The numbers 18/0, 18/8 and 8/10 refer to the percentage of content of chromium and nickel. To be classified as stainless steel, the metal must contain at least 11 % chromium (no nickel required). Stainless steel used in cookware is normally 18% chromium and 8% to 10% nickel. Hence one going for a stainless steel then one must be careful about the above percentages of the Chromium and Nickel. Visit at Stainlesssteelsupplies.net to know more about the stainless steel.