Kitchen materials

Hello everyone, I am still fairly new to using blender, and I have only ever played around with materials once in cycles render.

I am using cycles render on a kitchen I am working on, and I need to start adding some materials. However I cannot really find any tutorials on it, what I need to do, is have the following:
Brushed stainless steel
Satin nickel
Cast iron
and Damascus steel.

I don’t know if I should create these as materials or simply use images from google and use textures.

Any insight as to what I should do and how to do it would be really helpful!


Brushed Stainless: