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Jai Hind Metal is a trusted manufacturer and supplier of Inconel 690 Flanges, offering quality nickel-chromium alloy products for industrial, engineering, and fabrication applications. Inconel 690 is recognized for its excellent resistance to corrosion and oxidation, particularly in environments where resistance to aggressive chemicals and high-temperature conditions is important. These properties make it suitable for selected applications in chemical processing, power generation, heat exchangers, and specialized industrial equipment. At Jai Hind Metal, we understand that every project has specific technical requirements, which is why our Inconel 690 Flanges can be supplied in various sizes, pressure classes, dimensions, and configurations according to customer specifications and applicable material standards.
Precisely manufactured metal products meeting demanding industrial standards.
Consistent quality, reliable performance, and strict inspection at every stage.
Available in customized sizes, grades, thicknesses, and specifications.
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Inconel 690 Flanges are manufactured from a nickel-chromium alloy known for its reliable performance in demanding industrial environments. This alloy is valued for its excellent resistance to corrosion and oxidation, good metallurgical stability, and dependable performance at elevated temperatures, making it suitable for applications where material durability is essential. Available in different sizes, pressure classes, facing styles, and customized dimensions, these flanges can be supplied to meet a variety of piping and engineering requirements. With their corrosion resistance, heat resistance, durability, and consistent service performance, Inconel 690 Flanges are suitable for selected applications in chemical processing, power generation, heat exchangers, petrochemical facilities, nuclear-related systems, and specialized industrial piping, where material reliability and long-term performance are important.
Inconel 690 Flanges provide a valuable combination of excellent corrosion resistance, oxidation resistance, heat tolerance, and dependable performance, making them suitable for a range of demanding industrial and engineering applications. This nickel-chromium alloy is particularly valued for its resistance to corrosion in certain aggressive chemical environments and its ability to maintain reliable performance at elevated temperatures. These characteristics make it a suitable option for piping connections and equipment exposed to heat and corrosive substances. Inconel 690 Flanges may be used in chemical processing plants, power generation facilities, heat exchangers, petrochemical installations, nuclear-related equipment, and specialized industrial systems, depending on the application and operating conditions. They support engineered assemblies where material durability, dimensional accuracy, and long-term service reliability are important.
Inconel 690 Flanges are manufactured from a nickel-chromium alloy containing nickel, chromium, and controlled amounts of other elements, formulated to provide reliable corrosion resistance and high-temperature performance. Chromium plays a key role in protecting the alloy against oxidation and corrosion, while its nickel-rich composition supports dependable performance in demanding industrial environments. The alloy is particularly valued for its excellent resistance to oxidation, good resistance to corrosion in selected chemical environments, and stability under elevated-temperature conditions. These properties make Inconel 690 Flanges suitable for applications in chemical processing, power generation, heat exchangers, petrochemical facilities, nuclear-related equipment, and specialized industrial piping systems, where material durability, corrosion resistance, and long-term service reliability are important considerations.
Specification Parameter | Details |
|---|---|
Product Name | Inconel 690 Flanges |
Material Grade | Inconel Alloy 690 |
UNS Number | N06690 |
Werkstoff Number | 2.4642 |
EN Designation | NiCr29Fe |
JIS Designation | NCF 690 |
Material Classification | Nickel-Chromium-Iron Alloy |
Construction | Forged and Machined |
Forging Material Standard | ASTM B564 / ASME SB-564, as applicable |
Dimensional Standard | ASME B16.5 / ASME B16.47, as applicable |
ASTM A240 / ASME SA-240 | Not applicable to Inconel 690 |
Manufacturing Process | Forging, Heat Treatment, and Machining |
Heat Treatment | Solution Annealed, as specified |
Flange Types | Weld Neck, Slip-On, Blind, Socket Weld, Threaded, Lap Joint |
Pressure Classes | 150, 300, 600, 900, 1500, 2500, as applicable |
Flange Facing | Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ) |
Nickel Content | 58.0% minimum |
Chromium Content | 27.0–31.0% |
Iron Content | 7.0–11.0% |
Tensile Strength | Approximately 585 MPa minimum, depending on specification |
Yield Strength | Approximately 241 MPa minimum, depending on specification |
Corrosion Resistance | Excellent resistance to oxidation and stress-corrosion cracking in suitable environments |
Applications | Nuclear Power Plants, Chemical Processing, Heat Exchangers, Petrochemical Equipment |
Inspection | Chemical Analysis, Mechanical Testing, Dimensional Inspection, PMI as specified |
Certification | Material Test Certificate (MTC), EN 10204 Type 3.1 / 3.2 as ordered |
Standard / Classification | Equivalent Grade / Designation |
|---|---|
Product Name | Inconel 690 Flanges |
UNS (USA) | N06690 |
Werkstoff Number (Germany) | 2.4642 |
EN Designation | NiCr29Fe |
JIS (Japan) | NCF 690 |
AFNOR (France) | NC15Fe |
BS (UK) | NA 13 |
Common Trade Names | Alloy 690, Nicrofer 6030 |
Forging Material Standard | ASTM B564 / ASME SB-564 |
Other Product Standards | ASTM B166 (bar), ASTM B168 (plate/sheet), ASTM B167 (pipe/tube) |
Similar Alternative | Inconel 600 (UNS N06600) — not an exact equivalent |
Product Forms | Weld Neck, Slip-On, Blind, Socket Weld, Threaded Flanges |
Applications | Nuclear Power Plants, Chemical Processing, Heat Exchangers, Petrochemical Equipment |
Chemical Element | Symbol | Composition (%) |
|---|---|---|
Nickel | Ni | 58.00 min. |
Chromium | Cr | 27.00–31.00 |
Iron | Fe | 7.00–11.00 |
Carbon | C | 0.05 max. |
Manganese | Mn | 0.50 max. |
Silicon | Si | 0.50 max. |
Copper | Cu | 0.50 max. |
Sulphur | S | 0.015 max. |
Phosphorus | P | 0.020 max. |
Titanium | Ti | 0.50 max. |
Aluminium | Al | 0.50 max. |
Mechanical Property | Specification / Value |
|---|---|
Material Grade | Inconel Alloy 690 |
UNS Number | N06690 |
Werkstoff Number | 2.4642 |
Material Standard | ASTM B564 / ASME SB-564 |
Heat Treatment | Solution Annealed |
Tensile Strength | 586 MPa min. |
Yield Strength (0.2% Proof Stress) | 241 MPa min. |
Elongation | 30% min. |
Hardness | Approximately 80–92 HRB (typical) |
Density | Approximately 8.19 g/cm³ |
Modulus of Elasticity | Approximately 211 GPa |
Melting Range | Approximately 1343–1377°C |
Corrosion Resistance | Excellent resistance to oxidation and stress-corrosion cracking in suitable environments |
Product Form | Forged and Machined Flanges |
Inconel 690 Flanges are available in various sizes, pressure ratings, dimensions, facing options, and customized configurations to suit diverse industrial piping and engineering requirements. Products can be supplied in accordance with applicable ASTM and ASME specifications, depending on the flange design, material grade, and project requirements. At Jai Hind Metal, we focus on maintaining consistent material quality, dimensional accuracy, dependable workmanship, and traceability throughout the supply process. Material test certificates, inspection reports, and relevant supporting documents can be arranged upon request. With their excellent corrosion resistance, oxidation resistance, and reliable performance at elevated temperatures, Inconel 690 Flanges are suitable for selected applications in chemical processing, power generation, heat exchangers, petrochemical facilities, nuclear-related equipment, and specialized industrial systems, where durability and dependable service performance are essential.






Jai Hind Metal supplies Inconel 690 Flanges for a variety of industrial, engineering, and specialized equipment applications. Products can be supplied in accordance with applicable ASTM, ASME, DIN, EN, JIS, and ISO requirements, wherever relevant to the flange type and project specifications. Our range includes multiple sizes, pressure classes, dimensions, and facing options to accommodate diverse piping and equipment needs. We focus on maintaining consistent material quality, dimensional accuracy, product traceability, and dependable supply throughout the ordering process. Customized flange designs, technical specifications, material test certificates, inspection reports, and supporting documentation can be arranged upon request, subject to availability and applicable requirements. For product information, technical assistance, or customized orders, contact Jai Hind Metal at info@jaihindmetal.com.
Inconel 690 Flanges are used in industries where excellent corrosion resistance, oxidation resistance, and dependable performance at elevated temperatures are important. Their nickel-chromium alloy composition helps provide reliable service in selected environments involving heat and corrosive substances, making them suitable for demanding industrial applications. These flanges may be used in chemical processing facilities, power generation plants, petrochemical industries, heat exchangers, nuclear-related equipment, and specialized industrial installations, depending on design and operating requirements. Typical applications include industrial piping connections, heat transfer equipment, process systems, and specialized engineering assemblies where dimensional accuracy and material durability are essential. When selected to suit the required pressure, temperature, and service conditions, Inconel 690 Flanges can contribute to dependable equipment operation and long-term performance.
Looking for high-quality industrial products manufactured to your specific requirements? Contact our team for product details, customized solutions, pricing, and timely delivery.
Email: info@jaihindmetal.com
Our high-performance metal products are engineered to meet the demanding requirements of industries operating in challenging environments, including extreme temperatures, pressure and corrosive conditions.
Our corrosion-resistant metal products are widely used in marine environments where exposure to seawater, salt spray and harsh atmospheric conditions demands exceptional durability and reliability.
Our nickel alloys and high-performance metal products are used throughout the oil and gas industry for demanding applications involving high pressure, corrosive fluids, sour gas and extreme operating conditions.
Our corrosion-resistant alloys provide dependable performance in chemical processing equipment exposed to aggressive chemicals, high temperatures and challenging process conditions.
High-strength nickel alloys and specialty metals are selected for aerospace applications where lightweight performance, strength and resistance to extreme temperatures are essential.
Our specialty metal products support power generation equipment operating under high temperatures, pressure and corrosive conditions, delivering reliable long-term performance.
Corrosion-resistant metals are ideal for salt production environments where continuous exposure to concentrated salt and moisture can severely affect conventional materials.
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