Primary uses for wrot brass are for ball valve stems and balls, and iron valve stems. a forging grade of brass is used in ball valve bodies and pieces.
黄铜的主要用途是球阀阀杆和球体，和铸铁阀门的阀杆。可锻黄铜可用于球阀阀体和断口部件。
2
The forming technology and parameters for hot forging of the brass brake shield, and the structure and the working process of the die were introduced.