The hardness of steel is incomprehensible. It is very hard.
Minimum hardness of Mild steel is about 140 Vickers hardness.
The hardness of St 52 steel is typically around 200-280 BHN (Brinell hardness number).
The hardness of UST-36 steel is usually around 197-235 HB (Brinell hardness) or 20-23 HRC (Rockwell hardness).
Rockwell hardness
The hardness of 1730 steel can vary depending on the heat treatment process it has undergone. However, it typically has a hardness in the range of 58-63 HRC (Rockwell Hardness).
Stainless steel has a hardness level of around 5.5 on the Mohs scale.
A steel nail cannot scratch minerals that are harder than itself, which has a Mohs hardness of about 4.5. This means it cannot scratch minerals such as quartz (hardness 7), topaz (hardness 8), corundum (hardness 9), and diamond (hardness 10). These minerals possess greater hardness and will resist scratching by a steel nail.
A rock that is harder than steel and has a hardness of 6.5 on the Mohs scale is likely to be quartzite or certain types of granite, which can reach hardness levels between 6 and 7. However, for a more precise example, diamonds, with a hardness of 10, are significantly harder than steel but are not in the 6.5 range. Other minerals like topaz (with a hardness of 8) and corundum (with a hardness of 9) also exceed steel's hardness.
Yes. A steel nail has a Mohs hardness greater than that of fluorite.
I need to know the hardness for c - 45 steel.
The hardness of a steel nail is about 4.5 (About the same hardness of the mineral Fluorite.)
HRB stands for Rockwell Hardness Scale B, which is a measure of the hardness of a material. In steel, HRB is commonly used to determine the hardness of the material, with a higher HRB value indicating a harder material.