Monel K500 Uns N05500 Lap Joint Ring Flange
Monel K500 (UNS N05500) Lap Joint Ring Flange | SSM
SSM is a trusted global manufacturer and supplier of high-performance Monel K500 lap joint flanges, designed for corrosion resistance, high strength, and durability in marine, offshore, chemical, and petrochemical pipelines.
1. Product Overview
The Monel K500 lap joint ring flange is designed to work with a stub end to provide a cost-effective, reusable, and secure connection in piping systems. Its nickel-copper alloy construction ensures long-lasting performance in harsh environments.
Standard: ASME B16.5 / ASTM B564 / Custom
Material: Monel K500 (UNS N05500)
Flange Type: Lap Joint (LWN / Ring Flange)
Size Range: DN15 – DN600 (½" – 24")
Pressure Rating: Class 150 – 2500
Applications: Offshore platforms, marine pipelines, chemical and petrochemical plants
2. Material Properties (Monel K500 / UNS N05500)
| Element | Content (%) |
|---|---|
| Nickel (Ni) | 63 min |
| Copper (Cu) | 28–34 |
| Aluminum + Titanium | Enhances strength and hardness |
| Iron (Fe) | 2.5 max |
| Manganese (Mn) | 2 max |
| Carbon (C) | 0.3 max |
Monel K500 provides:
Exceptional corrosion resistance in seawater, acids, and reducing environments
Superior mechanical strength compared to Monel 400
3. Mechanical Properties (Typical)
| Property | Value |
|---|---|
| Tensile Strength | 830 – 1000 MPa |
| Yield Strength | 520 – 620 MPa |
| Elongation | 20 – 35% |
| Hardness | 280 – 330 HB |
| Service Temperature | -200°C to +550°C |
4. Key Features
✅ High Corrosion Resistance: Performs well in marine, chemical, and offshore environments
✅ Lap Joint Design: Compatible with stub ends for cost-effective installation
✅ Durable & Strong: Maintains mechanical integrity under pressure and temperature
✅ Reusable: Flange can be removed without disturbing the pipeline
✅ Standards Compliance: Manufactured according to ASME B16.5, ASTM B564, and customer specifications
5. Advantages and Limitations
Advantages:
High strength and hardness for critical pipeline applications
Excellent resistance to pitting and crevice corrosion
Easy installation and reusable for maintenance operations
Limitations:
Higher cost than standard stainless steel or carbon steel
Requires specialized machining for high-strength nickel-copper alloy
6. Applications
Offshore Oil & Gas Pipelines
Marine and Shipbuilding Systems
Petrochemical and Chemical Plants
Heat Exchangers & Pressure Vessels
Desalination and Seawater Systems
7. Why Choose SSM
30+ years of experience in Monel alloy flange manufacturing
ISO 9001 and EN 10204 3.1 certified
Compliance with ASME B16.5, ASTM B564, and international standards
Advanced forging, CNC machining, and NDT inspection
Fast global delivery and custom design services available
8. Conclusion
The SSM Monel K500 UNS N05500 Lap Joint Ring Flange offers superior corrosion resistance, high mechanical strength, and durability, making it an ideal choice for critical marine, offshore, and chemical pipelines.
📩 Contact SSM today for a quotation or custom design for your Monel K500 lap joint flange.
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