Our Alloy Steel F9 Threaded Flanges can be steam - cleaned and disinfected and doesn't require paint or other surface achievements. Mix Steel F9 Flanges are contained chromium molybdenum steel composite and as such have a high break obstruction. They are also delighted in by virtue of their light weight as a result of the low carbon and high mix nature. It is particularly impervious to sulfide use breaking, and can in this way traverse hydrogen assaults.