forged pipe fittings 1,material:ASTM 304,ASTM316 2,surface:acid cleaning 3,process:forge-machine 4,make as your drawings forged pipe fittings1,material:ASTM 304,ASTM3162,surface:acid cleaning3,process:forge-machine4,make as your drawings5,it mainly use in chain,chainblock,shipbuiding,trucks,and general manchinery, and we can provide many different specifications as per the customers' drawings6, ...