1.auto part/auto accessories/automobile part 2. Made by Continuous Cast ... compare sand casting, at same strength, elongation increase 50~100%2.ADI(Austempered Ductile Iron) ---σb≥1200Μpa,δ≥2 ... industries,such as railway vehicle, oil machine,engineering machine,auto parts,compressor, hydraulic and pneumatics,chemical pump, machine ... , gear Mine mechinanismwear resist sleeve, engine cylinder auto part