The hardness range of special steel typically varies between 20 and 70 HRC (Rockwell Hardness Scale).
The hardness range of special steel can vary depending on the specific type and composition, but it typically falls within the range of 50 to 65 HRC (Rockwell Hardness Scale).
The hardness range of special steel can vary depending on the specific alloy and heat treatment, but generally it falls between 50 and 70 on the Rockwell C hardness scale.
