ASTM B564 Inconel 725 Fittings: High Quality and Versatility at ASC LLP
ASTM B564 Inconel 725 Fittings are widely known for their exceptional strength, corrosion resistance, and durability. These fittings are primarily used in industries that demand high-performance materials capable of withstanding extreme environments, such as oil and gas exploration, chemical processing, and marine engineering. In this article, we will explore the details of ASTM B564 Inconel 725 Fittings, covering their properties, advantages, applications, and much more.
What is ASTM B564 Inconel 725 Fittings?
ASTM B564 is the standard specification for nickel alloy forgings, which includes flanges, fittings, valves, and parts suitable for high-temperature service and other severe conditions. Inconel 725 is a nickel-chromium alloy that is strengthened with titanium and aluminum, making it particularly resistant to pitting, crevice corrosion, and stress corrosion cracking.
ASTM B564 Inconel 725 Fittings are specially designed to offer excellent resistance to both chloride-induced corrosion and sulfide stress cracking. These fittings maintain their strength and integrity even when exposed to high temperatures and corrosive environments, making them a top choice for industries that operate under extreme conditions.
Properties of ASTM B564 Inconel 725 Fittings
The ASTM B564 725 Inconel fittings come with a host of remarkable properties that make them stand out in various applications:
- Corrosion Resistance: One of the most notable features of Inconel 725 is its high resistance to corrosion. This makes the fittings suitable for harsh environments, especially those involving acidic and saline conditions.
- High Strength: Inconel 725 fittings are known for their superior strength, which is maintained even at elevated temperatures. The alloy’s ability to withstand mechanical stress in such conditions adds to its versatility.
- Thermal Stability: The material retains its strength and resistance to oxidation and carburization at high temperatures, which is essential in industries such as power generation and chemical processing.
- Fatigue Resistance: These fittings offer excellent fatigue resistance, which is critical in applications that involve cyclic stresses over a prolonged period, such as offshore drilling and subsea environments.
- Sulfide Stress Cracking Resistance: Inconel 725 fittings are designed to resist sulfide stress cracking, a common issue in environments with hydrogen sulfide (H₂S), making them suitable for sour gas applications.
- Pitting and Crevice Corrosion Resistance: The alloy’s composition ensures that ASTM B564 Inconel 725 Fittings are highly resistant to pitting and crevice corrosion, especially in chloride-rich environments.
Advantages of ASTM B564 725 Inconel Fittings
There are numerous advantages of ASTM B564 725 Inconel fittings that make them a preferred choice across multiple industries:
- Longevity: The excellent corrosion and oxidation resistance of Inconel 725 ensures long service life, reducing the need for frequent replacements and minimizing downtime.
- Cost-Effectiveness: Although the initial investment in Inconel fittings may be higher compared to other materials, their durability and reduced maintenance requirements provide long-term cost savings.
- Versatility: These fittings are available in various shapes and configurations, making them adaptable to different types of systems and industries.
- Temperature Resistance: Inconel 725 can withstand both high and cryogenic temperatures, which makes it a versatile choice for applications requiring a broad temperature range.
- Chemical Compatibility: The material’s ability to withstand corrosive chemicals, including acids and alkalis, makes it highly suitable for chemical processing industries.
Schedule and Size Chart
| Nominal Pipe Size (NPS) | Outside Diameter (OD) | Wall Thickness (Schedule 40) | Wall Thickness (Schedule 80) | Wall Thickness (Schedule 160) |
| 1/2″ | 21.34 mm (0.84 in) | 2.77 mm (0.109 in) | 3.73 mm (0.147 in) | 4.78 mm (0.188 in) |
| 3/4″ | 26.67 mm (1.05 in) | 2.87 mm (0.113 in) | 3.91 mm (0.154 in) | 5.56 mm (0.219 in) |
| 1″ | 33.4 mm (1.315 in) | 3.38 mm (0.133 in) | 4.55 mm (0.179 in) | 6.35 mm (0.250 in) |
| 1-1/2″ | 48.3 mm (1.900 in) | 3.68 mm (0.145 in) | 5.08 mm (0.200 in) | 7.14 mm (0.281 in) |
| 2″ | 60.3 mm (2.375 in) | 3.91 mm (0.154 in) | 5.54 mm (0.218 in) | 8.74 mm (0.344 in) |
| 3″ | 88.9 mm (3.500 in) | 5.49 mm (0.216 in) | 7.62 mm (0.300 in) | 11.13 mm (0.438 in) |
| 4″ | 114.3 mm (4.500 in) | 6.02 mm (0.237 in) | 8.56 mm (0.337 in) | 13.49 mm (0.531 in) |
Mechanical Properties Chart
| Property | Value |
| Tensile Strength (MPa) | 1035 MPa (150 ksi) |
| Yield Strength (0.2% Offset) | 725 MPa (105 ksi) |
| Elongation | 30% |
| Hardness | 35 HRC |
| Fatigue Strength | Excellent fatigue strength, capable of withstanding cyclic stresses over prolonged periods |
| Sulfide Stress Cracking | Resistant to sulfide stress cracking in sour gas environments |
Specifications Chart
| Specification | Standard |
| ASTM | B564 |
| UNS | N07725 |
| EN | 2.4663 |
| DIN | NiCr22Mo9NbTi |
| Form | Forged fittings, flanges, valves, and parts |
| Standard | ASTM B564 – Forgings, Fittings, Flanges, for High-Temperature Service |
Chemical Composition Charts
| Element | Composition (%) |
| Nickel (Ni) | 55.0 – 59.0 |
| Chromium (Cr) | 19.0 – 22.5 |
| Molybdenum (Mo) | 7.0 – 9.5 |
| Niobium (Nb) | 2.75 – 4.0 |
| Titanium (Ti) | 1.0 – 1.7 |
| Iron (Fe) | 5.0 max |
| Aluminum (Al) | 0.35 max |
| Carbon (C) | 0.03 max |
| Silicon (Si) | 0.20 max |
| Manganese (Mn) | 0.35 max |
Physical Properties Charts
| Property | Value |
| Density | 8.14 g/cm³ |
| Melting Range | 1290 – 1340 °C (2354 – 2444 °F) |
| Thermal Conductivity | 10.8 W/m·K at 20°C |
| Electrical Resistivity | 1.16 x 10^-6 ohm·m at 20°C |
| Modulus of Elasticity | 205 GPa |
| Coefficient of Expansion | 12.8 µm/m°C (from 20 to 100°C) |
| Specific Heat Capacity | 427 J/kg·K |
Application Chart
| Industry | Application |
| Oil & Gas | Offshore drilling, subsea oil wells, sour gas environments, high-pressure piping, fittings in oil refineries |
| Chemical Processing | Chemical plants and refineries for high-temperature, corrosive chemical exposure, heat exchangers, pressure vessels |
| Power Generation | Power plants, particularly in high-temperature steam applications, turbine components, heat recovery systems |
| Aerospace | Components in jet engines and exhaust systems, requiring heat resistance and mechanical strength |
| Marine Engineering | Piping systems, valves, and fittings in seawater handling applications, where high resistance to chloride-induced corrosion is essential |
| Petrochemical | Processing equipment, fittings in reactors, distillation towers, and pressure vessels in the petrochemical industry |
| Nuclear Power | High-performance fittings used in nuclear reactors, especially where high-temperature and corrosive environments are present |
| Desalination Plants | Piping and fitting systems for seawater desalination processes, where resistance to seawater corrosion and high-pressure environments is required |
Why Choose ASC LLP for ASTM B564 Inconel 725 Fittings?
At ASC LLP, we take pride in offering a wide range of high-quality Inconel fittings designed to meet the needs of various industries. Here are some reasons to choose us:
- Expertise: With years of experience in manufacturing and supplying high-performance alloy fittings, we have the expertise to deliver reliable solutions for the most demanding applications.
- Quality Assurance: We adhere to stringent quality control measures at every stage of production, ensuring that our fittings meet or exceed industry standards.
- Global Reach: As one of the leading B564 Inconel fittings exporters, we have a strong global presence, providing fittings to clients across Europe, Asia, the Middle East, and North America.
- Customization: We offer a range of sizes, shapes, and specifications for Inconel fittings, tailored to the unique requirements of your project.
- Customer Support: Our dedicated team of experts is always ready to assist you with product selection, technical support, and after-sales service.
ASTM B564 Inconel 725 Fittings are an indispensable component for industries that demand high strength, corrosion resistance, and durability. Whether it’s for offshore oil drilling, chemical processing, or aerospace applications, these fittings provide superior performance under the most challenging conditions.
Global Reach
Amardeep Steel Centre boasts a robust global presence and is 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 Inconel 725 Fittings. 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.
