How to make a procedural metal material in Blender [2.92] - YouTube
Chocofur Chocofur Metal Shader for Blender 2.79
Blender Guru - Pretty sick Metal material setup, created by Milin Patel: http://18blend.blogspot.com.au/2014/11/metal-material-experiments.html | Facebook
Free Metallic Materials (Link in the comments) : r/blender
Worn Shiny Metal PBR Material - Free PBR Materials
Brushed Metal PBR Material - Free PBR Materials
Blender Tutorial - How to create a high polished, glossy Metal Shader Material for Cycles on Vimeo
Blender Metallic Black Material using Principled BSDF Shader - cgian.com
shaders - How to create this colorful metal material? - Blender Stack Exchange
Metal material for Blender (no UV's needed) by Nikola3D on DeviantArt
cycles render engine - Rough Metal Material - Blender Stack Exchange
rendering - Metal shader way too dark - Blender Stack Exchange
BSDF Principled — Blender Manual
Blender Tutorial - Creating Realistic Procedural Brushed Metal - YouTube