![The Rolling Process of the Valve Stem](https://img.jeawincdn.com/resource/upfiles/98/images/news/2022/the-rolling-process-of-the-valve-stem_PguDoq.jpg?q=80&fm=webp&s=164d30a6df5e78b215b007142d2eda21)
Oct
The Rolling Process of the Valve Stem
The valve stem is an important part in the valve, and its machining accuracy and quality directly affect the performance of the finished valve, especially the trapezoidal thread and bare stem. Forged valves with small diameters whose valve stems are made from martensitic stainless steel 2Crl3 and austenitic stainless steel OCrl8Ni9 manufactured by a company have the following disadvantages: (1) They contain a large amount of cf, Ni, Mn and other elements, and have good plasticity, toughness, high-temperature...