This is a category of high quality PBR Metal textures. All textures are free for commercial use.
TextureCan - Free High Quality CG Textures
PBR Material Texture set 034 Alien Silver Metal free VR / AR / low-poly Texture
Painted Metal 01
Blue corrugated metal PBR texture seamless 21776
free pbr material - Virtual Lands 3d
Aidos Anayev on LinkedIn: Painted metal PBR texture pack
ArtStation - Galvanized Iron Metal 3D texture PBR High Resolution Free Download 4k
Grimy PBR Metal Material Physically based rendering, Metal, Material textures
Super PBR Free 3D Material Texture Library
3D textures PBR free Download - Iron
Metallic Magic: 90+ PBR Metal Textures for 3D Design