Stainless steel appliances are used on daily bases. So because of daily use it get dirty. This stainless steel appliances needs to be clean on daily basis. But that is not possible on every day. So it get dirty and dirt is become very much and not remove by normal wash.
Some common method of cleaning stainless steel are following:
1) Take a stainless steel pan heat it first. Then put water in it .take it to boil and then add vinegar about couple of spoons and then switch it off the gas and swirl the pan
Ensure that you throw the water . Clean it with proper soap and once it cleaned dry it with paper towel.
2) Add warm water to the pan then squeeze leamon in it. Then rub the pan with it you will see the strains getting clean slowly . Keep doing it then wash it properly with soap once it cleaned then dry it with towel.
3) Cover your pan with generous amount of baking soda then just add enough amount of water to cover the bottom. Then turn on the gas to the high bring the water to boil and let it evaporate notice how it starts creeping up on the side it's exactly what you want . Once all the water evaporated put on some gloves bring it to the sink it's best to do this whole it is hot the take a scrubber brush with some dish sope and scrub it down . After few minutes of scrubbing your pan will be practically good.
4) Take pan put it on the gas . Then add baking soda in it then lemon in it and then boil it for few minutes and then wash it with soap.
These are some easy techniques you can do by using object's in your house.