There are two types of Longflived Low-Carbon Steel Shot. One is Low-Carbon Steel Cut Wire Shot and the other one is Cast Low-Carbon Steel Shot. Longlived Low-Carbon Steel Cut Wire is made from high quality low-carbon steel, Chinese grade Q195. Benefit from its lower hardness, only HRC 25-35, it often used on die casting parts which have lower hardness to avoid these parts being damaged when shot blasting.