本规范涵盖了三种标称厚度为0.250至3.000英寸（含0.250至3.000英寸）的焊接和非焊接应用锻造铝合金装甲板（见6.2）。对于附录A中列出的九种厚度的I级装甲，已确定锻造铝合金AA5083装甲的可焊性。对于该厚度的II级装甲，已确定锻造铝合金AA5456装甲的可焊性；（待定）。锻造铝合金AA5059装甲的可焊性仅适用于该厚度的III级装甲；1.500‰Û.

This specification covers three wrought aluminum alloy armor plate for both welded and non-welded applications in nominal thicknesses from 0.250 to 3.000 inch, inclusive (see 6.2). The weldability of wrought aluminum alloy AA5083 armor has been determined for Class I armor for nine thicknesses as listed in Appendix A. The weldability of wrought aluminum alloy AA5456 armor has been determined for Class II armor for this thickness, only; (To be determined). The weldability of wrought aluminum alloy AA5059 armor has been determined for Class III armor for this thicknesses, only; 1.500‰Û.