Stainless Steel

SS Flanges

Forged and machined stainless steel flanges (Slip-on, Weld-neck, Blind) to ANSI & DIN.

High-pressure forged stainless steel pipe flanges machined to ASME, DIN, and EN standards. Includes Weld-Neck (WN), Slip-On (SO), Blind (BL), Socket Weld (SW), and Lap Joint flanges with serrated raised face finishes.

SS Flanges — Stainless Steel
Representative image · Stainless Steel
Specifications

Technical profile

Flange types
Weld Neck (WN), Slip-On (SO), Blind, Socket Weld, Lap Joint, Threaded
Standards
ASME B16.5 Class 150 to 2500 / DIN EN 1092-1 PN10 to PN100 / JIS
Material grades
ASTM A182 F304 / F304L / F316 / F316L / F51 (Duplex 2205)
Size range
1/2 inch to 24 inch (DN15 to DN600) nominal pipe size
Flange facing
Raised Face (RF) phonographic serrated finish (3.2–6.3 µm Ra) or RTJ
Certification
EN 10204 3.1 MTC, NACE MR0175 / ISO 15156 compliant for sour service

Specifications are typical and vary by variant. Share your duty conditions for an exact recommendation.

Key benefits

Why this product

  • Forged grain structure ensures superior tensile strength and absence of internal porosity
  • Precision CNC machined gasket seating faces guarantee leak-free joints under high bolt loads
  • Duplex F51 flanges handle aggressive chloride stress corrosion cracking in marine and offshore lines
  • Complete traceability with heat numbers stamped directly on the flange rim
Applications

Typical industries

Oil & GasChemicalPharma

Related categories

Need this ss flanges for your line?

Share your duty conditions and drawings — our team responds with a technical recommendation and a firm quote.