steel shot1.type: S70, S110, S170, S230, S280, S330, S390, S460, S550, S660, S780, S9302.size: 0.2mm to 3.0mm3.microstructure: tempered martensite or troostite4.shape: round or similar round5.hardness: HRC 40-656.density: >7.20g... More
Shandong Yafeite Metal Products Co., Ltd.
Main Products: steek shot, steel grit, steel cut wire... More