 24403/2 : C ELECTRODES - WELDING, FLUX CORED, LOW ALLOY STEEL
    MIL E 22200/4 : D ELECTRODES, WELDING, COVERED, COPPER-NICKEL ALLOY
    MIL E 22200/2 : D ELECTRODE, WELDING COVERED (AUSTENITIC CHROMIUM NICKEL STEEL, FOR CORROSIVE AND HIGH TEMPERATURE SERVICES)
    MIL E 22200 : G ELECTRODES, WELDING, COVERED: GENERAL SPECIFICATION FOR
    MIL E 23765/1 : E ELECTRODES AND RODS - WELDING, BARE, SOLID AND ALLOYED CORED, ORDINARY STRENGTH AND LOW ALLOY STEEL
    MIL S 23008 : D STEEL CASTINGS, ALLOY, HIGH YIELD STRENGTH ((HY-80 AND HY-100)
    MIL E 24355 : B ELECTRODES, WELDING, BARE, SOLID NICKEL MANGANESE CHROMIUM MOLYBDENUM ALLOY STEEL FOR PRODUCING HY 13O WELDMENTS FOR AS WELDED APPLICATIONS
    MIL STD 2035 : A NONDESTRUCTIVE TESTING ACCEPTANCE CRITERIA
    MIL S 24512 : 0 STEEL FORGINGS, ALLOY, STRUCTURAL, HIGH YIELD STRENGTH (HY-13O)
    MIL E 22200/5 : C ELECTRODES, WELDING, MINERAL COVERED, IRON-POWDER, LOW-HYDROGEN, LOW-ALLOY STEEL FOR HARDENING AND TEMPERING HEAT TREATMENT APPLICATIONS ONLY
    MIL E 22200/9 : B ELECTRODES, WELDING, MINERAL COVERED, LOW HYDROGEN OR IRON POWDER, LOW HYDROGEN, NICKEL MANGANESE CHROMIUM MOLYBDENUM ALLOY STEEL FOR PRODUCING HY 130 WELDMENTS FOR AS WELDED APPLICATIONS
    MIL E 24403 : A ELECTRODES - WELDING, FLUX CORED, GENERAL SPECIFICATION FOR
    MIL E 24403/1 : D MILITARY SPECIFICATION - ELECTRODES - WELDING, FLUX CORED, ORDINARY STRENGTH AND LOW ALLOY STEEL
    MIL S 24645 : A STEEL PLATE, SHEET, OR COIL, AGE HARDENING ALLOY, STRUCTURAL, HIGH YIELD STRENGTH (HSLA 8O)
    MIL E 23765 : B ELECTRODES AND RODS - WELDING, BARE, SOLID AND ALLOYED CORED, GENERAL SPECIFICATION FOR
    MIL E 21562 : E ELECTRODES AND RODS - WELDING, BARE, NICKEL ALLOY
    MIL E 22200/3 : F ELECTRODES, WELDING, COVERED, NICKEL BASE ALLOY AND COBALT BASE ALLOY
    MIL E 23765/2 : E ELECTRODES AND RODS - WELDING, BARE, SOLID OR ALLOYED CORED, LOW ALLOY STEEL
    MIL E 22200/1 : G ELECTRODES, WELDING, MINERAL COVERED, IRON-POWDER, LOW-HYDROGEN MEDIUM AND HIGH TENSILE STEEL, AS WELDED OR STRESS-RELIEVED WELD APPLICATION
    MIL STD 1628 : 0 FILLET WELD SIZE, STRENGTH, AND EFFICIENCY DETERMINATION
    MIL STD 22 : D WELDED JOINT DESIGN
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