8.8-a2a grade steel = 6.800000000000001
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It is carbon steel with zinc coating. The 8.8 is a medium carbon steel, quenched and tempered with carbon content between 0.25 to 0.55 %. The first letter A means Zinc. The 2 means the coating thickness is 5 micro-meters. The last 2 means the gloss on the zinc is colourless (its not yellowed or darkened).
marthi
No, B7 is high carbon steel alloy. G8 & G5 products are both medium carbon steel, but G8 has been hardened. Grade 8 steel and B7 are both harder than average low carbon steel. However they will both exhibit different characteristics from each other. The biggest difference will be that Grade 8 is much more brittle.
grade of tenderness?
A
It's an fantastic grade. I say 85-100 is a good grade