We are using 2" and smaller Sch 80 stainless pipe with NPT connections in a liquified gas application. We have found that tightening the joints to seal at room temperature will maintain a seal when vapor is introduced, but will begin leaking when the liquified gas (propane) is introduced. Would...
Hello all,
We are in the planning stages to build an ASME Section VIII, Div. 1/MC-331 pressure vessel cargo tank. The vessels in our application are typically built from SA-517 material. I have seen two grades used for construction. Most are made from Grade E, but I have seen a couple that are...
What level of personnel qualification is required to perform a liquid penetrant test on a Section VIII vessel? Our personnel have completed Level 1 and 2 classes.
I am looking for a high strength stainless steel to use for tension rods. The environment is cryogenic, so the material should be austenitic. Standard 304 and 316 grades do not have the strength I need to keep the number of rods to a minimum. I have been looking at XM-19, but it seems to be...
Hello, first time poster here. I am very new to the field of cryogenics. With regerd to the materials of construction for cryogenic transport trailers for liquified natural gas (LNG), why aren't these trailers made from aluminum? I know that aluminum is used for the tanks for other cryogenic...
