ST: Strength in materials
52: that the lowest tensile strength
ST: Strength in materials 52: that the lowest tensile strength
The typical hardness values for C45 steel is around 167-229 HB, for ST52 it is around 201-255 HB, and for SAE4140 it is around 217-249 HB. Hardness values can vary depending on the specific heat treatment and processing of the material.
ST52.3 is a low carbon manganese steel that has a typical hardness range of 180-220 HB (Brinell Hardness). It is commonly used in the construction of various mechanical components due to its good combination of strength and toughness.
96Mpa
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.