MRC:
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.MATL
Material:
Steel, qq-s-698, comp 1015, temper 4 or steel, qq-s-698, comp 1015, temper 5 or steel, qq-s-698, comp 1020, temper 4 or steel, qq-s-698, comp 1020, temper 5
MRC:
Consists of plating,dip,and/or coating that cannot be wiped off.plating and/or coating is any chemical and/or metallic additive,electrochemical,or mild mechanical process which protects a surface.SURF
Surface Treatment:
Cadmium, qq-p-416, type 2, class 2