... ring.Brass body material can be CW617N, CW602N, Hpb59-1, Hpb58-2, Hpb58-3, etc; fitting superficial treatment can be ... different sections according to diferent product-----heating these sections in intermediate frequency furnace-----hot stamping-----cutting burr-----shot blast ... -----testing and packing. codedimensionpackage (pcs)8033.161616*2,002008033.202020*2,00808033.262626*3,00508033.323232*3,0050