The Aluminum Cut Wire Shot is offered in a variety of compositions, encompassing both blended aluminum grades (4043 and 5053) and specialized aluminum alloy grades like type 5356. The blended grades exhibit a moderate Rockwell hardness, falling within the B range and approximately equivalent to a value of 40. Conversely, the type 5356 alloy boasts a superior Rockwell B hardness, ranging from 50 to 70, showcasing its enhanced durability.