... Pipe/bar(ISO:400-18/500-7/600-3/700-2/800-1) ---spheroidization rate 90%,ball diameter 7~ ... strength, elongation increase 50~100%2.ADI(Austempered Ductile Iron) ---σb≥1200Μpa,δ≥2%,ak≥35J/mm23.Gray Cast Iron ... cylinder liner, piston ring, steering pump stator, gear Tractorshippingdry cylinder liner, piston ring, steering pump stator, gear Mine mechinanismwear resist sleeve, engine cylinder Air Compressor ...