nice.
Rust is a subject that usually responds well to heavy saturation.
Often rusts' saturated red is nicely contrasted, in a bleeding eyeball way, with consequent oversaturated indigos of steel, greasy-blue gears, flaking paint, other likely textures. In your picture, some of the wire and maybe some background may shift into blue or indigo with over saturation. This sort of oversaturation, super hot-cold contrast, is 'not for the faint of heart'.
here is small sample of my rusty work by explanation: