Flanges

Flanges

Our range of industrial flanges are ideal for application in diverse industry for high pressure and temperature applications. These flanges are designed with precision for easy installation. Apart from standard flanges, we also offer custom designed flanges to meet the specific application requirements of the customers.

Products is acknowledged as a manufacturer, exporter & suppliers of Slip On Flange & Stainless steel Flanges (Gr. 304, 304L, 316, 316L) available in a variety or grades, materials, and finishes, in metric and inch sizes. These Slip On Flange are manufacture in different Material of Flanges like SORF Flanges, Carbon Steel Slip On Flanges, Stainless Steel Slip On Flanges, Alloy Steel Slip On Flanges, Duplex Steel Slip On Flanges, Inconel Slip On Flanges, Monel Slip On Flanges, Hastelloy Slip On Flanges, Copper Nickel Slip On Flanges in India & Asia, conform to Slip On specifications.

The flange is slipped over the pipe and then welded both inside and outside to provide sufficient Strength and prevent leakage. This flange is used in preference to weld necks by many users because of its lower cost and the fact that less accuracy is required when cutting pipe to length.
Size: 1/2″ (15 NB) to 48″ (1200NB)
Standards: ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
Pressure Ratings: Class 150, Class 300, Class 400, Class 600, Class 900, Class1500, Class 2500 | PN6, PN10, PN16, PN25, PN40, PN64 etc.
Carbon Steel Slip-on Flanges: ASTM A105/A105N, A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2, A694 F42, F46, F48, F50, F52, F56, F60, F65, F70, A516.60, 65, 70 (Spectacle Blind Flange, Spacer Ring/Spade Flange), Steel RST37.2, C22.8
Stainless Steel Slip-on Flanges: ASTM A182 F202, F304/304L/304H, F316/316L, F316H, F316TI, F310, F321, F904L
Alloy Steel Slip-on Flanges: ASTM A182 F1, F5, F9, F11, F22, F91
Special Alloy Slip-on Flanges: Duplex, Super Duplex, Nickel Alloys
Flange Face Type: Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Coating/Surface Treatment: Anti-rust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized
Value Added Services: CNC Machining, Customised Flanges
Sizes for Slip On Flanges
All Slip On Flanges are available available in sizes from 1/4” through to any size.
Wall Thickness for Slip On Flanges
Schedule 5s through to Schedule XXS and heavier.
Dimensions
Diameter : 1/2″ to 24″
Pressure class : 150#, 300#, 600#, 1500#
Dimensions and Pressure Ratings for Slip On Flanges:
ANSI, MSS- SP-44, BS3293, API 605 150lb through to 2500lb
Flange Facings: Raised Face, Ring Type Joint, Large Tongue & Groove, Small Tongue & Groove
BS4504, PN6, 10, 16, 25, 64
BS10, Table D, E, F, & H
DIN Standards

Specification/ Dimension of Slip On flanges
150 Lbs

Drilling
Nominal Bore Dia.(D) Thick.(E) Dia.(F) Dia.(B) Dia.(A) Height1(H) Nbr Holes Dia.(C)
1/2″ 90 9.6 35.05 30 22.2 14 4 15.87 60.3
3/4″ 100 11.2 42.93 38 27.7 14 4 15.87 69.9
1″ 110 12.7 50.80 49 34.5 16 4 15.87 79.4
1 1/4″ 115 14.3 63.50 59 43.2 19 4 15.87 88.9
1 1/2″ 125 15.9 73.15 65 49.5 21 4 15.87 98.4
2″ 150 17.5 91.95 78 61.9 24 4 19.05 120.7
2 1/2″ 180 20.7 104.65 90 74.6 27 4 19.05 139.7
3″ 190 22.3 127.00 108 90.7 29 4 19.05 152.4
3 1/2″ 215 22.3 139.70 122 103.4 30 8 19.05 177.8
4″ 230 22.3 157.22 135 116.1 32 8 19.05 190.5
5″ 255 22.3 185.67 164 143.8 35 8 22.22 215.9
6″ 280 23.9 215.90 192 170.7 38 8 22.22 241.3
8″ 345 27.0 269.75 246 221.5 43 8 22.22 298.5
10″ 405 28.6 323.85 305 276.2 48 12 25.40 362.0
12″ 485 30.2 381.00 365 327.0 54 12 25.40 431.8
14″ 535 33.4 412.75 400 359.2 56 12 28.57 476.3
16″ 595 35.0 469.90 457 410.5 62 16 28.57 539.8
18″ 635 38.1 533.40 505 461.8 67 16 31.75 577.9
20″ 700 41.3 584.20 559 513.1 71 20 31.75 635.0
24″ 815 46.1 692.15 663 616.0 81 20 34.92 74



Nickel Alloy Flanges

Scope of Alloy Pipe Impex nickel flanges are perfect for application in various industry for high weight and temperature applications. These flanges are composed with exactness for simple establishment. Aside from standard flanges, we likewise offer hand crafted nickel flanges to meet the particular application prerequisites of the clients.
Item Code: 7219
Port Of Dispatch: Any
Production Capacity: Ready Stock
Packaging Details: As Per Customer Requirment

Material Standard ANSI B16.5, ASTM A182, ASTM A351, ASTM A105
Product Type Bars, Pellets, Rods
Grades Nickel 200 , Nickel 201
Material Grade All standard grades
Diameter All standard sizes
Material Nickel Alloy
Size >30 inch


Monel Alloy Flanges

We are offering Monel Alloy Flanges to our clients. Contact us for more consultation and orders.
Production Capacity: 70,000 Metric Tons
Port Of Dispatch: Any
Delivery Time: Ready Stock
Packaging Details: As Per Buyer's Requirement


Size 20-30 inch, 5-10 inch, 1-5 inch, >30 inch, 0-1 inch, 10-20 inch
Material Standard ASTM A351, ANSI B16.5, ASTM A182, ASTM A105
Condition New
Color Any
Material Monel Alloy


Inconel Flanges

Inconel flanges can withstand high temperatures, making them ideal for applications in environments with extreme heat, such as gas turbines and exhaust systems.
The nickel content in Inconel provides excellent resistance to oxidation and corrosion, even in harsh environments like seawater, acidic, and alkaline environments.
Inconel forms a protective oxide layer when exposed to high temperatures, which helps to prevent further oxidation.
Inconel 600: Good oxidation and corrosion resistance at higher temperatures. Commonly used in chemical and food processing, nuclear engineering, and the aerospace industry.

Specification Details
Material Grades Inconel 600, Inconel 625, Inconel 718
Standards ASME B16.5, ASME B16.47, ASTM B564, ASTM B472, DIN 2632, DIN 2633
Sizes 1/2" to 48" (Nominal Pipe Size)
Pressure Ratings 150#, 300#, 400#, 600#, 900#, 1500#, 2500#
Types of Flanges Weld Neck, Slip-On, Blind, Socket Weld, Lap Joint, Threaded, Orifice, Long Weld Neck
Temperature Range -200°C to 1200°C
Corrosion Resistance Excellent in various aggressive environments including oxidizing and reducing conditions
Applications Aerospace, Chemical Processing, Marine, Power Generation, Oil & Gas
Mechanical Properties Yield Strength: 65-105 ksi, Tensile Strength: 95-150 ksi
Chemical Composition Varies by grade; common elements include Nickel (58-72%), Chromium (14-23%), Molybdenum (up to 10%)
Manufacturing Process Forged, Heat-treated, Machined
Testing and Quality Control Hydrostatic Testing, Ultrasonic Testing, Radiography, Magnetic Particle Inspection
Surface Finish Smooth, Rust-proof Oil, Black, Galvanized, as per customer requirement
Certification Mill Test Certificate (MTC) according to EN 10204 3.1/3.2


Hastelloy Flanges

Hastelloy is a high-performance nickel-molybdenum-chromium superalloy known for its exceptional resistance to corrosion, especially in harsh chemical environments. Hastelloy flanges are critical components in industries that demand materials capable of withstanding extreme conditions, including high temperatures and corrosive substances.
Hastelloy C-276: Excellent resistance to pitting, stress-corrosion cracking, and oxidizing atmospheres up to 1900°F (1038°C). Commonly used in chemical processing, pollution control, and waste treatment.
Hastelloy C-22: Superior resistance to corrosion, especially in oxidizing environments. Widely used in pharmaceutical, food processing, and petrochemical industries.

Specification Details
Material Grades Hastelloy C-276, Hastelloy C-22, Hastelloy B-2
Standards ASME B16.5, ASME B16.47, ASTM B564, ASTM B472, DIN 2632, DIN 2633
Sizes 1/2" to 48" (Nominal Pipe Size)
Pressure Ratings 150#, 300#, 400#, 600#, 900#, 1500#, 2500#
Types of Flanges Weld Neck, Slip-On, Blind, Socket Weld, Lap Joint, Threaded, Orifice, Long Weld Neck
Temperature Range -200°C to 1250°C
Corrosion Resistance Excellent in various aggressive environments including oxidizing and reducing conditions
Applications Chemical Processing, Pharmaceuticals, Power Generation, Marine, Oil & Gas
Mechanical Properties Yield Strength: 35-70 ksi, Tensile Strength: 100-150 ksi
Chemical Composition Varies by grade; common elements include Nickel (57-70%), Chromium (14-22%), Molybdenum (up to 30%)
Manufacturing Process Forged, Heat-treated, Machined
Testing and Quality Control Hydrostatic Testing, Ultrasonic Testing, Radiography, Magnetic Particle Inspection
Surface Finish Smooth, Rust-proof Oil, Black, Galvanized, as per customer requirement
Certification Mill Test Certificate (MTC) according to EN 10204 3.1/3.2


Super Duplex Flanges

Super Duplex stainless steel is a type of advanced stainless steel known for its excellent corrosion resistance, high strength, and resistance to stress corrosion cracking. It is composed of a mixed microstructure of austenite and ferrite, typically in a 50/50 ratio.
Super Duplex 2507 (UNS S32750): Contains approximately 25% chromium, 4% molybdenum, and 7% nickel. Excellent general corrosion resistance and strength.
Super Duplex 32760 (UNS S32760): Similar composition to 2507 with the addition of tungsten for improved pitting resistance. Often used in oil and gas applications.

Specification Details
Material Grades Super Duplex 2507 (UNS S32750), Super Duplex 32760 (UNS S32760)
Standards ASME B16.5, ASME B16.47, ASTM A182, ASTM A240, DIN 2632, DIN 2633
Sizes 1/2" to 48" (Nominal Pipe Size)
Pressure Ratings 150#, 300#, 400#, 600#, 900#, 1500#, 2500#
Types of Flanges Weld Neck, Slip-On, Blind, Socket Weld, Lap Joint, Threaded, Orifice, Long Weld Neck
Temperature Range -50°C to 300°C (can vary depending on specific grade and application)
Corrosion Resistance Excellent in various aggressive environments including seawater and chlorides
Applications Oil and Gas, Chemical Processing, Marine, Power Generation, Desalination
Mechanical Properties Yield Strength: 80-110 ksi, Tensile Strength: 115-135 ksi
Chemical Composition Chromium (24-26%), Nickel (6-8%), Molybdenum (3-4%), Nitrogen (0.24-0.32%), others as specified
Manufacturing Process Forged, Heat-treated, Machined
Testing and Quality Control Hydrostatic Testing, Ultrasonic Testing, Radiography, Magnetic Particle Inspection
Surface Finish Smooth, Rust-proof Oil, Black, Galvanized, as per customer requirement
Certification Mill Test Certificate (MTC) according to EN 10204 3.1/3.2


Duplex Steel Flanges

Duplex flanges are made from an austenitic-ferritic stainless steel, which was designed to deliver higher strength and corrosion resistance than other 300 series stainless steel flanges. It helps users to avoid stress corrosion, cracking that is typically seen with 316 and 317. The advantages of duplex stainless steel – higher strength, better fatigue properties, high resistance to chloride stress corrosion cracking etc.


Standard ASTM A182
Type Weldneck, Slipon, Blind, Socketweld
Grade F51 (31803), F53 (32750), F55 (32760), F61 (32261)
Size 0.5” to 12”
Class 150#, 300#, 600#, 900#, 1500#


Stainless Steel Flanges

Stainless steel Flanges are widely used in both domestic and industrial applications because of the various benefits it offers. It is resistant to corrosion and temperature and appearance is good. The flanges made of stainless steel offers all these benefits and many more. Stainless steel flanges are important in industries like transport, gas, water, food, beverage, chemical process etc where piping is required these flanges are used for connections. Flanges are important part of the piping connection and also provides easy access for cleaning, inspection or modification.

Standard ASTM A182
Type Weldneck, Slipon, Blind, Socketweld
Grade 304, 304L, 304H, 310, 310S, 316, 316L, 316ti, 317, 317L, 321, 347, 904L
Size 0.5” to 24”
Class 150#, 300#, 600#, 900#, 1500#


Alloy Steel Flanges

Alloy steel flanges offer high tensile and yield strength, making them suitable for high-pressure applications.
Durability: Excellent resistance to wear and tear, providing long service life even in harsh conditions.
Temperature Resistance: Capable of withstanding high temperatures without losing strength or integrity.
A182 F1: Contains molybdenum for increased strength and corrosion resistance. Used in high-temperature service applications.
A182 F5: Contains chromium and molybdenum, offering good resistance to oxidation and corrosion. Suitable for high-temperature service in oil refineries and power plants.
A182 F9: Contains higher chromium and molybdenum content for better corrosion and oxidation resistance. Ideal for high-pressure and high-temperature applications.

Specification Details
Material Grades A182 F1, A182 F5, A182 F9, A182 F11, A182 F22
Standards ASME B16.5, ASME B16.47, ASTM A182, ASTM A105, DIN 2632, DIN 2633
Sizes 1/2" to 48" (Nominal Pipe Size)
Pressure Ratings 150#, 300#, 400#, 600#, 900#, 1500#, 2500#
Types of Flanges Weld Neck, Slip-On, Blind, Socket Weld, Lap Joint, Threaded, Orifice, Long Weld Neck
Temperature Range -29°C to 593°C (can vary depending on specific grade and application)
Corrosion Resistance Enhanced resistance to oxidation, sulfidation, and other forms of corrosion
Applications Power Generation, Petrochemical, Oil and Gas, Chemical Processing
Mechanical Properties Yield Strength: 30-80 ksi, Tensile Strength: 60-100 ksi
Chemical Composition Chromium (1-9%), Molybdenum (0.5-1%), Nickel, Vanadium, Carbon, Manganese, Silicon
Manufacturing Process Forged, Heat-treated, Machined
Testing and Quality Control Hydrostatic Testing, Ultrasonic Testing, Radiography, Magnetic Particle Inspection
Surface Finish Smooth, Rust-proof Oil, Black, Galvanized, as per customer requirement
Certification Mill Test Certificate (MTC) according to EN 10204 3.1/3.2


Carbon Steel Flanges

Carbon Steel Flanges are pipe connectors that join two pieces of piping together. They are made using carbon steel material and contain a raised lip or rim that ensures a strong bond is formed between the pipes by welding them together. Furthermore, they are designed to support greater pressure due to their stronger construction. These metallic connections also provide moderate corrosion resistance, making them ideal for industrial & general purpose applications.


Standard ASTM A105
Type Weldneck, Slipon, Blind, Socketweld
Size 0.5” to 24”
Class 150#, 300#, 600#, 900#, 1500#


Aluminum Flanges

Aluminum flanges are significantly lighter than steel and other metal flanges, making them easier to handle and install.
Excellent resistance to corrosion, especially in environments exposed to moisture and chemicals. This makes them suitable for marine and chemical applications.
6061: Known for its excellent mechanical properties and weldability. Suitable for structural applications.
5083: Offers high strength and exceptional resistance to seawater corrosion. Commonly used in marine applications.
7075: High strength and good fatigue resistance. Used in aerospace and high-stress applications.

Specification Details
Material Grades 6061, 5083, 7075
Standards ASME B16.5, ASME B16.47, ASTM B247, DIN 2632, DIN 2633
Sizes 1/2" to 48" (Nominal Pipe Size)
Pressure Ratings 150#, 300#, 400#, 600#, 900#, 1500#
Types of Flanges Weld Neck, Slip-On, Blind, Socket Weld, Lap Joint, Threaded, Orifice, Long Weld Neck
Temperature Range -270°C to 150°C (can vary depending on specific grade and application)
Corrosion Resistance Excellent, particularly in marine and chemical environments
Applications Marine, Chemical Processing, Aerospace, Automotive, Electrical
Mechanical Properties Yield Strength: 35-80 ksi, Tensile Strength: 60-90 ksi
Chemical Composition Varies by grade; common elements include Aluminum (90-99%), Magnesium (0.8-1.2%), Silicon (0.4-0.8%)
Manufacturing Process Forged, Extruded, Machined
Testing and Quality Control Hydrostatic Testing, Ultrasonic Testing, Radiography, Dimensional Inspection
Surface Finish Smooth, Anodized, Polished, as per customer requirement
Certification Mill Test Certificate (MTC) according to EN 10204 3.1/3.2


Titanium Flanges

Titanium flanges are highly sought after in various industries due to their exceptional properties, such as high strength-to-weight ratio, corrosion resistance, and biocompatibility. They are particularly useful in environments where both strength and resistance to harsh conditions are required.
High Strength-to-Weight Ratio: Titanium flanges provide excellent strength while being significantly lighter than steel flanges, making them ideal for applications where weight reduction is crucial.

Corrosion Resistance: Outstanding resistance to corrosion in seawater, acidic environments, and other aggressive chemicals. This makes them suitable for marine, chemical processing, and offshore applications.
Grade 2 (Commercially Pure Titanium): Known for its excellent corrosion resistance, weldability, and ductility. Used in chemical processing, marine, and medical applications.
Grade 5 (Ti-6Al-4V): The most commonly used titanium alloy, known for its high strength, lightweight, and excellent corrosion resistance. Used in aerospace, medical, and high-performance engineering applications.

Specification Details
Material Grades Grade 2, Grade 5 (Ti-6Al-4V), Grade 7, Grade 12
Standards ASME B16.5, ASME B16.47, ASTM B381, DIN 2632, DIN 2633
Sizes 1/2" to 48" (Nominal Pipe Size)
Pressure Ratings 150#, 300#, 400#, 600#, 900#, 1500#
Types of Flanges Weld Neck, Slip-On, Blind, Socket Weld, Lap Joint, Threaded, Orifice, Long Weld Neck
Temperature Range -250°C to 400°C (can vary depending on specific grade and application)
Corrosion Resistance Excellent, particularly in seawater, acidic, and aggressive chemical environments
Applications Aerospace, Chemical Processing, Marine, Medical, Power Generation
Mechanical Properties Yield Strength: 40-130 ksi, Tensile Strength: 50-140 ksi
Chemical Composition Varies by grade; common elements include Titanium (90-99%), Aluminum, Vanadium, Palladium, Molybdenum
Manufacturing Process Forged, Extruded, Machined
Testing and Quality Control Hydrostatic Testing, Ultrasonic Testing, Radiography, Dimensional Inspection
Surface Finish Smooth, Polished, Pickled, as per customer requirement
Certification Mill Test Certificate (MTC) according to EN 10204 3.1/3.2


Nimonic Flanges

Nimonic flanges are crucial components in various high-temperature and high-stress applications, renowned for their exceptional heat and corrosion resistance. Nimonic alloys, which are nickel-based superalloys, exhibit remarkable mechanical properties even at elevated temperatures.
High Temperature Resistance: Nimonic flanges can withstand extreme temperatures, making them ideal for applications in aerospace, gas turbine engines, and industrial furnaces.
Excellent Mechanical Properties: These alloys retain their mechanical strength even at elevated temperatures, offering good creep and rupture resistance.

Nimonic 75: Offers good mechanical properties and corrosion resistance at high temperatures. Used in gas turbine engines and industrial heating applications.
Nimonic 80A: Provides excellent creep and oxidation resistance at temperatures up to 815°C. Widely used in gas turbine components and high-temperature applications.
Nimonic 90: Known for its high strength and creep resistance at temperatures up to 950°C. Commonly used in aircraft parts and industrial furnace components.

Specification Details
Material Grades Nimonic 75, Nimonic 80A, Nimonic 90
Standards ASTM B637, AMS 5666, BS HR 403, DIN 17752
Sizes 1/2" to 48" (Nominal Pipe Size)
Pressure Ratings 150#, 300#, 400#, 600#, 900#, 1500#
Types of Flanges Weld Neck, Slip-On, Blind, Socket Weld, Lap Joint, Threaded, Orifice, Long Weld Neck
Temperature Range Up to 950°C (varies depending on alloy and application)
Corrosion Resistance Excellent resistance to oxidation and corrosion in high-temperature environments
Applications Aerospace, Power Generation, Industrial Furnaces, Oil and Gas
Mechanical Properties Yield Strength: 300-600 MPa, Tensile Strength: 700-1000 MPa
Chemical Composition Varies by grade; common elements include Nickel (50-70%), Chromium (15-21%), Cobalt (10-20%), Titanium (1-2%)
Manufacturing Process Forged, Heat-treated, Machined
Testing and Quality Control Non-destructive Testing (NDT), Dimensional Inspection, Chemical Analysis, Mechanical Testing
Surface Finish Smooth, Pickled, Passivated, as per customer requirement
Certification Mill Test Certificate (MTC) according to EN 10204 3.1/3.2


Copper Flanges

Copper flanges play a vital role in various industrial applications due to the unique properties of copper, such as excellent thermal and electrical conductivity, corrosion resistance, and antimicrobial properties. These flanges are commonly used in plumbing systems, HVAC (heating, ventilation, and air conditioning) systems, and electrical installations. Below is an overview of copper flanges, including their specifications, characteristics, and applications.

Copper Alloys: Copper alloys, such as brass (copper-zinc alloy) and bronze (copper-tin alloy), are often used in flange manufacturing to enhance specific properties like strength, corrosion resistance, and machinability.

Specification Details
Material Copper, Copper Alloys (Brass, Bronze)
Standards ASTM B16.5, ASTM B62, ASTM B584, ASME B16.24, ASME B16.5, DIN 86029
Sizes 1/2" to 48" (Nominal Pipe Size)
Pressure Ratings 150#, 300#, 400#, 600#, 900#, 1500#
Types of Flanges Weld Neck, Slip-On, Blind, Socket Weld, Threaded
Temperature Range Up to 250°C (varies depending on specific copper alloy)
Corrosion Resistance Excellent resistance to corrosion in atmospheric and aqueous environments
Applications Plumbing Systems, HVAC Systems, Electrical Installations, Industrial Equipment, Marine
Manufacturing Process Forged, Machined, Cast
Testing and Quality Control Visual Inspection, Dimensional Inspection, Chemical Analysis, Pressure Testing
Surface Finish Smooth, Polished, as per customer requirement
Certification Mill Test Certificate (MTC) according to EN 10204 3.1/3.2


Brass Flanges

Brass flanges are widely used in various industries due to the unique properties of brass, such as corrosion resistance, machinability, and aesthetic appeal. These flanges are commonly employed in plumbing systems, marine applications, and decorative fittings. Below is an overview of brass flanges, including their specifications, characteristics, and applications.
Corrosion Resistance: Brass exhibits excellent corrosion resistance, particularly in non-saline environments, making brass flanges suitable for plumbing and decorative applications.

Alpha Brass: Contains more than 63% copper and is often used for general-purpose applications due to its good strength and corrosion resistance.
Alpha-Beta Brass: Contains between 55% to 63% copper and exhibits improved machinability compared to alpha brass.

Specification Details
Material Brass (Alpha Brass, Alpha-Beta Brass)
Standards ASTM B16.5, ASTM B584, ASME B16.24, ASME B16.5, DIN 86029
Sizes 1/2" to 48" (Nominal Pipe Size)
Pressure Ratings 150#, 300#, 400#, 600#, 900#, 1500#
Types of Flanges Weld Neck, Slip-On, Blind, Socket Weld, Threaded
Temperature Range Up to 250°C (varies depending on specific brass alloy)
Corrosion Resistance Excellent resistance to corrosion in non-saline environments
Applications Plumbing Systems, Marine Applications, Decorative Fittings, Automotive, Instrumentation
Manufacturing Process Forged, Machined, Cast
Testing and Quality Control Visual Inspection, Dimensional Inspection, Chemical Analysis, Pressure Testing
Surface Finish Smooth, Polished, as per customer requirement
Certification Mill Test Certificate (MTC) according to EN 10204 3.1/3.2