Pipe Knowledge

Sharing China-Made with Global Customers

welded pipe,smls pipe china,sch 40 carbon steel pipe

Pipe Knowledge

Sharing China-Made with Global Customers

Stainless Steel Pipes for Cryogenic Applications: Material Behavior and Design Considerations,steel pipe flange,a105 flange,sa178a boiler tubes
BackYou are in :  Home  >  News  >  Pipe Knowledge

Stainless Steel Pipes for Cryogenic Applications: Material Behavior and Design Considerations

Date:2025-03-09View:48Tags:welded pipe,smls pipe china,sch 40 carbon steel pipe

Cryogenic stainless steel pipes are widely used in LNG (liquefied natural gas) transport, liquid hydrogen storage, and aerospace applications. Key technical aspects include:

  • Low-Temperature Impact Toughness: Austenitic stainless steels (304, 316, and 304L) maintain ductility and toughness at -196°C, unlike ferritic steels, which become brittle.
  • Phase Stability and Brittle Fracture Resistance: Austenitic stainless steels have an FCC (face-centered cubic) crystal structure, which prevents low-temperature embrittlement.
  • Welding Challenges: Specialized cryogenic welding consumables such as ER308L and ER316L are required, along with controlled heat input to minimize the heat-affected zone (HAZ) cracks.