Overview
Monel Alloy 400 and K500 Flanges are widely used for joining pipes, valves, pumps, and equipment in corrosive and high-strength applications. These nickel-copper alloy flanges provide excellent resistance to seawater, acids, alkalis, and high-temperature environments, making them ideal for demanding industrial services.
Types of Monel Alloy Flanges
Technical Specifications
| Standard | Size Range | Pressure Rating | Face Type |
|---|---|---|---|
| ASME / ANSI B16.5 & B16.47 | ½” to 48” | 150# to 2500# | RF, RTJ |
| DIN | DN10 to DN2000 | PN6 to PN400 | RF, FF |
| JIS | 10A to 1500A | 5K to 30K | FF, RF |
Material Grades: ASTM B564 UNS N04400 (Monel 400) / ASTM B564 UNS N05500 (Monel K500)
Chemical & Mechanical Properties
- Tensile Strength: 550–960 MPa
- Yield Strength: 240–690 MPa
- Hardness: 120–180 HB
- Nickel Content: ~63% minimum
Applications & Industries
Key Features & Benefits
- Excellent resistance to seawater and corrosion
- High strength and toughness at elevated temperatures
- Outstanding resistance to acids and alkalis
- Complies with international flange standards
- Custom sizes, pressure classes, and finishes available
Certifications & Quality Assurance
- ISO Certified Manufacturing
- PED & IBR Approved
- Third-Party Inspection (TPI) Available
- Mill Test Certificates (MTC) as per EN 10204
Frequently Asked Questions
What is the difference between Monel 400 and Monel K500?
Monel 400 offers excellent corrosion resistance, while Monel K500 provides higher strength and hardness due to age-hardening properties.
Are Monel flanges suitable for seawater applications?
Yes, Monel 400 and K500 flanges perform exceptionally well in seawater and marine environments.
Which pressure classes are available?
Monel alloy flanges are available in ANSI Class 150 to 2500 and equivalent DIN and JIS ratings.
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