Pipe Flanges

Flange Forgings
Weld Neck Flanges
Large Flanges



Special Steel Forge is a manufacturer of commodity and custom pipe flanges, ½” through 24” as per ASME B16.5 standards, as well as large diameter flanges 26” thru 48” as per B16.47 Series A & B standards. We specialize in producing custom flanges as per your drawings and specifications. We have the experience you are looking for and in most cases can manufacture the right pipe flange for your unique application.

  • Size range: ½” to 48” – 150#, 300#, 600#, 900#
  • Flange Types: Slip-On, Weld Neck, Blind, Lap Joint, Threaded, Socket Weld, Long Weld Neck
  • Custom Flanges as per customer's drawings and specifications
  • Materials:
    • Carbon Steel: A105, A105N and SA350 LF2 (Low Temperature Flanges)
    • Stainless Steel: 304, 304L, 316, 316L
    • Alloy Steel: A4130, A4140, A4145
  • Dimensional Standard: ASME B16.5, ASME 16.47 Series A (MSS SP-44) & ASME B16.47 Series B (API 605), API
  • Finish: Black Painted, Self color, Yellow Lacquer & Galvanized
  • Certifications: ISO 9001:2008
  • Markets: USA, Canada, Mexico, UK, Spain & Middle East


Contact us today to request a quote.

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