Our main products are steel shot, steel grit, steel cut wire shot. With strong technical force, advanced equipment with 10T electric arc furnace, centrifugal blasting machine etc, and the domestic factory can produce high strength, long durable cast steel shot and grit. Imported fatigue tester from U.S.A. and ICP spectrometer produced in Germany Spike Company, we can guarantee all the products meet the standard of SAE. We have also gained the quality certificate of ISO 9001-2000 and our products are well sold all over the country, exported to over 20 countries and regions around the world, and widely accepted by the users in the fields of mechanical, ship-building, automobiles, locomotives, containers, steel components, cast and forging industries, rock cutting, etc.. SAE standard steel shot and steel grit Chemical Composition of the products: C 0.70-1.20%, Mn 0.60-1.20%, Si 0.40-1.20%. Hardness: steel shot: 40-60HRC steel grit: 42-66HRC Density: steel shot: 7.4g/cucm steel grit: 7.6g/cucm Microstructure: Tempered Martensite or Sorbite. High strength, long lasting Ervin life: Cast steel shot and grit: 2000 cycles; Steel cut wire shot: 2800 cycles. Products specification: Steel Shot: S780,S660,S550,S490,S390,S330,S280,S230,S170,S110,S70 Steel Grit: G14,G16,G18,G25,G40,G50,G80,G120 Steel cut wire shot:1.0mm, 1.5mm, 2.0mm skype viviankaitai