ASME B16.5 B564 UNS N06600 Flange
ASME B16.5 B564 UNS N06600 flange is a nickel alloy flange designed for high-temperature and highly corrosive environments, suitable for demanding applications in industries like petrochemicals and nuclear power.
High Quality ASME B16.5 B564 UNS N06600 Flange
- Nominal Pipe Size (NPS): 1/2″ to 24″;
- Pressure Classes: Class 150 to Class 2500;
- Sealing Face Types: Raised Face (RF), Flat Face (FF), Ring Joint (RTJ), etc.
ASME B16.5 B564 UNS N06600 Flange
The ASME B16.5 standard covers various flange designs, including:
- Weld Neck Flange: Preferred for high-pressure systems, connected via welding.
- Slip-On Flange: Easy installation, suitable for low-pressure applications.
- Blind Flange: Used to seal pipe ends.
- Threaded Flange: Connected via threads, eliminating the need for welding.
- Lap Joint Flange: Paired with stub ends for easy disassembly.
Material Properties (ASME B16.5 B564 UNS N06600)
Material Standard: Specifies manufacturing requirements for nickel alloy forgings, with UNS N06600 (Inconel 600) as the material designation under this standard.
UNS N06600 (Inconel 600)
Composition: Nickel (Ni) ≥72%, Chromium (Cr) 14-17%, Iron (Fe) 6-10%, Carbon (C) ≤0.15%.
Key Properties:
High-Temperature Resistance: Continuous service temperature of 650°C (1200°F), with short-term tolerance up to 1150°C (2100°F).
Corrosion Resistance:
- Resists chloride stress corrosion cracking (superior to stainless steel).
- Withstands strong acids (sulfuric, hydrochloric), alkalis (NaOH), and organic solvents.
Mechanical Properties: Tensile strength ≥550 MPa, yield strength ≥240 MPa, combining high strength with toughness.
Selection and Usage Considerations
Pressure Rating: Select based on ASME B16.5 pressure-temperature tables (e.g., Class 300 flange allows ~7.5 MPa at 200°C).
Sealing Face:
- RF (Raised Face): Paired with non-metallic gaskets (graphite/PTFE).
- RTJ (Ring-Type Joint): Paired with metal ring gaskets (soft iron/stainless steel) for high-pressure sealing.
Welding Requirements:
- Use compatible filler metals (e.g., ERNiCr-3).
- Avoid carbon contamination (requires inert gas protection).
Typical Applications
- Petrochemical Industry: Cracking furnace pipelines, high-temperature reactors.
- Nuclear Industry: Reactor cooling systems (radiation-resistant).
- Aerospace: Engine components, exhaust systems.
- Power Industry: Boilers, heat exchangers.
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More Information about ASME B16.5 B564 UNS N06600 Flange
ASME B16.5
Purpose: A pipe flange standard established by the American Society of Mechanical Engineers (ASME), specifying flange dimensions, pressure ratings (Class 150/300/600, etc.), sealing face types (RF/RTJ, etc.), and pressure-temperature ratings.
Scope: Applicable to flanges with nominal sizes (NPS) ranging from ½” to 24″.
ASTM B564
Material Standard: Technical specifications for nickel alloy forgings, with UNS N06600 (Inconel 600) being the material designation under this standard.
Performance Comparison (UNS N06600 vs. Other Materials)
| Property | Inconel 600 | Stainless Steel 316 | Hastelloy C276 |
| Max Temp. | 650°C (continuous) | 400°C (continuous) | 1090°C (short-term) |
| Chloride Resistance | Excellent (stress corrosion resistant) | Poor (prone to cracking) | Excellent (pitting resistant) |
| Acid Resistance | Resists medium-strong acids (HCl, H₂SO₄) | Only weak acids (dilute sulfuric) | Resists strong acids (conc. HCl, HNO₃) |
| Cost | High (~3-5x stainless steel) | Low | Very high (~2x Inconel 600) |
Pressure–Temperature Ratings for B564 UNS N06600
FAQ
- Inconel 600 is mandatory when:
- Temperatures exceed 400°C with oxidation risks.
- Media contain chlorides (e.g., seawater, hydrochloric acid) to prevent stress corrosion cracking.
- Inconel 625 (UNS N06625) contains molybdenum (Mo) and niobium (Nb), offering superior pitting and crevice corrosion resistance but at higher costs. It is ideal for extreme acidic environments with chlorides (e.g., subsea pipelines).
Check Material Test Certificates (MTC) for chemical composition (Ni/Cr content).
Request heat treatment records (solution-annealed condition).
Third-party testing (e.g., spectroscopy, hardness tests).
More Resources:
The ASME B16.5 B564 UNS N06600 flange is a specialized solution for extreme conditions, suitable for high-temperature, corrosive, and radioactive environments.
Selection requires comprehensive evaluation of media properties, temperature-pressure parameters, and lifecycle costs.
For specific dimension tables or pressure-temperature curves, provide operational parameters for further analysis!
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