... process 3)satin or mirror polish stainless steel pipe connectorSpecification1, investment casting ,precision casting2, carbon steel / alloy steel /stainless steel3, SDM/OEM4, FIMA , AP,QP ... and finish part design .1,Standard linear Tolerance (mm)As-cast tolerances of angles is mainly a founction of the part design ... /8 .40 1.54 2.14 1,200 S0114-00121/2 1/2 .47 1.89 2.59 1,500 stainless steel pipe ...