Ndodo ya aloyi yamagulu amapangidwa ndi granular alloy ndi zotanuka masanjidwewo carbide, pali kusinthasintha kwapadera pamwamba ndi utoto kuti azindikire kukula kwake. Chinthu chachikulu cha kukula kwa tinthu ndi tungsten carbide, kuuma komwe kuli pafupi HRA89-91. Mphamvu yamphamvu ndi pafupifupi 690MPa