Inconel 600 Flanges
Midland Alloys Inc. is a leading manufacturer and supplier of Inconel 600 Flanges. These flanges are made from a nickel-based alloy with additional chromium and provide good corrosion resistance. It maintains strength even at high temperatures, making it ideal for demanding industrial environments. It is commonly used in chemical processing, heat treatment, power generation, and aerospace industries. These flanges ensure reliable performance under harsh conditions. It is available in many grades, such as Inconel 625 flange, which provides additional strength, higher fatigue resistance, and great performance in seawater and harsh chemical conditions. Based in India, we manage innovative production facilities, hold essential industry certifications, and supply globally. We have established ourselves as a recognized global exporter of high-quality Inconel alloy 600 flanges.
Inconel 600 Flanges Overview
Inconel 600 flanges, also known as UNS N06600, are manufactured from a nickel-chromium-iron alloy. The typical composition includes about 72% nickel, 14–17% chromium, and 6–10% iron. This blend offers strong resistance to heat, oxidation, and stress-corrosion cracking in both oxidizing and reducing environments. These flanges meet ASTM B564 and ASME SB564 standards. They hold their strength at high temperatures and resist carburization and thermal fatigue. It is available in various types including Inconel 600 slip on flange, weld neck flange, socket weld, and threaded options. They have a pressure rating range from 150# to 2500#. The size usually goes from ½” to 24″, with standard thickness, and face finishes as per ANSI/ASME B16.5.
Benefits of Inconel 600 Flanges
Inconel 600 flanges offer strong, lasting performance in extreme heat and corrosive environments. These flanges are frequently utilized because of their ability to maintain strength, resist damage and provide a long service life in demanding industrial systems.
- Excellent Oxidation Resistance: Inconel 600 flanges resist scaling and surface breakdown in high-temperature oxidizing conditions.
- High Mechanical Strength at Elevated Temperatures: They maintain structural integrity and load-bearing capacity even under extreme heat.
- Outstanding Thermal Fatigue Resistance: Alloy 600 flanges handle repeated heating and cooling without cracking or distortion.
- Corrosion Resistance in Chloride & Sulfur Environments: These flanges resist corrosion from chloride ions, sulfur compounds, and acidic media.
- Superior Dimensional Stability: Inconel 600 flanges retain shape and strength during long-term use in harsh conditions.
- Ease of Welding and Machining: The alloy allows clean, precise welding and machining without compromising material strength.
ASTM B564 Inconel 600 Flanges Standard Size & Specification
Understanding the standard sizes and specifications of ASTM B564 Inconel 600 flanges is important for proper selection in engineering or industrial setups. It ensures compatibility, safety and performance in piping systems subjected to high temperatures and corrosive environments.
1/2" (15 NB) to 48" (1200NB)
ASTM B564 / ASME SB564
ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Threaded / Screwed / Forged / Plate
150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Forging, Rolling, Casting
FNPT, NPT, BSPT, MNPT, BSPP
Types of Inconel 600 Flanges
Inconel 600 flanges come in a range of types to suit various industrial applications, with each designed to give a specific sealing or connecting solution. Below is a brief overview of the most common types:
Manufacturing Types
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SORF (Slip-On Raised Face)Slides over the pipe and gets welded for easy installation in low-pressure systems.
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BLRF (Blind Raised Face)Closes off pipe ends; used for testing or sealing flow in a system.
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SWRF (Socket Weld Raised Face)Pipe fits into a recessed area and is welded around the edge. Ideal for small-bore, high-pressure lines.
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WNRF (Weld Neck Raised Face)Has a long, tapered hub and welds to the pipe for strong, leak-proof joints under high pressure.
Face Forms
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Raised Face (RF)The most common type has a raised surface that improves gasket sealing in medium to high pressure.
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Ring Type Joint (RTJ)Uses a metal ring for sealing and works well in high-pressure, high-temperature services.
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Flat Face (FF)Flat surface flange used with cast iron or low-pressure piping where full face gasket is needed.
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Lap-Joint Face (LJF)Used with stub ends and are easy to align and install. Good for systems that need frequent dismantling.
Contact us today to discuss how Inconel 600 Flanges can benefit your application. Whether you need guidance in selecting the right pipes or have specific requirements, our team of experts is here to help you find the optimal solution.
Technical Details & Delivery Condition
The chemical composition of Inconel 600 flanges is critical to understanding their performance in high-temperature, corrosive situations. The specific balance of elements controls the alloy’s mechanical strength, oxidation resistance, and corrosion behavior in industrial applications.
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr |
| Inconel 600 | 0.15 max | 1.00 max | 0.50 max | 0.015 max | 0.50 max | 6.00 – 10.00 | 72.00 min | 14.00 – 17.00 |
The mechanical and physical properties of Alloy 600 flanges are crucial for knowing their suitability in high-stress and high-temperature applications. These properties ensure how the material will perform under pressure, temperature fluctuations, and mechanical loads.
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2% Offset) | Elongation |
| Inconel 600 | 8.47 g/cm³ | 1413 °C (2580 °F) | Psi – 95,000 , MPa – 655 | Psi – 45,000 , MPa – 310 | 40 % |
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| Inconel 600 | 2.4816 | N06600 | NCF 600 | NA 13 | МНЖМц 28-2,5-1,5 | NC15FE11M | NiCr15Fe |
| Size | OD | WT | Hub at Base Dia. | Raised Face Dia. | Length Thru Hub | Hub at Bevel Dia. | Bore And Dia. | Socket Depth | Fillet Radius | |||
| Loose (Lap Joint) | Weld Neck (WN) | SORF, NPT, SWRF | SORF, SWRF | Loose (Lap Joint) | ||||||||
| O | Q | X | R | Y | Y | Y | H | B | W | Z | r | |
| 3/4 | 3-7/8 | 1/2 | 1-1/2 | 1-11/16 | 5/8 | 2-1/16 | 5/8 | 1.05 | 1.11 | 1.09 | 7/16 | 1/8 |
| 1/2 | 3-1/2 | 7/16 | 1-3/16 | 1-3/8 | 5/8 | 1-7/8 | 5/8 | .84 | .90 | .88 | 3/8 | 1/8 |
| 1 | 4-1/4 | 9/16 | 1-15/16 | 2 | 11/16 | 2-3/16 | 11/16 | 1.32 | 1.38 | 1.36 | 1/2 | 1/8 |
| 1-1/2 | 5 | 11/16 | 2-9/16 | 2-7/8 | 7/8 | 2-7/16 | 7/8 | 1.90 | 1.97 | 1.95 | 5/8 | 1/4 |
| 1-1/4 | 4-5/8 | 5/8 | 2-5/16 | 2-1/2 | 13/16 | 2-1/4 | 13/16 | 1.66 | 1.72 | 1.70 | 9/16 | 3/16 |
| 2 | 6 | 3/4 | 3-1/16 | 3-5/8 | 1 | 2-1/2 | 1 | 2.38 | 2.46 | 2.44 | 11/16 | 5/16 |
| 3 | 7-1/2 | 15/16 | 4-1/4 | 5 | 1-3/16 | 2-3/4 | 1-3/16 | 3.50 | 3.60 | 3.57 | 13/16 | 3/8 |
| 2-1/2 | 7 | 7/8 | 3-9/16 | 4-1/8 | 1-1/8 | 2-3/4 | 1-1/8 | 2.88 | 2.97 | 2.94 | 3/4 | 5/16 |
| 3-1/2 | 8-1/2 | 15/16 | 4-13/16 | 5-1/2 | 1-1/4 | 2-13/16 | 1-1/4 | 4 | 4.10 | 4.07 | 7/8 | 3/8 |
| 5 | 10 | 15/16 | 6-7/16 | 7.5/16 | 1-7/16 | 3-1/2 | 1-7/16 | 5.56 | 5.69 | 5.66 | 15/16 | 7/16 |
| 4 | 9 | 15/16 | 5-5/16 | 6-3/16 | 1-5/16 | 3 | 1-5/16 | 4.50 | 4.60 | 4.57 | 15/16 | 7/16 |
| 6 | 11 | 1 | 7-9/16 | 8-1/2 | 1-9/16 | 3-1/2 | 1-9/16 | 6.63 | 6.75 | 6.72 | 1-1/16 | 1/2 |
| 10 | 16 | 1-3/16 | 12 | 12-3/4 | 1-15/16 | 4 | 1-15/16 | 10.75 | 10.92 | 10.88 | 1-5/16 | 1/2 |
| 8 | 13-1/2 | 1-1/8 | 9-11/16 | 10-5/8 | 1-3/4 | 4 | 1-3/4 | 8.63 | 8.75 | 8.72 | 1-1/4 | 1/2 |
| 12 | 19 | 1-1/4 | 14-3/8 | 15 | 2-3/16 | 4-1/2 | 2-3/16 | 12.75 | 12.92 | 12.88 | 1-9/16 | 1/2 |
| 16 | 23-1/2 | 1-7/16 | 18 | 18-1/2 | 3-7/16 | 5 | 2-1/2 | 16 | 16.19 | 16.16 | 1-3/4 | 1/2 |
| 14 | 21 | 1-3/8 | 15-3/4 | 16-1/4 | 3-1/8 | 5 | 2-1/4 | 14 | 14.18 | 14.14 | 1-5/8 | 1/2 |
| 18 | 25 | 1-9/16 | 19-7/8 | 21 | 3-13/16 | 5-1/2 | 2-11/16 | 18 | 18.20 | 18.18 | 1-15/16 | 1/2 |
| 24 | 32 | 1-7/8 | 26-1/8 | 27-1/4 | 4-3/8 | 6 | 3-1/4 | 24 | 24.25 | 24.25 | 2-1/2 | 1/2 |
| 20 | 27-1/2 | 1-11/16 | 22 | 23 | 4-1/16 | 5-11/16 | 2-7/8 | 20 | 20.25 | 20.20 | 2-1/8 | 1/2 |
| Inconel Alloy Din 2.4816 Flange | 1/2″ (15 NB) to 48″ (1200 NB) |
| Inconel 600 Slip on Flange | 1/2″ NB – 12″ NB |
| ASTM B564 Inconel 600 Blind Flange | 1/2″ NB – 24″ NB |
Inconel Flanges Grades We Offer
Manufacturing Process of Inconel 600 Flanges
Plate
Shear
Press
Inspection
Lathe
Drilling
Cleaning
Flange
Inspection
Analytic
Marking
Packing & Shipping
Industrial Applications
Inconel 600 flanges are used in a wide range of industrial applications where heat and corrosion resistance are critical. They are extensively used in heat exchangers and condensers, because of their great temperature stability. The alloy’s resistance makes it suitable for chemical and marine processing equipment. In oil and gas piping systems, these flanges perform well under pressure and in harsh conditions. They are also used in pumps, valves, and piping exposed to corrosive environments. In hydrofluoric acid handling systems, the material offers strong chemical resistance. Additionally, it is used in food-grade processing components where corrosion must be avoided to ensure hygiene and safety.
Inconel 600 Flanges Certifications & Compliance
All Inconel 600 flanges are manufactured in full compliance with international standards, including ASTM B564, ASME SB564, and conform to EN/DIN pressure equipment directives. Being a reliable supplier of NACE MR0175 Inconel flanges, we make sure that our products meet the essential safety and corrosion resistance requirements for the chemical, oil, and gas sectors. Our ISO 9001:2015-certified Inconel flange is made in accordance with strict quality management standards. It maintains consistency, traceability, and safety at every step. Our PED approved Inconel 600 flanges also comply with PED 2014/68/EU and AD 2000 W0, making them suitable for high-pressure applications across global markets. We conduct thorough quality control processes, including raw material verification, third-party testing, and final inspection protocols. The EN 10204 3.1 Inconel flange comes with complete documentation, such as test certificates, ensuring full traceability and reliable performance from mill to installation.
Why Choose Us?
Engineers trust Midland Alloys Inc. because we keep things simple, reliable and honest. Our global export network ensures timely delivery, allowing projects to stay on schedule no matter the destination. We provide customized options with flexible options in lengths, coatings, and coil shapes to match precise project needs. What truly sets us apart is our commitment to 24/7 customer support; our team is available to address queries and offer technical assistance when you need it. Every product we supply comes with full material traceability, providing engineers with the confidence and documentation they require. With a strong reputation for reliability, customization, and support, we remain a preferred supplier across industries.
Testing & Packaging
We ensure that product quality and safety are our top priority. We use a wide range of testing methods, including positive material identification, to verify material composition. The ultrasonic testing to detect internal flaws, hydrostatic testing (hydro) to confirm pressure integrity, and meticulous visual inspections to identify surface defects. These procedures guarantee that every flange meets stringent industry standards before shipment. When it comes to packaging, we understand that protection during transit is crucial. Our packaging solutions include sturdy wooden boxes designed for maximum durability, secure plastic wrapping to prevent moisture and contamination. Export labels that adhere to international shipping standards are attached. Reliable packaging and extensive testing guarantee that your products will function properly and arrive safely.
FAQs
Inconel 600 flanges are designed to handle high-temperature environments. They can operate continuously at temperatures up to 1175°C (2150°F), especially in oxidizing or neutral atmospheres. This makes them suitable for heat-treating equipment, furnace components, and exhaust systems.
The density of Inconel 600 is around 8.47 g/cm³, offering a strong and stable structure under stress. Its melting range is between 1354°C and 1413°C (2470°F to 2575°F), which supports use in extreme thermal applications without losing strength or shape.
Inconel 600 flanges are available in typical surface treatments including raised face, flat face and ring type joint. These finishes are machined to meet ANSI/ASME B16.5 requirements, ensuring sufficient sealing and compatibility with a variety of piping systems.
