Stainless Steel Flange For Oil & Gas
Engineered for Extreme Conditions in Petroleum and Natural Gas Systems
SSM manufactures specialized stainless steel flanges designed specifically for the harsh demands of oil & gas operations, including offshore platforms, refineries, and pipeline systems. Our flanges meet API, ASME, and NACE standards for reliability in corrosive and high-pressure environments.
Oil & Gas Flange Specifications
1. Material Grades for Harsh Service
| Material | ASTM Standard | Key Features | Typical Applications |
|---|---|---|---|
| 316L | A182 F316L | Basic corrosion resistance | General piping |
| 317L | A182 F317L | Enhanced acid resistance | Sour gas service |
| Duplex 2205 | A182 F51 | Chloride resistance | Offshore platforms |
| Super Duplex 2507 | A182 F53 | Extreme corrosion resistance | Subsea systems |
| 6Mo (UNS S31254) | A182 F44 | Seawater resistance | Offshore piping |
2. Critical Standards Compliance
| Standard | Application | SSM Compliance |
|---|---|---|
| API 6A | Wellhead equipment | Full certification |
| ASME B16.5 | Process piping | Complete range |
| NACE MR0175 | Sour service | Compliant materials |
| ISO 15156 | H₂S environments | Certified grades |
| PED 2014/68/EU | European markets | CE marked |
3. Pressure Class Options
| Class | Max Pressure (psi) | Common Applications |
|---|---|---|
| 150# | 275 | Gathering systems |
| 300# | 720 | Process piping |
| 600# | 1440 | Refinery units |
| 900# | 2160 | Compression stations |
| 1500# | 3600 | Wellhead connections |
| 2500# | 6000 | High-pressure injection |
Specialized Features for Oil & Gas
Corrosion Protection
Pickling & Passivation - Standard on all flanges
Electropolishing - Available for critical services
Clad Options - Carbon steel with stainless overlay
Special Coatings - PTFE, nickel alloys
Safety Enhancements
Fire-Safe Design - API 607 compliant
Antigalling Surfaces - For frequent disassembly
Bore Protection - Optional weld overlay
Cathodic Protection - Insulating flange kits
Manufacturing Excellence
Quality Assurance Process
Material Certification - Full traceability
Forging - Grain structure optimization
NDE Testing - UT, RT, PT, MT
Dimensional Verification - 100% inspection
Documentation - Complete mill test reports
Testing Protocols
Hydrostatic Testing - 1.5x rated pressure
Hardness Testing - Per NACE requirements
PMI Verification - Alloy composition check
Cryogenic Testing - For LNG applications
SSC Testing - Sulfide stress cracking tests
Industry Applications
Upstream
Wellhead connections
Christmas tree flanges
Production manifolds
Injection systems
Midstream
Pipeline compressor stations
Metering skids
Tank farm piping
LNG terminal connections
Downstream
Refinery process units
Coker drum connections
Hydrotreater piping
Reformer manifolds
Why Choose SSM Oil & Gas Flanges?
✔ 30+ Years of petroleum industry experience
✔ Complete In-House Manufacturing from forging to finishing
✔ Global Certifications including API, ASME, PED
✔ Technical Support for material selection
✔ Fast Delivery - Critical spares inventory
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