Sockolet 3/4'' × 3''–5'' SW A350 LF2 Class 3000

• Size: 3/4'' × 3''–5''
• Connects a 3/4'' branch pipe to a 3''–5'' run pipe
• Material: ASTM A350 LF2 low-temperature carbon steel (equivalent properties to P355GH)
• Impact tested at: -46°C
• Pressure class: Class 3000
• Socket Weld (SW) connection
• Excellent weldability
• Manufactured according to: MSS SP-97
• Applications: pressure testing, high-pressure systems, boilers, ships, heavy industry, pressure vessels, outdoor installations, low-temperature service
• 3.1 material certificate available on request (free of charge)
• Origin: European Union

Alternative Name: Sockolet 3/4'' × 3''–5'' SW A350 LF2 Class 3000, SW branch outlet, socket weld olet, forged branch fitting, high-pressure socket outlet, SW outlet fitting.

Information

Sockolet 3/4'' × 3''–5'' SW A350 LF2 Class 3000 is a Socket Weld branch outlet fitting designed for creating branch connections on pipelines operating under high pressure. The branch pipe is inserted into the socket before welding, providing accurate alignment and a strong, leak-tight joint. Manufactured according to MSS SP-97, it is suitable for demanding industrial applications.

Each fitting is permanently marked with its size, material grade, heat number, and pressure class, ensuring full product traceability. All Socket Weld fittings are available with a 3.1 material certificate upon request.

Available Options

• Materials:
  • ASTM A105 carbon steel
  • ASTM A350 LF2 Class 1 (low-temperature carbon steel)
  • 304 / 304L stainless steel
  • 316 / 316L stainless steel
  • F321
  • F347
• Threaded branch outlets
• Socket Weld (SW) branch outlets
• Thread × SW configurations
• Sizes from 1/8'' to 4''

Applications

• Oil refineries
• Steel industry
• Marine industry
• High-pressure piping systems
• High-temperature installations (A105)
• Low-temperature installations (A350 LF2)
• Boilers
• Pressure vessels
• Hydraulic systems
• Outdoor installations
• Oil and gas industry

ASTM A350 LF2 Steel

ASTM A350 LF2 is a low-alloy forged steel designed for pressure piping components operating at low temperatures. It provides excellent toughness, weldability, and mechanical strength, making it suitable for service down to -46°C.

We also offer Sockolets and other branch outlet fittings in various sizes and materials. If you have any questions, please contact us. Call +48 63 261 42 02 or email biuro@polberis.pl.

Sockolet 3/4'' × 3''–5'' SW A350 LF2 Class 3000 is also available in other sizes from our product range.

Learn more about branch outlet fittings here >>