1060 pure aluminum rods, how to process hardness?
Aluminum itself is not hard, but after cold hardening (harder than most wood), it can also make many weapons. Beauty without rust.
Aluminum sword, if you chop it at high speed, it can also kill effect. Piercing can be hurt.
Hardness, HB, is generally referred to as Brinell hardness in the mechanical industry". Brinell hardness measurement method is to use a hardened steel ball, such as the diameter of 5 mm steel ball, with a certain force into the parts or material surface, and then measure the indentation size, read the hardness value.