1/4 hard temper, 0.025' Thick
Steel rusts. Scale will vary in appearance depending on the stage of this process. You may get light grey scales, or dark oily grey, or rusty, or partially rusty. All of this is normal and expected with mild steel.
Alloy 1075 steel - can be heat treated
Size: 7/8” x 1.41” with 0.35” hole (22.2mm x 35.8mm,8.9mm hole)
Ring size for standard overlapping scalemail pattern: 16g SWG 5/16" ID
Scales per square foot: approximately 300
You will need 2 rings per scale; more if you are stabilizing the edges.