This refers to the chromium/nickel ratio in stainless steel. Items such as knives have a different ratio than forks because they serve a different purpose; knives need to be harder than forks as they have to cut.
This refers to the chromium/nickel ratio in stainless steel. Items such as knives have a different ratio than forks because they serve a different purpose; knives need to be harder than forks as they have to cut.