we manufacture and supply high quality steel grit,steel shot around the world.Duoleng has been a leader in the abrasives market,an ISO9001:2008 certified and SAE standard.the only producer of bearing alloy steel grit in china.steel shot available in sizes from S70 to S930,ideal for surface cleaning of new steel to remove mill scale.alloy steel grit available in sizes from G10 to G120 and three levels of hardness(GP,GL,GH). Place of Origin: Fujian, China (Mainland) Brand Name: DUOLENG Model Numbers:s70 s170 s230 s280 s330 s460 s390 s550 s660 s780 s930 Material:alloy steel Usage:shot peening Abrasive Grain Sizes:0.3mm-2.8mm Hardness:standard or special Feature:alloy steel,Cr included Shape:round Density(g/cm3):≥7.20 Color:steel grey packaging:25kg on 1 bag,40 bags on 1 ton wooden pallet. Available in sizes from S170 to S930