MSS SP-97 A182 F304 Outlet Fittings
MSS SP-97 A182 F304 Outlet Fittings are ideal for corrosive and sanitary applications, especially in chemical, food, and marine industries.
High Quality MSS SP-97 A182 F304 Outlet Fittings
- Connection Types: Socket weld, buttweld, threaded.
- Pressure Ratings: Class 3000, 6000, 9000 (~750 psi, 1500 psi, 2250 psi).
- Reinforced Design: Forged construction provides extra thickness at the branch-to-header junction, eliminating the need for reinforcement pads
SSM SP-97 Outlets Fittings Size Types & Class
Correlation of Fittings Class with Schedule Number or Run/Branch Wall Designation of Pipe for Calculation of Ratings
| Class of Fitting | Type | Branch Size | Run Pipe Wall for Ratings Basis | Branch Pipe Wall for Ratings Basis | |
| NPS | DN | ||||
| Standard | Buttwelding | 1/8-24 | 6-600 | Standard | Standard |
| Extra Strong | Buttwelding | 1/8-24 | 6-600 | Extra Strong | Extra Strong |
| Schedule 160 | Buttwelding | 1/2-6 | 15-150 | Schedule 160 | Schedule 160 |
| Double Extra Strong | Buttwelding | 1/2-6 | 15-150 | Double Extra Strong | Double Extra Strong |
| 3000 | Threaded | 1/8-4 | 6-2000 | Extra Strong | Extra Strong |
| 6000 | Threaded | 1/8-2 | 6-50 | Schedule 160 | Schedule 160 |
| 9000 | Threaded | 1/8-2 | 6-50 | Double Extra Strong | Double Extra Strong |
| 3000 | Socket Welded | 1/8-4 | 6-2000 | Extra Strong | Extra Strong |
| 6000 | Socket Welded | 1/8-2 | 6-50 | Schedule 160 | Schedule 160 |
| 9000 | Socket Welded | 1/2-2 | 15-50 | Double Extra Strong | Double Extra Strong |
A182 F304 Material Properties
An austenitic stainless steel per ASTM standards, containing 18% chromium and 8% nickel.
Key Properties:
- Corrosion Resistance: Resists weak acids, alkalis, and chlorides (e.g., seawater, steam).
- Temperature Range: -196°C to +800°C (recommended operating range: -29°C to +425°C).
- Mechanical Properties: Tensile strength ≥515 MPa, hardness ≤200 HB.
Typical Applications
- Chemical Industry: Branch connections for dilute sulfuric acid/alkali transfer.
- Food/Pharmaceutical: Sanitary systems (requires electropolishing to Ra ≤0.8μm).
- Marine Engineering: Seawater cooling systems, ship ballast pipelines.
- Energy Sector: High-temperature steam tracing lines (≤425°C).
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SSM has significant product advantages in manufacturing MSS SP-97 A182 F304 Outlet Fittings. Whether it’s quality or price, we will meet your needs.
More Information about MSS SP-97 A182 F304 Outlet Fittings
Certifications and Quality Control
Mandatory Certifications:
- MSS SP-97 compliance.
- ASTM A182 F304 material reports (including PREN verification).
Optional Certifications:
- ASME BPE: Sanitary standards for pharmaceuticals.
- NACE MR0175: Sour service (requires low-carbon F304L).
Installation and Maintenance
Welding Requirements:
- Filler Material: AWS E308L (low-carbon filler matching F304 to prevent intergranular corrosion).
- Process: Control interpass temperature ≤150°C to avoid chromium carbide precipitation.
- Post-Weld Treatment: Passivation to restore corrosion resistance.
Maintenance:
- Regularly inspect welds and threaded connections for corrosion.
- Avoid chlorine-containing cleaners (e.g., bleach).
Comparison with Other Standards
| Parameter | A182 F304 | A105 (Carbon Steel) | A350 LF2 (Low-Temp Steel) |
| Corrosion Resistance | Excellent (chloride-resistant) | Poor (requires coating) | Moderate (atmospheric only) |
| Low-Temp Performance | -196°C | -29°C | -46°C |
| Cost | High (~3-5× A105) | Low | Moderate |
Selection Advice:
Choose F304: For chloride-containing media (e.g., seawater), weak acids, or sanitary applications.
Avoid: Strong oxidizing acids (e.g., concentrated nitric acid) or high-chloride environments (use F316L instead).
FAQ
- F316L contains 2-3% molybdenum (Mo), offering superior chloride resistance (e.g., for seawater) but at higher cost.
No! HF rapidly corrodes F304; use Monel 400 or Hastelloy instead.
MSS SP-97 A182 F304 Outlet Fittings are ideal for corrosive and sanitary applications, especially in chemical, food, and marine industries. Their core strengths are corrosion resistance and structural reliability. Selection must consider media properties, temperature, and budget—upgrade to molybdenum-enhanced stainless (e.g., F316L) for harsher conditions.
For detailed dimension tables or welding procedures, contact our technical team!
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