A metal grade is usually determined by its chemical composition, its mechanical properties, or both.
A hardness test is typically performed by pressing a specifically dimensioned and loaded object (indenter) into the surface of the material you are testing
A coating thickness gauge is a device used to measure the thickness of dry film, paint, rust, or any other material being applied as a secondary layer to a metal surface.
Vehicle specifications, component pictures, technical data’s (manufacturer, material, LWH measurement, weight, fastener details, tools used to dismantle, reference photos, removal history photo, six angle photo), weight details. Creating the exploded view of the sub-system assembled sequence complete pictures of the reverse assembly of the vehicle.