ASTM B564 Monel R405 Flanges
ASTM B564 Monel R405 Flanges are critical components in various industrial applications, known for their exceptional strength, corrosion resistance, and versatility. These flanges are crafted from Monel R405, a nickel-copper alloy that boasts remarkable properties, making it a preferred choice in industries that demand high performance under extreme conditions. At Amardeep Steel Centre LLP, we are proud to be leading exporters and suppliers of ASTM B564 R405 Monel Flanges, providing our clients with top-quality products that meet stringent international standards.
What are ASTM B564 Monel R405 Flanges?
ASTM B564 Monel R405 Flanges are specialized fittings used to connect pipes, valves, pumps, and other equipment within a piping system. These flanges are manufactured from Monel R405, a variant of the Monel alloy family, which includes a higher sulfur content to enhance its machinability. Monel R405 is derived from Monel 400 but has better machinability, making it easier to produce components like flanges with precision and accuracy.
Monel R405 maintains excellent resistance to various corrosive environments, including acidic and alkaline media, seawater, and high-temperature conditions. This makes ASTM B564 Monel R405 Flanges ideal for use in industries such as chemical processing, marine engineering, oil and gas, and aerospace.

Properties of ASTM B564 Monel R405 Flanges
Understanding the unique properties of ASTM B564 Monel R405 Flanges is essential for selecting the right material for your specific application. The key properties of these flanges include:
- High Corrosion Resistance: One of the most significant advantages of Monel R405 is its exceptional resistance to corrosion. These flanges can withstand harsh environments, including exposure to saltwater, acids, and alkalis, without deteriorating.
- Superior Strength: Monel R405 offers a high tensile strength, making it capable of handling heavy loads and high-pressure applications. This strength ensures the integrity and safety of piping systems even under extreme conditions.
- Excellent Machinability: The increased sulfur content in Monel R405 improves its machinability, allowing for the production of complex shapes and precise dimensions in flanges. This property is particularly valuable in manufacturing custom flanges to meet specific requirements.
- Thermal Stability: Monel R405 flanges maintain their mechanical properties at elevated temperatures, making them suitable for applications involving high-temperature processes.
- Resistance to Stress Corrosion Cracking: Monel R405 is resistant to stress corrosion cracking, a common issue in many alloys when exposed to tensile stress and corrosive environments simultaneously. This resistance enhances the durability and lifespan of the flanges.
- Versatility: The versatility of Monel R405 flanges allows them to be used in a wide range of industries and applications, from chemical processing plants to offshore drilling platforms.
Advantages of ASTM B564 Monel R405 Flanges
ASTM B564 Monel R405 Flanges offer several advantages that make them a valuable choice for various industrial applications:
- Exceptional Corrosion Resistance: The high nickel and copper content provides superior resistance to corrosion, especially in harsh environments like marine and chemical processing industries.
- High Strength-to-Weight Ratio: Monel R405 Flanges are known for their high strength while remaining relatively lightweight compared to other materials. This characteristic contributes to the overall efficiency and cost-effectiveness of the piping system.
- Enhanced Machinability: The alloy’s machinability allows for precise fabrication, ensuring that flanges meet exact specifications and fit seamlessly within the piping system.
- Versatility: These flanges are versatile and can be used in a wide range of applications, from chemical processing and marine engineering to aerospace and oil and gas industries.
- Cost-Effectiveness: Although Monel R405 is a premium material, its durability and resistance properties reduce the frequency of replacements and maintenance, leading to long-term cost savings.


Schedule and Size Chart
Size (Inches) | Nominal Pipe Size (NPS) | Thickness (Schedule) | Flange Class |
1/2 | 1/2 | Schedule 40 | Class 150 |
3/4 | 3/4 | Schedule 40 | Class 150 |
1 | 1 | Schedule 40 | Class 150 |
1 1/4 | 1 1/4 | Schedule 40 | Class 150 |
1 1/2 | 1 1/2 | Schedule 40 | Class 150 |
2 | 2 | Schedule 40 | Class 150 |
2 1/2 | 2 1/2 | Schedule 40 | Class 150 |
3 | 3 | Schedule 40 | Class 150 |
4 | 4 | Schedule 40 | Class 150 |
6 | 6 | Schedule 40 | Class 150 |
Mechanical Properties Chart
Property | Value |
Tensile Strength | 75,000 – 90,000 psi (515 – 620 MPa) |
Yield Strength | 30,000 psi (205 MPa) |
Elongation | 20% |
Hardness | 85 – 105 HRB |
Modulus of Elasticity | 30 x 10^6 psi (207 MPa) |
Specifications Chart
Specification | Detail |
Standard | ASTM B564 |
Material | Monel R405 |
Form | Flanges |
Finish | As forged or as required |
Pressure Class | Class 150, 300, 600, 900, 1500 |
Temperature Range | Up to 1000°F (538°C) |
Chemical Composition Chart
Element | Percentage (%) |
Nickel (Ni) | 63.0 – 70.0 |
Copper (Cu) | 28.0 – 34.0 |
Iron (Fe) | 2.0 max |
Manganese (Mn) | 2.0 max |
Silicon (Si) | 1.0 max |
Carbon (C) | 0.3 max |
Sulfur (S) | 0.024 max |
Phosphorus (P) | 0.015 max |
Physical Properties Chart
Property | Value |
Density | 8.8 g/cm³ (0.32 lb/in³) |
Melting Point | 1300 – 1350°C (2372 – 2462°F) |
Thermal Conductivity | 22 W/m·K |
Thermal Expansion | 13.0 x 10^-6 /K (22 x 10^-6 /°F) |
Electrical Resistivity | 0.70 x 10^-6 ohm·m |
Application Chart
Application | Description |
Marine Engineering | Used in seawater systems due to excellent corrosion resistance. |
Chemical Processing | Suitable for handling aggressive chemicals and acids. |
Oil and Gas Industry | Utilized in extraction and refining processes where high strength and corrosion resistance are required. |
Aerospace | Applied in aerospace components that need high strength and resistance to extreme conditions. |
Pulp and Paper | Ideal for use in chemical recovery systems due to its durability in harsh chemical environments. |
Exporters and Suppliers of ASTM B564 Monel R405 Flanges
As leading exporters and suppliers of ASTM B564 Monel R405 Flanges, Amardeep Steel Centre LLP is committed to providing high-quality products to our clients worldwide. Our flanges meet the stringent ASTM B564 standards, ensuring that they offer exceptional performance and reliability. We work with trusted manufacturers and quality control experts to guarantee that every flange we supply meets industry standards.
Traders and Stockists of ASTM B564 Monel R405 Flanges
In addition to being exporters and suppliers, we also serve as reliable traders and stockists of ASTM B564 Monel R405 Flanges. Our extensive inventory ensures that we can meet the diverse needs of our clients, providing them with prompt delivery and competitive pricing. Our knowledgeable team is always ready to assist with any queries and offer guidance on selecting the right flanges for your specific application.
Global Reach
Amardeep Steel Centre boasts a robust global presence, committed to delivering unparalleled service and quality to clients around the world. Our dedication to prompt delivery and exceptional customer care sets us apart in the industry. Major corporations across the USA, Europe, Asia, and other regions place their trust in our high-quality ASTM B564 Monel R405 Flanges. This widespread trust underscores our reputation for reliability and excellence. By consistently meeting and exceeding the expectations of our international clientele, we continue to solidify our position as a leader in the global steel market.

Countries We Export To
UNITED STATES, EUROPE, UK, UAE, SAUDI ARABIA, OMAN, KUWAIT, JORDAN, QATAR, INDONESIA, MALAYSIA, BRAZIL, SPAIN, ITALY, FRANCE, GERMANY, BAHRAIN, SRI LANKA, AZERBAIJAN, AUSTRALIA, AUSTRIA, PHILIPPINES, TURKEY, RUSSIA, IRAN, IRAQ, CANADA, KOREA, JAPAN, YEMEN, FINLAND, ZIMBABWE, HUNGARY, PORTUGAL, VIETNAM, MOROCCO, THAILAND, SOUTH AFRICA, MEXICO, SINGAPORE, GREECE, KUWAIT, POLAND, NEW ZEALAND, SWEDEN, SWITZERLAND, BELGIUM, BHUTAN, BANGLADESH, TAIWAN, ROMANIA, CAMBODIA, KAZAKHSTAN, AFGHANISTAN.