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

w/CHANGE 1

c.    For material 0.510 inch and thicker - 0.170 inch maximum.

5.4.3.4 Two and three piece tee joints

Melt-thru weld dimensions for two and three piece tee joints are as shown in FIGURE 8.

FACE REINFORCEMENT

"t"

R                  FACE REINFORCEMENT                     R

ROOT REINFORCEMENT

R

FACE REINFORCEMENT R = WELD REINFORCEMENT

R                          "t"

FIGURE 5.  Weld reinforcement profiles.

COMPLETE PENETRATION

COMPLETE PENETRATION

(a) WELDED FROM ONE SIDE WITHOUT BACKING STRIP

COMPLETE PENETRATION

COMPLETE PENETRATION

ROOT EDGE

ROOT EDGE

(b) WELDED FROM ONE SIDE WITH BACKING STRIP

FIGURE 6.  Penetration profiles.

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