Knowing the hardness of any metal or alloy is important, as this value gives you an indication of its ability to form and maintain a shape and is also a guide to its durability. The hardness value of a metal can be correlated to other properties such as tensile strength and in general, the harder a silver alloy is, the stronger it is and the more resistant it is to wear and scratching. In today’s post, Charles Allenden, of Argentium International, shares valuable wisdom about metal harness that will benefit all bench jewelers!