The acoustic shell for steam mufflers is recommended to be made of stainless steel in our company. The connecting pipes should be determined based on the steam condition of the equipment. The three commonly used pipe materials are: 20G, 304 (0Cr18Ni9), 316 (1Cr18Ni9Ti/0Cr18Ni10Ti) stainless steel, and alloy steel pipes suitable for high temperature and high pressure.