Development of Bengang 9260 square steel for 155 shell

The text introductive situation that Bengang adopt process route of produce combine between BOF and special rolling for development 9260 square steel for 155 shell. The results of the development express: Bengang 9260 square steel for 155 shell exactly attain requisition of the standard ASTM711-81 from the American troop in respect of chemical composition, mechanical propeties, macroscopic structure and appearance of the size?Bengang successful resolve technical difficult problems of flaw with flake, stress crackle pinhole, qualities of products have stabilized and satisfied urgently necessity for national defense.