Stainless Steel Flanges

Product Details:

🔩 Nickel Welding Rod

Nickel welding rods are filler metals used for welding nickel alloys, cast iron, and dissimilar metals. They provide excellent corrosion resistance, high-temperature strength, and crack resistance.

📌 What Is a Nickel Welding Rod?

A nickel welding rod is typically used in:

• Arc welding (SMAW – stick welding)

• TIG welding (GTAW – as filler rod)

• Repair welding of cast iron

• Welding nickel-based alloys

Nickel rods are known for:

• High ductility

• Crack resistance

• Good machinability

• Strong bonding with cast iron

🔧 Common Types & Grades1️⃣ Nickel 200 Rod

• Nearly pure nickel

• Excellent corrosion resistance

• Used in chemical processing

2️⃣ Nickel 201 Rod

• Lower carbon version of Nickel 200

• Better for high-temperature applications

3️⃣ Inconel 625 Filler Rod

• Used for welding high-strength nickel alloys

• Excellent resistance to oxidation and seawater

4️⃣ Monel 400 Filler Rod

• Strong resistance to seawater and acids

• Used in marine and chemical industries

5️⃣ Nickel-Iron (Ni-Fe) Rod

• Common for cast iron repair

• Good color match with cast iron

⚙️ Key Features

• High temperature resistance

• Excellent corrosion resistance

• Good weldability

• Strong mechanical properties

• Ideal for dissimilar metal welding

📋 Common Standards

• AWS A5.11 (Stick Electrodes)

• AWS A5.14 (TIG/MIG Wire)

• ASME Section II

🌍 Applications

• Cast iron repair

• Oil & Gas equipment

• Chemical plants

• Power generation

• Marine equipment

• Aerospace components

💰 Why Use Nickel Welding Rod?

• Prevents cracking in cast iron

• Handles thermal expansion better than steel

• Superior corrosion resistance

• Long service life

If you need, I can provide:

• Diameter availability (2.5mm, 3.15mm, 4mm, etc.)

• Price per kg

• Comparison between Ni-99 and Ni-55 rods

• Welding procedure tips

• Technical data sheet (TDS)

Tell me what details you’re looking for.

Product Details:

Duplex Slip On Flange

A Duplex Slip On Flange (SO) is a forged flange made from duplex stainless steel that slides over the pipe and is fillet welded from both inside and outside. It is widely used in moderate- to high-pressure systems where good corrosion resistance and strength are required.

🔹 What Is Duplex Stainless Steel?

Duplex Stainless Steel has a dual-phase microstructure (austenite + ferrite), offering:

• Higher strength than 304/316 stainless steel

• Excellent resistance to chloride stress corrosion cracking

• Strong protection against pitting and crevice corrosion

• Good weldability and structural durability

Common Grades:

• UNS S32205 (Duplex 2205) – Standard duplex

• UNS S32750 (Super Duplex 2507) – Enhanced corrosion resistance

🔹 Key Features

• Easy alignment and installation

• Requires two fillet welds (inside & outside)

• Suitable for low to moderate pressure applications

• More economical than weld neck flanges

• Good performance in chloride and marine environments

🔹 Standard Specifications

• ASTM A182 / ASME SA182 – Forged duplex flanges

• ASME B16.5 – Dimensions and pressure-temperature ratings

• ASME B16.47 – Large diameter flanges

• NACE MR0175 / ISO 15156 – Sour service compliance

🔹 Pressure Classes

• Class 150

• Class 300

• Class 600

• Class 900

• Class 1500

• Class 2500

🔹 Facing Types

• RF (Raised Face)

• FF (Flat Face)

• RTJ (Ring Type Joint)

🔹 Applications

• Oil & gas pipelines

• Chemical processing systems

• Offshore and marine piping

• Water treatment and desalination plants

• Industrial fluid handling systems

🔹 Advantages

• Cost-effective compared to weld neck flanges

• Easier to align and install

• Good corrosion resistance in harsh environments

• Suitable for moderate pressure piping systems

If you want, I can prepare a comparison chart of Duplex Slip On vs Weld Neck vs Socket Weld flanges, showing pressure handling, strength

Product Details:

We are engaged in offering 904l Stainless Steel Flange to our clients. Our range of all products is widely appreciated by our clients.

Other Details:

• Available Size: 1 To 12 Inch 

Product Details:

🔩 Super Duplex Socket Weld Flange

A Super Duplex Socket Weld Flange (SW) is a corrosion-resistant flange designed for small-diameter piping systems where the pipe is inserted into a recessed socket and fillet welded around the hub. It is made from super duplex stainless steel, offering superior strength and resistance to aggressive environments.

🔹 What Is Super Duplex Stainless Steel?

Super Duplex Stainless Steel is a high-performance alloy with approximately 25–27% chromium, 4–5% molybdenum, and 6–8% nickel. It combines austenitic and ferritic phases, giving it:

• Excellent resistance to pitting, crevice, and stress corrosion cracking

• High mechanical strength (about twice that of standard austenitic stainless steel)

• Good weldability and toughness

Common Grades: S32750, S32760 (UNS S32750 / S32760)

🔹 Features of Socket Weld Flange

• Designed for small bore piping (typically ½″ to 2″)

• Strong, leak-resistant joint for high-pressure systems

• Smooth internal bore with proper welding gap

• Compact design suitable for critical systems

🔹 Standard Specifications

• ASTM A182 / ASME SA182 – Forged or rolled alloy flanges

• ASME B16.5 – Pipe flanges & flanged fittings

• NACE MR0175 / ISO 15156 – For sour service environments

🔹 Pressure Classes

• Class 150

• Class 300

• Class 600

• Class 900

• Class 1500

• Class 2500

🔹 Applications

• Oil & gas pipelines and offshore installations

• Chemical processing plants

• Seawater handling and desalination plants

• Pressure vessels and high-pressure small-bore connections

• Piping systems handling chlorides and aggressive chemicals

🔹 Advantages

• Exceptional corrosion resistance, including chloride environments

• High strength-to-weight ratio

• Long service life in harsh chemical and marine environments

• Compact and suitable for small-diameter high-pressure piping

If you want, I can also create a full comparison chart of all Super Duplex flange types (Slip-On, Socket Weld, Weld Neck, Blind) showing best applications, pressure classes, and advantages, which helps in selec

Product Details:

Monel 400 Weld Neck Flange

A Monel 400 Weld Neck Flange (WN) is a high-strength, corrosion-resistant flange with a long tapered hub designed to be butt-welded to a pipe. It is ideal for high-pressure, high-temperature, and critical service applications.

🔹 What Is Monel 400?

Monel 400 is a nickel-copper alloy manufactured by Special Metals Corporation. It is highly resistant to seawater, acids, and alkalis, making it ideal for marine and chemical applications.

UNS: N04400
Werkstoff No.: 2.4360

🔹 Key Features of Weld Neck Flange

• Designed for high-pressure applications

• Reduces stress concentrations at the flange-to-pipe joint

• Long tapered hub provides reinforced weld area

• Excellent corrosion and mechanical resistance

• Suitable for cryogenic to elevated temperature service

🔹 Standard Specifications

• ASTM B564 / ASME SB564 – Nickel alloy forgings

• ASME B16.5 – Pipe flanges & flanged fittings

• ASME B16.47 – Large diameter flanges

• NACE MR0175 (for sour service, if required)

🔹 Pressure Classes

• Class 150

• Class 300

• Class 600

• Class 900

• Class 1500

• Class 2500

🔹 Facing Types

• RF – Raised Face

• FF – Flat Face

• RTJ – Ring Type Joint

🔹 Applications

• Offshore & marine piping systems

• Oil & gas pipelines

• Chemical processing plants

• Desalination plants

• Pressure vessels and high-pressure piping

🔹 Advantages of Monel 400 Weld Neck Flange

• Can handle high pressure and temperature reliably

• Smooth flow transition reduces turbulence

• Provides long-term corrosion resistance

• Reduces risk of leakage at critical joints

If you want, I can create a quick comparison chart of all Monel 400 flange types (Slip-On, Socket Weld, Blind, Weld Neck) including pressure classes, best applications, and advantages.

Do you want me to do that?

 

Product Details:

Duplex Socket Weld Flange

A Duplex Socket Weld Flange (SW) is a high-strength flange made from duplex stainless steel, designed for small-diameter, high-pressure piping systems. The pipe is inserted into a recessed socket and fillet-welded, providing a strong and reliable joint.

🔹 What Is Duplex Stainless Steel?

Duplex Stainless Steel has a dual microstructure of austenite and ferrite, offering:

• Higher strength than 304/316 stainless steel

• Excellent resistance to chloride stress corrosion cracking

• Strong resistance to pitting and crevice corrosion

• Good weldability and durability

Common Grades:

• UNS S32205 (Duplex 2205) – Standard duplex

• UNS S32750 (Super Duplex 2507) – Enhanced corrosion resistance

🔹 Key Features

• Designed for small bore pipes (typically ≤ 2–4 inches)

• Excellent performance in high-pressure systems

• High mechanical strength (almost double austenitic stainless steel)

• Good resistance to seawater and chloride environments

• Compact design suitable for limited space installations

🔹 Standard Specifications

• ASTM A182 / ASME SA182 – Forged duplex stainless steel flanges

• ASME B16.5 – Dimensions and pressure-temperature ratings

• NACE MR0175 / ISO 15156 – Sour service compliance (oil & gas)

🔹 Pressure Classes

• Class 150

• Class 300

• Class 600

• Class 900

• Class 1500

• Class 2500

🔹 Facing Types

• RF (Raised Face)

• FF (Flat Face)

• RTJ (Ring Type Joi

Product Details:

 Duplex Weld Neck Flange

A Duplex Weld Neck Flange (WN) is a high-strength flange made from duplex stainless steel, featuring a tapered hub designed for butt welding to a pipe. This type of flange is specifically engineered for high-pressure, high-temperature, and corrosive environments.

🔹 What Is Duplex Stainless Steel?

Duplex Stainless Steel has a dual-phase microstructure: austenite and ferrite. This gives it the strength of ferritic stainless steel with the corrosion resistance of austenitic stainless steel, making it ideal for chloride-rich or harsh chemical environments.

Common Grades:

• S32205 / 2205 – Standard duplex

• S32750 / 2507 – Super duplex, higher corrosion resistance

🔹 Key Features

• Excellent resistance to chloride stress corrosion cracking

• Strong pitting and crevice corrosion resistance

• High mechanical strength – nearly twice that of 304/316 stainless steel

• Smooth stress transition from flange to pipe due to the long hub

• Suitable for high-pressure, high-temperature applications

🔹 Standard Specifications

• ASTM A182 / ASME SA182 – Duplex stainless steel forged flanges

• ASME B16.5 – Pipe flanges & flanged fittings (up to 24″)

• ASME B16.47 – Large diameter flanges

• NACE MR0175 / ISO 15156 – For sour service (oil & gas)

Product Details:

🔩 Duplex stainless steel Forged Fittings

Duplex forged fittings are high-strength pipe fittings manufactured from duplex stainless steel through a forging process. They are widely used in high-pressure, high-strength, and corrosive environments.

📌 What Are Forged Fittings?

Forged fittings are made by shaping heated metal under high pressure. Compared to buttweld fittings, they are:

• Stronger and denser

• Ideal for small bore, high-pressure piping

• Available with threaded or socket weld ends

🔧 Common Types

• Socket Weld Elbow (90° / 45°)

• Threaded Elbow

• Tee (Equal / Reducing)

• Cross

• Coupling (Full / Half)

• Union

• Cap

• Plug / Bushing

🏭 Popular Duplex Grades1️⃣ Duplex 2205

• Excellent corrosion resistance

• High strength (almost double austenitic stainless steel)

• Common in oil & gas and marine industries

2️⃣ Super Duplex 2507

• Superior pitting & crevice corrosion resistance

• Suitable for aggressive chloride environments

• Used in offshore and seawater systems

⚙️ Key Properties

• High tensile & yield strength

• Excellent resistance to stress corrosion cracking

• Good weldability

• High resistance to chloride environments

• Longer service life than standard stainless steel

📋 Standards

• ASTM A182 (Forged fittings)

• ASME B16.11

• MSS SP-79 / SP-83 / SP-95

• NACE MR0175 (for sour service)

🌍 Applications

• Oil & Gas pipelines

• Offshore platforms

• Petrochemical plants

• Desalination plants

• Marine equipment

• Heat exchangers

💰 Why Choose Duplex Forged Fittings?

• Higher strength allows thinner walls

• Better corrosion resistance than 316 stainless steel

• Cost-effective compared to superalloys

If you need, I can provide:

• Pressure rating chart (Class 3000 / 6000 / 9000)

• Size range details

• Chemical composition

• Price comparison with stainless steel

• Export packing details

Let me know what information you need.

Product Details:

Titanium square rods are solid, four-sided bars made from titanium, known for their high strength-to-weight ratio, corrosion resistance, and biocompatibility.

🔎 Key Properties

• ⚖️ Lightweight (about 45% lighter than steel)

• 💪 High strength (especially Grade 5)

• 🧪 Excellent corrosion resistance (seawater, chemicals)

• 🌡️ Good high-temperature performance

• 🦴 Biocompatible (used in medical implants)

📏 Common Grades

• Grade 2 (Commercially Pure Titanium)

  • Excellent corrosion resistance

  • Easy to form and weld

  • Used in chemical processing & marine environments

• Grade 5 (Ti-6Al-4V)

  • Most widely used titanium alloy

  • Very high strength

  • Aerospace, motorsports, medical components

📐 Typical Specifications

• Side length: 3 mm to 100+ mm

• Length: 1 m, 3 m, or custom-cut

• Finish: Mill finish, polished, or precision ground

• Standards: ASTM B348 (bars and billets)

🏭 Common Applications

• ✈️ Aerospace structural parts

• ⚙️ Precision machined components

• 🛥️ Marine hardware

• 🦴 Medical implants and surgical instruments

• 🏎️ Automotive performance parts

If you share:

• Required grade (Grade 2 or 5?)

• Dimensions (square size & length)

• Quantity

• Intended application

I can help narrow down the best option for your needs.

Product Details:

�� Inconel Buttweld Fittings

Inconel buttweld fittings are pipe fittings made from Inconel alloy and designed to be welded directly to pipes. They are widely used in high-temperature, high-pressure, and corrosive environments.

�� What Are Buttweld Fittings?

Buttweld fittings are welded to the pipe by butt welding, providing:

• Smooth flow transition

• High mechanical strength

• Leak-proof joints

• Suitable for high pressure & temperature systems

�� Common Types

• 90° & 45° Elbows

• Tees (Equal & Reducing)

• Reducers (Concentric & Eccentric)

• Stub Ends

• Caps

• Cross fittings

�� Popular Inconel Grades for Buttweld Fittings1️⃣ Inconel 625

• Excellent corrosion resistance

• Resistant to seawater & chemicals

• Common in marine & oil industries

2️⃣ Inconel 718

• Very high tensile strength

• Suitable for high-pressure systems

• Aerospace & turbine applications

3️⃣ Inconel 600

• Good oxidation resistance

• Used in heat-treating equipment

⚙️ Key Features

• High strength at elevated temperatures

• Excellent oxidation & corrosion resistance

• Suitable up to ~1000°C (grade dependent)

• Long service life

• Good fatigue resistance

�� Common Standards

• ASTM B366

• ASME B16.9

• ASME B16.28

• ANSI / DIN standards

�� Applications

• Oil & Gas pipelines

• Chemical processing plants

• Offshore platforms

• Power generation

• Aerospace fuel systems

• Heat exchangers

�� Why Choose Inconel Buttweld Fittings?

Although more expensive than stainless steel, they offer:

• Longer lifespan

• Lower maintenance

• High reliability in extreme conditions

If you want, I can provide:

• Technical data sheet (TDS)

• Price range per kg

• Size chart

• Comparison with Hastelloy or Monel

• Export documentation details

Let me know what you need.

Product Details:

manufactures Stainless Steel Flanges of different shapes and sizes with distinct specifications and customers’ requirements. We cater to the gigantic global demand of our customers spread across 6 continents around 96 countries. Viraj Profiles Pvt. Ltd flanges are reputed and well known across the globe for their reliability and quality. Our flanges division encompasses an integrated forge shop which manufacturers all types of pipe fittings i.e. flanges, butt welding fittings (ASME/ ANSI, EN, DIN, AFNOR, AWWA, GOST, BS, JIS, AS, MSS, SA, UNI etc.) as well as forged bars.

We produce flanges in the size range from ½” to 40”. Viraj Profiles Pvt. Ltd has an established and stringent quality system with more than 100 approvals and certifications following various specific requirements and applications. These approvals and certifications help us supply Viraj Profiles Pvt. Ltd Flanges to major end-users across a diverse list of industries.

Additional Information:

• Delivery Time: READY STOCK
• Packaging Details: AS PER STANDARD

Product Details:

The M16 Stainless Steel Nut is a high-strength fastening component designed for secure and reliable bolting in demanding applications. Manufactured from premium-grade stainless steel, it offers excellent resistance to corrosion, rust, and chemical exposure, making it ideal for both indoor and outdoor use.

Engineered to fit M16 metric threaded bolts, this nut provides precise threading for a tight, vibration-resistant connection. Its robust construction ensures long-term durability under heavy loads, high pressure, and varying environmental conditions.

Applications:
Widely used in machinery assembly, structural frameworks, automotive systems, marine equipment, and general engineering projects where strength and reliability are essential.

 

The M16 Stainless Steel Nut delivers dependable performance, long service life, and consistent fastening quality in even the most challenging environments.

Additional Information:

• Delivery Time: Ready Stock
• Packaging Details: As Per Standard

Product Details:

Monel 400 Socket Weld Flange

A Monel 400 Socket Weld Flange (SW Flange) is a high-strength, corrosion-resistant forged flange designed for small-diameter, high-pressure piping systems. The pipe is inserted into a recessed socket and fillet welded around the hub.

🔹 What Is Monel 400?

Monel 400 is a solid-solution nickel–copper alloy manufactured by Special Metals Corporation. It provides excellent resistance to seawater, hydrofluoric acid, and alkaline environments.

UNS: N04400
Werkstoff No.: 2.4360

🔹 Features of Socket Weld Flange

• Designed for small bore piping (typically ½″ to 2″)

• Strong, reliable joint for high-pressure service

• Reduced leakage risk compared to slip-on flanges

• Smooth internal bore (with proper gap allowance before welding)

• Ideal for hazardous or high-integrity systems

🔹 Standard Specifications

Common manufacturing standards include:

• ASTM B564 – Nickel alloy forgings

• ASME SB564

• ASME B16.5 – Pipe flanges & flanged fittings

• NACE MR0175 (if required for sour service)

🔹 Pressure Ratings

Available in:

• Class 150

• Class 300

• Class 600

• Class 900

• Class 1500

• Class 2500

🔹 Applications

• Marine and offshore systems

• Oil & gas high-pressure lines

• Chemical processing plants

• Pump and compressor connections

• Hydraulic and steam systems

🔹 Advantages

• Excellent resistance to seawater corrosion

• High strength and toughness

• Better fatigue resistance than slip-on type

• Compact design for small piping

If you need:

• 💰 Price per piece

• ⚖️ Weight chart

• 📄 EN 10204 3.1 / 3.2 certification

• 📦 Stock availability

Please share:

• NPS size

• Pressure class

• Facing (RF / RTJ)

• Quantity required

Get smarter responses, upload files and im

Product Details:

Monel 400 Slip-On Flange

A Monel 400 Slip-On Flange (SORF) is a corrosion-resistant pipe flange made from Monel 400, designed to slide over a pipe and be fillet welded for secure connection in piping systems.

🔹 What Is Monel 400?

Monel 400 is a nickel-copper alloy developed by Special Metals Corporation. It offers excellent resistance to seawater, acids, and alkaline environments.

UNS Number: N04400
Werkstoff No.: 2.4360

🔹 What Is a Slip-On Flange?

A Slip-On Flange (SO Flange) is designed to:

• Slide over the pipe

• Be welded inside and outside

• Provide good strength with easier alignment than weld neck flanges

• Be suitable for low to moderate pressure applications

🔹 Key Features

• Excellent resistance to seawater and marine environments

• Good resistance to hydrofluoric and sulfuric acids

• High strength and toughness

• Good weldability

• Suitable for both cryogenic and elevated temperatures

🔹 Standard Specifications

Monel 400 slip-on flanges are typically manufactured as per:

• ASTM B564 – Nickel alloy forgings

• ASME SB564

• ASME B16.5 – Pipe flanges & flanged fittings

• ASME B16.47 – Large diameter flanges

• NACE MR0175 (for sour service if required)

🔹 Pressure Ratings

Available in standard pr

Product Details:

🔩 Inconel 600 Slip On Flange

An Inconel 600 Slip On Flange (SO) is a forged flange manufactured from Inconel 600, designed to slide over the pipe and be secured with fillet welds on both the inside and outside. It is suitable for high-temperature and moderately high-pressure applications where corrosion and oxidation resistance are required.

🔹 What Is Inconel 600?

Inconel 600 is a nickel-chromium alloy developed by Special Metals Corporation. It provides excellent resistance to oxidation, carburization, and corrosion, along with good mechanical strength over a wide temperature range.

UNS Number: N06600
Werkstoff No.: 2.4816

🔹 Key Features

• Easy pipe alignment and installation

• Requires two fillet welds (internal and external)

• Excellent resistance to oxidation and high-temperature corrosion

• Good performance in oxidizing and mildly reducing environments

• Suitable for moderate to high-pressure systems

🔹 Standard Specifications

• ASTM B564 / ASME SB564 – Nickel alloy forged flanges

• ASME B16.5 – Pipe flanges (up to 24″)

• ASME B16.47 – Large diameter flanges

• NACE MR0175 / ISO 15156 – Sour service compliance (if required)

🔹 Pressure Classes

• Class 150

• Class 300

• Class 600

• Class 900

• Class 1500

• Class 2500

🔹 Facing Types

• RF (Raised Face)

• FF (Flat Face)

• RTJ (Ring Type Joint)

🔹 Applications

• Chemical and petrochemical plants

• Furnace and heat treatment systems

• High-temperature process piping

• Steam lines and power plants

• Heat exchangers and pressure vessels

🔹 Advantages

• More economical than weld neck flanges

• Easy installation and alignment

• Good durability in high-temperature and corrosive environments

• Reliable sealing performance in industrial piping systems

If you’d like, I can prepare a comparison chart of Inconel 600 Slip On vs Weld Neck flanges, showing strength, installation method, and ideal use cases.

Product Details:

🔩 Inconel 825 Socket Weld Flange

An Inconel 825 Socket Weld (SW) Flange is a forged flange designed for small-diameter, high-pressure piping systems. The pipe is inserted into a recessed socket and fillet welded, creating a strong, leak-resistant joint suitable for corrosive and acidic environments.

🔹 What Is Inconel 825?

Inconel 825 is a nickel-iron-chromium alloy with additions of molybdenum and copper, developed by Special Metals Corporation. It provides excellent resistance to both oxidizing and reducing acids, along with good mechanical strength and durability.

UNS Number: N08825
Werkstoff No.: 2.4858

🔹 Key Features

• Designed for small bore piping (typically up to 4″ NB)

• Excellent resistance to sulfuric, phosphoric, and nitric acids

• Good resistance to pitting, crevice corrosion, and chloride stress corrosion cracking

• Compact design ideal for space-restricted installations

• Suitable for moderate to high-pressure systems

🔹 Standard Specifications

• ASTM B564 / ASME SB564 – Nickel alloy forged flanges

• ASME B16.5 – Pipe flanges and flanged fittings

• NACE MR0175 / ISO 15156 – Sour service compliance (if required)

🔹 Pressure Classes

• Class 150

• Class 300

• Class 600

• Class 900

• Class 1500

🔹 Facing Types

• RF (Raised Face)

• FF (Flat Face)

🔹 Applications

• Chemical and petrochemical plants

• Acid production and handling systems

• Offshore and marine piping

• Heat exchangers and pressure vessels

• Pollution control and scrubber systems

🔹 Advantages

• Strong and compact connection for high-pressure small-bore piping

• Excellent corrosion resistance in acidic and chloride-rich environments

• Durable, long service life

• Easier installation compared to threaded joints

If required, I can also provide a technical comparison between Inconel 825 and Inconel 625 socket weld flanges, including strength, corrosion resistance, and temperature capability.

Product Details:

🔩 Hastelloy C22 Weld Neck Flange

A Hastelloy C22 Weld Neck Flange (WN) is a forged flange made from Hastelloy C22, designed for high-pressure, high-temperature, and highly corrosive environments. Its long tapered hub allows for butt welding to the pipe, ensuring excellent strength and smooth stress distribution.

🔹 What Is Hastelloy C22?

Hastelloy C-22 is a premium nickel-chromium-molybdenum alloy developed by Haynes International. It offers exceptional resistance to pitting, crevice corrosion, and chloride stress corrosion cracking, along with outstanding performance in both oxidizing and reducing chemical environments.

UNS Number: N06022
Werkstoff No.: 2.4602

🔹 Key Features

• Long tapered hub minimizes stress concentration at weld joint

• Superior resistance to localized corrosion

• Excellent performance in chloride-rich and acidic environments

• High mechanical strength and structural integrity

• Reliable for critical high-pressure piping systems

🔹 Standard Specifications

• ASTM B564 / ASME SB564 – Nickel alloy forged flanges

• ASME B16.5 – Pipe flanges (up to 24″)

• ASME B16.47 – Large diameter flanges

• NACE MR0175 / ISO 15156 – Sour service compliance

🔹 Pressure Classes

• Class 150

• Class 300

• Class 600

• Class 900

• Class 1500

• Class 2500

🔹 Facing Types

• RF (Raised Face)

• FF (Flat Face)

• RTJ (Ring Type Joint)

🔹 Applications

• Chemical processing plants

• Acid production and handling systems

• Offshore oil & gas equipment

• Flue gas desulfurization systems

• Heat exchangers and pressure vessels

🔹 Advantages

• Excellent durability in extremely aggressive chemical environments

• Strong, leak-proof welded connection

• Long service life under high pressure and temperature

• Reduced maintenance in corrosive service conditions

If you’d like, I can prepare a comparison chart of Hastelloy C22 vs C276 Weld Neck Flanges, highlighting corrosion resistance, temperature capability, and best-use applications.

Product Details:

🔩 Hastelloy C22 Blind Flange

A Hastelloy C22 Blind Flange (BLRF/BLFF) is a solid forged flange used to seal the end of a piping system or pressure vessel opening. Made from Hastelloy C22, it is designed for highly corrosive and high-pressure environments, offering exceptional durability and leak-proof performance.

🔹 What Is Hastelloy C22?

Hastelloy C-22 is a versatile nickel-chromium-molybdenum alloy developed by Haynes International. It provides outstanding resistance to pitting, crevice corrosion, and chloride stress corrosion cracking, even in aggressive chemical environments.

UNS Number: N06022
Werkstoff No.: 2.4602

🔹 Key Features

• Solid flange with no bore (no center hole)

• Exceptional resistance to oxidizing and reducing acids

• Superior protection against localized corrosion

• High strength and structural integrity

• Reliable sealing for pressure testing and system isolation

🔹 Standard Specifications

• ASTM B564 / ASME SB564 – Nickel alloy forged flanges

• ASME B16.5 – Pipe flanges (up to 24″)

• ASME B16.47 – Large diameter flanges

• NACE MR0175 / ISO 15156 – Sour service compliance

🔹 Pressure Classes

• Class 150

• Class 300

• Class 600

• Class 900

• Class 1500

• Class 2500

🔹 Facing Types

• RF (Raised Face)

• FF (Flat Face)

• RTJ (Ring Type Joint)

🔹 Applications

• Chemical processing plants

• Acid handling systems (sulfuric, nitric, hydrochloric acids)

• Offshore and marine equipment

• Flue gas desulfurization units

• Heat exchangers and pressure vessels

🔹 Advantages

• Withstands extreme corrosive environments

• Excellent durability under high pressure and temperature

• Long service life with minimal maintenance

• Ideal for critical pipeline closure and testing applications

If needed, I can prepare a comparison chart of Hastelloy C22 vs C276 blind flanges, highlighting corrosion resistance, pressure ratings, and recommended applications.