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A very hard tool steel will probably register about 70 on the what scale?
Rockwell C scale
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hard as a rock that is hard with extra hard bits
The hardness of steel is incomprehensible. It is very hard.
D-2 is a tool steel that is supplied in the annealed or soft condition. This grade must be hardened after machining . D-2 is heat treated between 1825 to 1875F. After heat tre…ating, the tool steel will attain a hardness of about RC 62-64. However, after hea treating, the steel is very brittle and must be tempered. Below is a list of common temperatures for D2 try this...... Tempering Â°C 150 200 250 300 350 400 HRc 62/61 61/60 60/59 57/56 56/55 56/55 See the related links for the D-2 tool steel data sheet and an introduction to the heat treating process.
Most steel is around 4 to 5; hardened steel can be up to 7.
A metal used in very hard steels is nickel. Nickel is used to makestainless steel, rechargeable batteries, tanks to hold corrosivechemicals, and the five cent coin.
It is 2.5 to 3.0 on the MHOS scale.
well the question you wrote do not make any and please stop wasting your time on question like these be more specific you retard!
Carbon (C) 0.95 . Manganese (Mn) 1.2 . Silicon (Si) 0.4 . Chromium (Cr) 0.5 . Tungsten (W) 0.5 . Vanadium (V) 0.2 . Phosphorus (P) 0.03 . Max Sulfur (S) 0.03
You can heat steel in a fire. That will take the 'temper' or hardness out, in most cases.
The Mohs hardness of sodium chloride is 2,5.
A typical steel knife would be in the 5-5.5 range on the Mohs scale.
the hardness for steel is suck it son
apatite, cobalt, zirconium, palladium, tooth enamel, obsidian (volcanic glass)