... , aviation, astronautics, ship, nuclear industry and pressure vessel and so on, and has been exported to the countries such ... , Titanium, Zirconium, Hastelloy, Nickel alloys, Duplex Steel and Austenitic Stainless Steel3.Thickness: 0.15mm-70mm4.Forming method: ... 0086-538-6112535contact person: Grace Zhang expansion joint used for the heavy oil catalytic cracking equipment elbow pressure balance ...