forge parts/forgings/flanges with alloy steel Diameter:80-1000mm Heating and ... 's request*various shape:flanges,forgings,shafts,rings*good quality and reasonable price*application:auto parts,machinary,engineering Alloy steel ... forge parts/forgings/flangesMaterial:41cr4,42crmo4,38crmoal,37crnimo6,34crnimo6 ...