1040,45# fixed flange,1040 flange,finish machining flange Forged Steel Flanges Process procedure: Forging process flow quality control: Raw material ....
Q345D 4130 Forged Steel Flanges Wind Power Flange 9000MM Diameter Products reference: Material Q345D,4130,18CrNiMo7-6,16Mn,class1,1.7220 Max dia ......