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Alloy Steel Flanges

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Alloy Steel Flanges is manufactured for use in pipeline systems for connecting pipes, valves, pumps, and tubes. Flanges are a special type of pipe fittings manufactured in ring shape by forging or casting of alloy steel. Flange refers to the protruded or projected edges of the ring which connect with each other on the flanged side. These are used for establishing a strong connection between pipes and a strategic break in the pipeline.

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50000.00 - 100000.00 INR (Approx.)

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300 INR (Approx.)

MOQ - Any Order Kilograms/Kilograms


What are alloy steel flanges?

Most alloy steel flanges contain a chromium, molybdenum, and nickel alloy along with additional materials. The oxidation and corrosion resistance of these flanges is superb. They find widespread application in a variety of infrastructures including water distribution networks, oil and gas pipelines, chemical processing facilities, food manufacturing networks, and more. High quality alloyed materials are used to construct the High Alloy Steel Slip on Flange. These flanges have a hardenability of at least 62 Rockwell C thanks to a minimum of 12% chromium content. 

As a result of careful engineering, Low Alloy Steel Weld Neck Flange has exceptional mechanical strength. The projecting hub of these flanges offers structural support for pipelines under extreme pressure. It is common practice to utilize 4130 Chromoly Threaded Flanges as a pair in pipe networks. The ASME SA 182 AS Pipe Flange, along with the rest of the offerings, is manufactured by skilled employees using cutting-edge machinery and premium components. The chromium and molybdenum content of chrome moly flanges is increased. Alloy Steel Threaded Flanges, also known as pipe flanges, are in high demand because of the variety of industrial uses to which they can be put.

These flanges are particularly well suited for use with pipes due to the chromium addition that improves the material's hardenability and corrosion resistance. In addition to its common name, "screwed flange" describes a flange that contains an internal thread designed to mate with a male thread on a pipe.

Types of Alloy Steel Flanges

Alloy Steel Flanges are manufactured in many different types, such as:

  • Slip-on raised face flanges
  • Forged weld neck flange
  • Alloy steel blind flanges
  • Lap joint loose flange
  • Raised face welding neck flange
  • Advantages of Alloy Steel Flanges
  • Alloy steel flanges are known for some remarkable advantages, as follows:
  • Low thermal expansion
  • Magnetic permeability
  • Increased hardness
  • Outstanding resistance to corrosion
  • Excellent strength and hardness
  • Good load bearing capacity


What is alloy steel?

Alloy steel is made by mixing steel with other metals or alloying elements. The main alloying elements are chromium, nickel, molybdenum, vanadium, boron and manganese. Other less common alloying elements are cobalt, aluminium, copper, cerium, tungsten, zinc, lead, and zirconium. The alloying of these metals in steel is dependent on the type of application needs. For instance, chromium is added for enhanced resistance to corrosion and rusting. The element is added in different proportions for ensuring required level of resistance to corrosion and rusting.

Connecting Pipes, Valves, and Pumps with Flanges

Connecting pipes with flanges is done to ensure sturdy joint. There are two types of connections established by flanges: socket welded and threaded. In socket welded connection, the pipes are inserted into the sockets and joined end to end with each other. Then the pipes are welded with the flanges. In threaded flanges, the pipes and tubes are screwed with the female end of flanges. In both these connection types, rubber gaskets are used between the flanges to ensure a leak-free connection. Flanges create a break in the pipe. The break is good in case of cleaning and repairing of the sections of pipe attached to the flanges.

What are ASTM A182 F91 flanges used for?

High-pressure and high-temperature (over 700 C° or 800 C°) applications are ideal for the AS A182 F91 RTJ Flanges. High-pressure, high-temperature, and low-temperature applications are common places to find WNRF Alloy Steel F91 Flanges being put to use. When the media or fluid being transported by the piping system must flow freely, these A182 F91 Flanges are used. WNRF ASTM A182 Grade F91 Flange bore sizes are compatible with pipe bore sizes.

Thus, the gasket enters the groove and completely seals the gap when the ring type joint is tightened. These flanges are utilized in joints that need to be completely watertight under the most rigorous conditions and across a wide temperature range. Alloy steel A182 F91 blind flanges are not used to join together pipes because of their lack of a flanged end. 

They only join at the last possible point in a single pipe. Despite the high temperature, they will not lose their ability to seal the aperture due to their low thermal expansion values and excellent reliability. A182 F91 Steel Slip On Flanges are useful for applications where there is a possibility of bending stress between two pipes and the pipes must be held in place within the bore of the flanges.

ASME B16.47, B16.5, and other standards are also included in the specification. You may have A182 F91 Alloy Steel flanges in diameters from 1/2 inch to 36 inches. Class pressures range from 150 to 2500 kilopascals (kPa), while pressure numbers go from 6 to 64 kilopascals (kPa). 

Different types of flange faces, including ring type joints, flat faces, and raised faces, are available for the A182 F91. Flanges serve a wide variety of purposes. There are two types of flanges in the F91 grade. It is more customary to employ Class 1 flanges while working with A182 F91, hence Class 2 flanges are rarely required.

Different applications call for different kinds of flanges, such as slip on flanges, welded neck flanges, socket weld flanges, and blind flanges. Flanges manufactured to ASTM A182 Grade F91 are commonly used in pipelines transporting chemicals, petrochemicals, petroleum, natural gas, and other types of oil and gas.

Alloy Steel Flanges v/s Carbon Steel Flanges

Alloy Steel Flanges


Through the process of alloying, steel's mechanical qualities are enhanced. Future applications benefit from the utilization of a wider array of components. Although all steels contain alloying elements, not all steels are commonly referred to as alloy steels.

Steel that has had elements other than chromium, boron, molybdenum, vanadium, silicon, nickel, manganese,  and others added to it on purpose is typically referred to as "alloy steel."

Metals including copper, cobalt, aluminum, zinc, cerium, titanium, lead, tungsten, niobium, tin, and zirconium are among the rarer alloying elements. Hardness, hot hardness, toughness, hardenability,  wear resistance, corrosion resistance, and strength are only some of the attributes of Alloy Steel Flanges that have been enhanced.


Flanges made of alloy steels can be used for many different purposes. Considering its low price, low alloy steel can be used in many different contexts. It can be used in vehicles used by the pressure vessels, military, construction machinery, pipelines, ships, and oil rigs.

Since high alloy steels are so versatile, they are used for everything from building components to automobiles to chemical processing equipment.


Here are the top benefits of alloy steel flanges:

  • 1. Lightweight
  • 2. Efficient at high temperature
  • 3. Corrosion Resistant
  • 4. Durable
  • 5. Tough
  • 6. High tensile strength
  • 7. Powerful components
  • 8. Heat dissipation properties

Carbon Steel Flanges


Steel with a higher carbon content than ordinary iron is known as carbon steel. Low or mild carbon steel has carbon components below 0.30 percent, medium carbon steel has carbon components between 0.30 percent and 0.6 percent, and high carbon steel has carbon components beyond 0.6 percent.

To make tools and blades, high-carbon steel is typically used. Although high-carbon steel has more strength, ductility, and durability than low-carbon steel, the latter is more commonly used due to its lower production cost.


Flanges made of carbon steel are widely favored for applications that call for extreme durability. Carbon steel pipes exist in a broad variety of forms, each of which can be used in a different set of manufacturing processes. Automobile parts, pipelines, building materials, bridge parts, metal cans, and other containers are just some of the many uses for low-carbon steel.

Equipment components, gears, wheels, rails, and crankshafts all benefit from the increased strength and toughness provided by medium carbon steel. Punches, shear blades, anvil faces, rock drills, hand tools, cold setts, cutting tools, cold chisels, hammers, springs wrenches, band saws,  car bumpers, small forgings, cable wire, high strength wires, and huge dies for cold presses are just few of the many uses for high carbon steel.


  • 1. Safe to use
  • 2. Environment Friendly 
  • 3. Good Strength
  • 4. Durable
  • 5 Good Ductility
  • 6. Healthy and Good lifespan for cookware
  • 7. Cost effective

Future of Alloy Steel Flanges Manufacturers In India

Market Analysis 

As a result of the COVID-19 epidemic, it is expected that the global market for Alloy Steel Flanges will grow from its projected value of $M in 2022 to a revised value of $M by 2028, representing an impressive CAGR over the forecast period of 2022-2028. 

In 2021, Blind Flange accounted for of the worldwide market for Alloy Steel Flanges; by 2028, with a revised percent CAGR from 2022 to 2028, the market is expected to be worth USD million. Meanwhile, the segment of the petrochemical industry is revised to a CAGR of % for the same time frame. The Alloy Steel Flanges market in North America is expected to be worth a total of USD million by 2021, while the European market is expected to be worth USD million by 2028. 

In 2021, North America will account for % of the global market while Europe will account for %; however, it is forecasted that Europe's share will rise to % by 2028, with a compound annual growth rate (CAGR) of % from 2022 through 2028. The two largest economies in Asia, Japan and South Korea, are expected to grow at a compound annual rate (CAGR) of % and % over the next six years, respectively. To name just a few, Bebitz, Star Tubes, AFGlobal, Core Pipe, Dacapo Stainless, Sandvik, Arcus Nederland BV, Galperti Group, and Fittings, Texas Flange, etc. are among the world's most prominent producers of alloy steel flanges. In 2021, the top three companies in the world's Alloy Steel Flanges market will account for a combined % of the industry's total revenue.

Sections of the study break down data by geographical location (country), producer (maker), product (Type), and user (Application). Each classification details expected output from 2017 through 2028. Consumption projections for the years 2017 through 2028 are also provided, split out by application. Having a firm grasp of the many market subsets is crucial for establishing the relative value of the various drivers of market expansion.

Alloy steel flanges, along with other components, are mostly comprised of chromium, molybdenum, and nickel. In terms of corrosion and oxidation resistance, these flanges are top notch. They are commonly used in plumbing, oil and gas pipelines, chemical processing facilities, food processing facilities, and other infrastructure.

Among the categories of alloy steel and carbon steel, a wide variety of steels exists. Alloy steel, as the name suggests, is a subset of the steel family created by incorporating additional elements into the steel during the metallurgical and heat treatment processes. The addition of carbon makes steel into carbon steel. In most cases, it also doesn't need any certain percentage of any additional substances.

Best Quality Alloy Steel Flanges Available Online With Price

Alloy steel flanges can be purchased in various types and designs through different e-commerce websites. Buyers can connect with several alloy steel pipe flanges manufacturers in India. They can also connect with alloy steel a182 f1 flanges supplier and alloy steel a182 f1 flanges exporter for meeting their needs.

Before purchasing the range of alloy steel flanges, buyers are required to check the following details:

-Minimum Order Quantity
-Price List
-Quality Certifications
-Available Stock
-Delivery Time

Buy Alloy Steel Flanges Online

With the availability of online marketplaces, buying of Alloy Steel Flanges was never simple and easy as it is today. Buyers can check the technical specifications, designs, types and prices of different types to purchase the flanges in bulk quantity. 

Buyers can also buy from the following available sub-categories:

-Ibr Alloy Steel Flanges

Nickel Flanges
-Carbon And Alloy Steel Flanges
-Steel Flanges
-Industrial Brass Flanges
-Carbon Steel And Alloy Steel Flanges


Buyers can connect with various flanges manufacturers and suppliers available by contacting them through their contact details available online.

FAQs: Alloy Steel Flanges

Q. What is the difference between alloy steel and stainless steel?

Ans. Construction and industrial use typically call for the superior strength of alloy steel. A special kind of alloy steel, stainless steel has high chromium content. The alloy's unusual luster and resistance to corrosion are both thanks to the additional element.

Q. Why alloy steel flanges are in demand?

Ans. Alloy steel flanges are in demanded because of its excellent resistance to corrosion and rusting, durability and high quality standards.

Q. Where can I find alloy steel flanges manufacturers?

Ans. You can find alloy steel flanges manufacturers on various B2B portals or standalone e-commerce sites.

Q. What is the price of alloy steel flanges in India?

Ans. The price of alloy steel flanges depends on the quality grade of alloy steel, types and sizes. However, a typical flange in alloy steel is priced at Rs.400 per kg.

4. What is the advantage of alloy steel flanges?

Ans. Alloy steel flanges are highly resistant to corrosion and rusting which allows it to be highly functional in aqueous and non- aqueous environments.

Q. How leakage-free connection is established with flanges?

Ans. For creating a leakage-free connection, rubber gaskets are used. The gasket is put in between the flanges where it is sandwiched to ensure full proof sealing.