ASTM B637 Inconel 718 Flanges: Strength, Durability, and Superior Performance
When it comes to high-performance materials for flanges, ASTM B637 Inconel 718 Flanges are at the forefront. These flanges, made from the superalloy Inconel 718, offer unparalleled strength, resistance, and durability, making them a preferred choice for critical applications across various industries. At Amardeep Steel Centre LLP, we provide top-quality 718 Inconel Flanges, meeting the stringent ASTM B637 standards to ensure optimal performance in the most demanding environments.
What is ASTM B637 718 Inconel Flanges?
ASTM B637 718 Inconel Flanges are manufactured using Inconel 718, a high-strength, corrosion-resistant nickel-chromium alloy that includes significant amounts of molybdenum, niobium, and other elements. The ASTM B637 standard specifies the requirements for the manufacture of these flanges, including their mechanical properties, chemical composition, and testing methods. Inconel 718 is known for its excellent strength and resistance to oxidation and corrosion, making it ideal for applications involving extreme temperatures and aggressive environments.
ASTM B637 718 Inconel Flanges Properties
Understanding the properties of ASTM B637 718 Inconel Flanges is crucial for selecting the right material for your specific application. Below are the key properties that make these flanges stand out:
- Mechanical Strength: With a tensile strength of up to 1300 MPa and a yield strength of around 1035 MPa, these flanges are designed to endure high pressures and loads. They maintain their strength even at elevated temperatures, making them suitable for high-stress environments.
- Temperature Resistance: Inconel 718 maintains its strength at temperatures ranging from cryogenic levels to 1300°F (700°C). This temperature range allows for versatility in applications, from aerospace to chemical processing.
- Corrosion Resistance: The addition of chromium, molybdenum, and niobium provides outstanding resistance to various forms of corrosion, including pitting, crevice corrosion, and stress-corrosion cracking. This makes them ideal for use in corrosive environments like marine or chemical processing industries.
- Fatigue Resistance: These flanges exhibit excellent fatigue resistance, ensuring durability in applications involving cyclic loading or fluctuating stresses.
- Weldability: ASTM B637 718 Inconel Flanges offer excellent weldability compared to other nickel-based alloys. They can be welded without cracking or losing their structural properties, which is a significant advantage in manufacturing and repair scenarios.
ASTM B637 718 Inconel Flanges Advantages
When it comes to choosing the right flanges for your industrial needs, the advantages of ASTM B637 718 Inconel Flanges are numerous:
- High Performance in Extreme Conditions: These flanges are designed to perform exceptionally well in extreme temperatures, both high and low, as well as in corrosive environments. This makes them ideal for industries such as aerospace, marine, and chemical processing, where reliability and durability are paramount.
- Longevity and Low Maintenance: Thanks to their excellent corrosion and oxidation resistance, ASTM B637 718 Inconel Flanges offer a longer service life with minimal maintenance requirements. This not only reduces downtime but also lowers overall maintenance costs.
- Versatility Across Applications: Inconel 718 flanges are suitable for a wide range of applications, including oil and gas, power generation, petrochemical, and aerospace industries. Their ability to maintain their mechanical properties under various conditions makes them a versatile choice.
- Resistance to Creep and Stress Rupture: These flanges provide superior resistance to creep and stress rupture at high temperatures, ensuring they do not deform or fail under prolonged stress, thus ensuring the integrity of the piping system.
- Superior Weldability and Fabricability: The ease of welding and fabricating Inconel 718 flanges allows for greater flexibility during manufacturing and installation, facilitating complex designs and reducing lead times.
Schedule and Size Chart
| Schedule | Size Range (Inches) | Diameter (mm) | Thickness (mm) |
| SCH 10 | ½” to 24″ | 21.3 – 610 | 1.65 – 7.11 |
| SCH 20 | ½” to 24″ | 21.3 – 610 | 2.11 – 9.53 |
| SCH 40 | ½” to 24″ | 21.3 – 610 | 2.77 – 12.7 |
| SCH 80 | ½” to 24″ | 21.3 – 610 | 3.73 – 15.88 |
| SCH 160 | ½” to 24″ | 21.3 – 610 | 4.78 – 22.23 |
| SCH XXS | ½” to 24″ | 21.3 – 610 | 7.47 – 25.4 |
Mechanical Properties Chart
| Property | Metric | Imperial |
| Tensile Strength (min) | 1240 MPa | 180 ksi |
| Yield Strength (0.2% offset, min) | 1035 MPa | 150 ksi |
| Elongation (min) | 12% | 12% |
| Hardness | 331 HBW | 331 HBW |
| Impact Toughness (Charpy V-notch) | 120 J/cm² | 88 ft-lb |
Specifications Chart
| Standard | Specification |
| ASTM | B637 |
| UNS | N07718 |
| DIN | 2.4668 |
| ASME | SB 637 |
| EN | NiCr19Fe19NbMo3 |
| BS | 3076 NA 51 |
Chemical Composition Chart
| Element | Percentage (%) |
| Nickel (Ni) | 50.0 – 55.0 |
| Chromium (Cr) | 17.0 – 21.0 |
| Iron (Fe) | Balance |
| Molybdenum (Mo) | 2.8 – 3.3 |
| Niobium (Nb) | 4.75 – 5.5 |
| Titanium (Ti) | 0.65 – 1.15 |
| Aluminum (Al) | 0.20 – 0.80 |
| Cobalt (Co) | Max 1.0 |
| Carbon (C) | Max 0.08 |
| Manganese (Mn) | Max 0.35 |
| Silicon (Si) | Max 0.35 |
| Phosphorus (P) | Max 0.015 |
| Sulfur (S) | Max 0.015 |
| Copper (Cu) | Max 0.30 |
| Boron (B) | Max 0.006 |
Physical Properties Chart
| Property | Value |
| Density | 8.19 g/cm³ |
| Melting Range | 1260 – 1340°C (2300 – 2440°F) |
| Specific Heat Capacity | 435 J/kg·K (at 20°C) |
| Thermal Conductivity | 11.4 W/m·K (at 100°C) |
| Electrical Resistivity | 1.29 µΩ·m (at 20°C) |
| Coefficient of Thermal Expansion | 13.0 µm/m·K (20-1000°C) |
| Modulus of Elasticity | 204 GPa (at 20°C) |
Application Chart
| Industry | Application |
| Aerospace | Jet engine components, gas turbine blades, and rocket motors. |
| Oil & Gas | High-pressure piping systems, valves, and heat exchangers. |
| Chemical Processing | Reactor vessels, piping systems, and other equipment exposed to corrosive media. |
| Marine Engineering | Offshore equipment, propeller blades, and submersible components. |
| Power Generation | Steam turbine blades, nuclear reactor cores, and heat exchangers. |
| Automotive | Exhaust valves, turbocharger rotors, and other high-performance components. |
Why Choose Amardeep Steel Centre LLP for ASTM B637 718 Inconel Flanges?
At Amardeep Steel Centre LLP, we take pride in our extensive inventory of ASTM B637 718 Inconel Flanges, offering products that meet the highest standards of quality and performance. Our flanges are rigorously tested to ensure compliance with international standards, providing you with the peace of mind that comes with knowing you’re using a product that will perform reliably in even the most challenging environments.
- Quality Assurance: We adhere strictly to the ASTM B637 standards, ensuring that all our 718 Inconel Flanges meet or exceed the required mechanical and chemical properties.
- Expertise and Experience: With years of experience in the industry, our team is well-equipped to help you choose the right flanges for your specific applications.
- Competitive Pricing: We offer high-quality Inconel Flanges at competitive prices, ensuring you receive the best value for your investment.
- Customer Service: Our commitment to customer satisfaction is unwavering. We provide personalized support to help you find the best solutions for your needs.
In conclusion, ASTM B637 718 Inconel Flanges from Amardeep Steel Centre LLP provide an unbeatable combination of strength, corrosion resistance, and high-temperature performance. Whether you’re in the aerospace, oil and gas, chemical processing, or marine industries, our Inconel flanges are designed to meet your most demanding applications. Trust Amardeep Steel Centre LLP for your flange needs and experience the difference in quality and service.
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 B637 Inconel 718 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.
