If necessary, you can modify the model using the ".blend" file.

This model has such materials with the following 4K textures:

1) MI_MetalTreadPlate01

T_MetalTreadPlate01_BC.png

T_MetalTreadPlate01_MT.png

T_MetalTreadPlate01_N.png

T_MetalTreadPlate01_R.png

2) MI_MetalCopperClean01

T_MetalCopperClean01_BC.png

T_MetalCopperClean01_MT.png

T_MetalCopperClean01_N.png

T_MetalCopperClean01_R.png

3) MI_MetalSteelBlackened01

T_MetalSteelBlackened01_BC.png

T_MetalSteelBlackened01_MT.png

T_MetalSteelBlackened01_N.png

T_MetalSteelBlackened01_R.png