Steel shot - S110-S930 - Hardness: 40-50 HRC; 50-60 HRC - Grade: Normal grade and special grade - 1000mts/month - 25kg/bag - Purpose: shot blasting, abrasive medias to remove dust from steel surface - Top quality and reasonable rates - Immediately delivery available - Customized production available 25kgs/bag,40bags/sack/pallet