I added some roughness to the texture to give it a weathered look. It can be used in a game like an industrial setting, a foundry or factory. I added some scafolding in the FBX and OBJ models.
STL (Stereolithography, filesize: 189 MB), OBJ (OBJ, filesize: 303 MB), FBX (Autodesk FBX, filesize: 95.9 MB)