General Surface Finishes for Different Materials

As a professional custom CNC machining manufacturer, based on our more than ten years of manufacture experience, it is hereby re-listed the general surface finished for different materials:

– Aluminium, the most commonly used aluminmium alloy type is 6061 and 7075 etc.
For the aluminium parts, the surface finish can be None surface finish, black / white / color Anodize, and sand blast with anodize, polish, brush etc.

– Steel, the commonly used steel alloy type is 1045, 1214 etc. And it will be specific according to the material type specified demand by the customers.
Steel part also can be done with None surface finish, (It always do the corresponding requirements of anti- rust treatment ), and it also can be finished by black oxide, powder coating, platting ( zinc plating, nickel plating, chrome plating etc. ), electrophoresis etc..

– Stainless Steel, the common type is 304, 303, 316 etc.. And it will be specific according to the material type specified demand by the customers.
For the stainless Steel components, the most common surface finish is None surface finish, also can be finished with polish brush etc.. One of our customers has done blue powder coating for a stainless steel part.

We also produce parts made from copper, brass, bronze, and titanium, and nickel components. And for these quality metal components, generally customer selects none finish, as we can still get nice and smooth surface quality even under none/raw finish.