초록 ▼

A low cost penetrator projectile is disclosed having a hard metal penetrator core with a generally hollow conical shape. The core is formed from low carbon steel in a series of progressive dies. The formed cores are then carburized and tempered to achieve a final Rockwell hardness of between about C

A low cost penetrator projectile is disclosed having a hard metal penetrator core with a generally hollow conical shape. The core is formed from low carbon steel in a series of progressive dies. The formed cores are then carburized and tempered to achieve a final Rockwell hardness of between about C50 and C55.

대표청구항 ▼

A small caliber hollow cone penetrator projectile comprising: a hard strip metal carburized penetrator core having a generally hollow conical shape, said core being formed in a series of progressive dies from a strip of low carbon steel and then carburized to a uniform Rockwell hardness of at least

A small caliber hollow cone penetrator projectile comprising: a hard strip metal carburized penetrator core having a generally hollow conical shape, said core being formed in a series of progressive dies from a strip of low carbon steel and then carburized to a uniform Rockwell hardness of at least C50; a generally soft heavy metal slug body behind said core, said body having a portion extending centrally within said hollow core; and a metal jacket over said body and said penetrator core enclosing said core and at least a portion of said body.