Another great found!!! This UE4 standard material presets for beginner by Udorn EPIC Studio will surely be VERY helpful for any UE4 beginner 😀 It include 2 basic presets materials as follow :

Basic material options
Base Color + Diffuse & AlbedoTexture
Velvet Fuzzy
Specular
Metallic
Roughness
Normap + Bump
Displacment
Ambient Occlusion
UV Rotate and Scale

Basic glass material options
Glass Color
Metallic
Opacity
Roughness
Specular
Glass Normal
Reflection IOR
Reflection Falloff

Download at et Gumroad.