... grey iron and ductile iron SpecificationsGrey iron casting connection part;1. it's pipe fitting castings 2. ... material test certificates are available upon request ItemDescriptionProcessing TechnicDie casting Part materialADC12, A380, AlSi12, A356, ZL102, YL104, YL112, ... drilling machine, numerical lathe, Shot blasting machine, Melting furnace, Sawing machine, The air compressor and so on.Surface ...