MIL-STD-2219 Fusion Welding for Aerospace Applications S/S by AWS-D17.1The scope of this document is to provide minimum requirements for weld filler materials, workmanship, inspection and record requirements for fusion welding of alloys applicable to aircraft, missiles, other aerospace equipment, their parts and accessories.

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MIL-STD-2219A

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CONTENTS

PARAGRAPH                                                                                                            PAGE

5.4.5.1 Rejections............................................................................................................28

5.4.5.2 In-process correction ...........................................................................................28

5.4.5.2.1 For Class A welds .........................................................................................28

5.4.5.3 Class B welds......................................................................................................29

5.4.5.4 Class C welds......................................................................................................29

6. NOTES .................................................................................................................................30

6.1 Intended use....................................................................................................................30

6.2 Acquisition requirements..................................................................................................30

6.3 Subject term (keyword) listing ..........................................................................................30

6.4 Clarification and cross reference of classes .....................................................................30

6.5 Welding safety .................................................................................................................31

6.6 Cognizant engineering organization.................................................................................31

6.6.1 Examples...................................................................................................................31

6.7 Changes from previous issue...........................................................................................31

APPENDIX A.  Procedure Qualification Record (PQR) .............................................................33

APPENDIX B.  Welding Procedure Specification (WPS) ...........................................................35

FIGURES

FIGURE 1.  Variations of root openings. ...................................................................................15

FIGURE 2.  Allowable separation..............................................................................................15

FIGURE 3.  Two and three piece tee and seam weld joints.......................................................16

FIGURE 4.  Back beveling magnesium. ....................................................................................16

FIGURE 5.  Weld reinforcement profiles. ..................................................................................23

FIGURE 6.  Penetration profiles................................................................................................23

FIGURE 7.  Melt through welds.................................................................................................24

FIGURE 8.  Melt through tee joints............................................................................................24

TABLES

TABLE I.  Gases (minimum requirements). ...............................................................................13

TABLE II.  Maximum root opening.............................................................................................14

TABLE III.  Shielding gas and material combinations. ...............................................................20

TABLE IV.  Minimum fillet weld sizes. .......................................................................................25

TABLE V.  Discontinuity limits. ..................................................................................................27

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