WELDING OPERATIONS I - OD1651 - LESSON 1/TASK 2
(2) Generally, the butt strap method is satisfactory for
repairing up to one inch or thicker of face hardened armor.
However, it is usually only used on thicknesses up to and
including 1/2 inch plate.
(3) Another accepted procedure for welding face hardened armor
above 1/2 inch in thickness is the double V joint method, as
shown in figure 43. This method requires that the soft side of
the plate be
V JOINT WELDING FACE
HARDENED ARMOR PLATE.