ASME B16.5 Flanges – 4” – Class 600 – Weld Neck / Blind / Slip-On Options

Available for sale is a lot of ASME B16.5-compliant flanges, sized 4 inches and rated for Class 600 pressure applications. These flanges are constructed in various profiles including weld neck (WN), blind (BL), and slip-on (SO), supporting compatibility with medium-to-high pressure pipelines in oil & gas, refinery, and process industries.

The flanges conform to the ASME B16.5 standard and are manufactured from materials such as carbon steel (ASTM A105) and stainless steel (A182 F316). Coated with anti-rust finishes, these flanges are ready for long-term service in harsh operating conditions.

Specifications:

– Standard: ASME B16.5
– Quantity: 4
– Size: 4 inches (NPS)
– Class: 600#
– Types Available: Weld Neck (WN), Blind (BL), Slip-On (SO)
– Material:
  • Carbon Steel (ASTM A105, A350 LF2)
  • Stainless Steel (ASTM A182 F304/F316)
  • Alloy Steel (ASTM A182 F11/F22)
  • High-Strength Steel (ASTM A707)
– Face Type: Raised Face (RF) / Ring-Type Joint (RTJ)
– Coating: Anti-Rust Oil / Epoxy / Galvanized

Dimensional Reference (Typical for 4" Class 600):
– Outer Diameter (OD): ~190 mm
– Bolt Circle Diameter (BCD): ~140 mm
– Bolt Holes: 8
– Bolt Hole Size: 7/8 inch
– Flange Thickness: ~32 mm

Mechanical & Performance Properties:
– Yield Strength: 250–485 MPa
– Tensile Strength: 485–760 MPa
– Temperature Range: –50°C to 600°C
– Corrosion Resistance: NACE MR0175 compliance available

For further specifications or to inquire about this equipment and ReflowX's logistics services, please contact ReflowX at info@reflowx.com