Definition of Stainless Steel
Stainless steel is still composed of metal, and is more resistant to rust. However, its by no means completely stain proof. Its generally regarded as stainless in room condition, but they will still stain when exposed to solutions.
18/8 Steel (used in forks, spoons, infusers): 18% Chromium, 8% nickel. A more expensive alloy that is more resistant to erosion.
18/0 Steel (used only in our knives): 18% Chromium, 0% nickel. A harder metal, and its necessary to put blade in so that its hard enough to cut with. Its also called 420 Steel.
Soaking will speed up corrosion, it will be particularly obvious in salt solution and acidic material. Dry the cutlery quickly after use, cleaning for a long lasting performance. Do not soak more than 15 minutes.
Avoid using abrasive scrubs or steel wire scourers during hand wash. Wash off any food remains as soon as possible with hot water and a neutral detergent.
They are dishwasher safe but do not leave them in the dishwasher for a prolonged period of time. Remove and dry as long as the cycle ends. Please beware some extremely high temperature dishwasher might damage the cutlery.
Knife blades are made in 420 stainless steel (aka 18/0) . Out of all the cutlery tools, knives are the ones that need to be taken care of the most. 420 Steel, which gives higher cutting force with hardness, is less resistance to oxidation. Make sure knives are washed immediately after use and well dried before putting them away in a dry place.
Knife blades are made in 420 stainless steel (18/0). With higher percentage of carbon in the knife, makes it more exposed to corrosion. It is advised not to use strong, chlorine-based or anti limescale detergents, they will expose your cutlery to rust much easier and faster, especially on knives and the Brass version of it. However they are safe to use with food, general food will not corrode the blade.
Try to use them with care. They would scratch each other so as much as we want to use them casually, try not to stack them in dishwasher.
Surface patina will appear over time due to nature of the material. Its particularly obvious in matt surface but it will be harmless to use.