Flanges & fittings for oil & gas upstream, midstream & downstream: NACE MR0175/ISO 15156 sour service, high-pressure RTJ, duplex & super duplex. Quote in 30 min.
Remax Forge manufactures high-integrity forged flanges engineered for severe upstream drilling, offshore production risers, midstream cross-country gas pipelines, and downstream oil refineries.
| Material Grade | Specific Application & Fluid Service |
|---|---|
| ASTM A105 / A350 LF2 | Standard hydrocarbons & low-temp transport |
| ASTM A182 F51 / F53 | Offshore seawater injection & subsea risers |
| Inconel 625 Clad | Extreme sour gas wellheads (NACE MR0175) |
Every flange manufactured for Oil & Gas Industry Flanges is forged from 100% prime tested steel billets with complete melt-heat traceability. Remax Forge performs Spectro chemical analysis, tensile testing, yield strength verification, elongation measurement, and Brinell or Vickers hardness checks according to ASTM A105, A182, A350, and ASME Section II standards.
For critical fluid handling and high-pressure duties, we execute Positive Material Identification (PMI) testing using calibrated XRF analyzers, Charpy V-notch impact testing at design minimum temperatures (down to -46°C for A350 LF2 or cryogenic conditions for austenitic alloys), and grain size examination compliant with ASTM E112.
Non-destructive examination (NDE) procedures including 100% Ultrasonic Testing (UT) for internal defect detection, Liquid Penetrant Inspection (LPI), and Magnetic Particle Inspection (MPI) are conducted per ASME Section V specifications.
Every dispatch is accompanied by an EN 10204 Type 3.1 Mill Test Certificate (MTC) detailing complete chemical, mechanical, and heat-treatment batch records. Independent third-party inspection (TPI) by global authorities including Lloyd's Register, Bureau Veritas, DNV-GL, TÜV, and SGS is routinely facilitated upon project requisition.
A: Sour service flanges undergo restricted hardness testing (22 HRC / 237 HBW max), HIC (Hydrogen Induced Cracking) test per NACE TM0284, and SSCC (Sulfide Stress Corrosion Cracking) test per NACE TM0177.
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