Abstract: To select a suitable material for the friction surface of an incremental launching slippage system of a prefabricated segment of a immersed tunnel, the static and dynamic friction coefficients of four material groups, i.e., stainless steel plate-PTFE, stainless steel plate-NGE, ordinary steel plate-PTFE and ordinary steel plate-NGE, were tested. A 20 000 kN load-shearing test machine was used for the test utilizing the double-shear method. The test results indicate that: the friction coefficient of the combined stainless steel plate and PTFE plate is the smallest, and that of the combined ordinary steel plate and PTFE plate is the largest; and lithium-based lubricant and water have visible effects on reducing the static and dynamic friction between the stainless steel plate and PTFE plate, while the effect of lithium-based lubricant on friction reduction declines with the attenuation of the lubricant layer due to squeezing. The test results provide a significant reference for selecting material for the friction surface of incremental launching slippage systems, as well as for disposal measures for lubrication.