Plate Flanges Manufacturer in India

Introduction
At SK Steel Corporation, we understand the significance of Stainless Steel Pipe fittings components in various industries, from oil and gas to petrochemicals, and from power generation to water treatment. Therefore, we strive to deliver Stainless Steel Pipe fittings components that not only meet but exceed your expectations. Our state-of-the-art manufacturing facilities and a team of skilled professionals ensure that every Stainless Steel Pipe fittings component that leaves our premises is of the highest quality and adheres to international standards. We are the best Plate Flanges Supplier.
One element—the flange—plays a vital but frequently overlooked function in the complicated world of pipe systems, where gases and fluids are delivered over great distances and within elaborate industrial setups. In particular, plate flanges are essential components that make it easier to connect pumps, valves, pipes, and other equipment. They offer a dependable and manageable way to connect different parts of a pipe system.This essay examines the importance of plate flanges, the booming Indian manufacturing sector, and the reasons that selecting a reliable manufacturer like SK Steel Corporation can revolutionize your projects.
What are Plate Flanges
Fundamentally, flanges are round or occasionally rectangular pieces of metal that may be fastened together with bolts thanks to pre-drilled holes. As the name implies, plate flanges are made of plate material. Usually, they are ring-shaped, flat discs with a bore machined to the internal diameter of the pipe. Bolts and gaskets can be used to secure the connection since the holes around the circumference are exactly positioned to fit a corresponding flange. We are the best Plate Flanges Manufacturer in Mumbai.
Why Choose SK Steel Corporation
- Unwavering Quality: At the core of all we do is quality. At every level of the manufacturing process, we use high-quality raw materials and strict quality control procedures. We guarantee exceptional performance and durability by manufacturing our flanges in accordance with international standards including ASME, ASTM, DIN, and JIS.
- Broad Product Selection: We provide a wide selection of plate flanges, such as threaded flanges, socket weld flanges, blind flanges, slip-on flanges, weld neck flanges, and lap joint flanges. In order to fulfill the demands of your particular project, we may also create custom flanges.
- Broad Material Selection: We offer flanges appropriate for a range of settings and applications by working with a number of materials, such as carbon steel, stainless steel (304, 316, 321), alloy steel (F11, F22, F91), duplex and super duplex stainless steel, and nickel alloys.
- Contemporary Manufacturing Plant: With the help of cutting-edge equipment and technology, our production plant can create flanges with exceptional efficiency and precision. Our knowledgeable staff is committed to upholding the highest production standards.
- Competitive Pricing: We recognize the value of being economical. Our simplified supply chain and effective manufacturing procedures enable us to provide premium flanges at affordable costs.
- On-time Delivery: We promise to deliver your orders on time so you may continue working on your projects on time. No matter where you are, our effective supply chain management and logistics guarantee on-time delivery.
- Expertise in Customization: We are excellent at offering specialized flange solutions. Whether you have special requirements for non-standard sizes, materials, or designs, our skilled engineers can collaborate with you to develop and produce flanges that satisfy them.
- Superb Customer Service: At SK Steel Corporation, we put the needs of our clients first. Our committed sales and support staff is available at all times to answer your questions, offer technical help, and guarantee a quick and easy purchase procedure. We are committed to establishing enduring bonds of trust and dependability with our clientele.
- Global Presence: Despite having our headquarters in India, we export our flanges to many nations across the world. We are a favored supplier for international projects because of our dedication to quality and service.

Types of Plate Flanges
Although the fundamental idea is the same, there are several varieties of plate flanges, each intended for a particular use and pressure rating. Typical varieties include:
- Slip-On Flanges: These flanges are welded on the inside and outside after being slipped over the pipe. They work well in low-pressure applications and are comparatively simple to install.
- Weld Neck Flanges: These flanges are welded to the pipe and include a long, tapered hub. This design is appropriate for high-pressure and high-temperature applications and offers excellent stress distribution.
- Solid flanges known as “blind flanges” are used to seal off a vessel opening or the terminus of a pipe system.
- Threaded Flanges: These flanges may be screwed onto pipes because of their threaded bore. In low-pressure applications where welding is impractical, they are helpful.
- Pipes are intended to be placed into sockets and then welded using socket weld flanges. They are utilized in high-pressure, smaller-diameter systems and provide good strength.
- Lap joint flanges, also known as loose flanges, are utilized with the stub ends of lap joints. Because the flange is not welded to the pipe, it can be turned to make bolt hole alignment simpler.
- Flanges with socket welds: These flanges feature a socket, which is a recessed area, into which the pipe is put before being welded. They are appropriate for high-pressure, small-diameter applications and have good strength.
Plate Flange Specifications
Specification | Details |
---|---|
Material | Carbon Steel, Stainless Steel, Alloy Steel |
Size Range | 1/2″ to 48″ |
Thickness | 5mm to 60mm |
Pressure Rating | PN6, PN10, PN16, PN25, PN40 |
Standards | ASME, ANSI, DIN, BS, JIS |
Coating | Black Paint, Anti-Rust Oil, Galvanized |
Applications | Oil & Gas, Petrochemical, Power Plants, Construction, Marine |
Applications of Plate Flanges
- Oil and Gas: The oil and gas sector mostly depends on strong, leak-proof piping systems, from refineries to offshore platforms. To handle high pressures and corrosive materials, plate flanges are widely utilized in pipelines, processing facilities, and storage facilities. Because of its strength and dependability, weld neck flanges are very common in this industry.
- Chemical Processing: A variety of caustic and frequently dangerous substances are handled by chemical factories. For joining pipes and equipment safely and without leaking, plate flanges composed of specialty materials like alloy steel or stainless steel are essential.
- Power Generation: Power plants need sophisticated piping systems for steam, water, and other fluids, regardless of whether they run on nuclear energy, fossil fuels, or renewable resources. Boiler systems and cooling water circuits are only two of the many uses for plate flanges.
- Water and Wastewater Treatment: To connect pipes that carry water and chemicals used in the treatment process, plate flanges are crucial in water treatment facilities. Additionally, they connect pipes that transport purified water and sewage in wastewater treatment facilities.
- Pharmaceuticals: High standards of purity and hygiene are required by the pharmaceutical sector. In order to ensure a contamination-free environment, stainless steel plate flanges are frequently utilized in piping systems that convey ingredients and completed goods.
- Food and Beverage: The food and beverage industry needs sanitary pipe systems, much like the pharmaceutical industry does. In order to maintain sanitary standards, pipelines carrying ingredients and completed goods are connected with stainless steel flanges.
- Marine and Shipbuilding: Pipelines are used by ships and offshore structures to carry fuel, water, and other fluids, among other things. In these harsh settings, plate flanges composed of materials resistant to corrosion are crucial.
The Manufacturing Process of Plate Flanges
- Selecting the appropriate material is the first stage, which is determined by the application’s specifications, including temperature, pressure, and the kind of fluid being transported. Alloy steel, stainless steel, and carbon steel are typical materials.
- Cutting: Using techniques like plasma cutting, laser cutting, or machining, the chosen steel plate is cut into the necessary circular shape. To guarantee that the flange satisfies dimensions requirements, accuracy in this stage is essential.
- Boring: To match the pipe size, the flange’s center hole, or bore, is machined to the precise inner diameter needed.
- Facing: To ensure a good seal, the flange’s facing surface—which will make contact with the gasket—is machined to be flat and smooth. Depending on the application and type of gasket, there are many facing types, including ring joint face (RTJ), flat face (FF), and raised face (RF).
- Drilling: In accordance with industry standards or client specifications, precise bolt holes are drilled around the flange’s circle. For correct bolting and sealing, the quantity and dimensions of these holes are essential.
- Marking: Important details including size, material grade, pressure rating, and manufacturer identity are printed on the flange.
- Quality Control: Strict quality tests are carried out during the manufacturing process to guarantee that the flanges satisfy industry standards, material specifications, and dimensional accuracy. Visual inspections, dimensional measurements, and non-destructive testing (NDT) techniques like magnetic particle inspection or ultrasonic testing may all be used in this process.

Conclusion
Selecting the appropriate manufacturer is crucial when obtaining plate flanges in India. You need a partner you can rely on to supply dependable, high-quality items that satisfy your unique needs. For you, SK Steel Corporation is dedicated to being that partner. We are the best MS Flanges Manufacturer in Mumbai.
We are certain that we can meet and beyond your expectations thanks to our experience, attention to quality, variety of products, and focus on customer happiness.Get in touch with us right now to talk about your plate flange needs and discover the benefits of working with SK Steel Corporation. Our goal is to give you the ideal fit for your projects while guaranteeing durability, strength, and safety.