... sand casting, at same strength, elongation increase 50~100%2.ADI(Austempered Ductile Iron) ---σb≥1200Μpa,δ≥2%,ak≥35J/mm23 ... related products in blank, such as cylinder liner,piston ring,ADI bushing,sealing ring,suction pipe etc. By using our profile ... , steering pump stator, gear Mine mechinanismwear resist sleeve, engine cylinder ADI liner