Stainless Steel Flanges
Overview
At Bhansali Metalloys, we’ve been shaping stainless steel excellence since 1970. As a proud extension of Bhansali Metal Corporation, our legacy is built on trust, precision, and performance. Among our most vital offerings are stainless steel flanges, critical components that quietly uphold the integrity of industrial systems across the globe. Whether it’s a pipeline deep beneath the ocean, a structural joint in a high-rise, or a fuel system in a high-speed vehicle, flanges are the silent enablers of safety and efficiency. We don’t just manufacture them, we engineer confidence into every connection.
What Makes Stainless Steel Flanges Indispensable?
Flanges are mechanical connectors that join pipes, valves, pumps, and other equipment. They allow for easy assembly, disassembly, and maintenance, especially in systems that demand frequent inspection or upgrades. Stainless steel flanges, in particular, offer superior corrosion resistance, high tensile strength, and long-term durability. Unlike welded joints, flanges can be bolted together with gaskets to create leak-proof seals. This makes them ideal for high-pressure, high-temperature, and chemically aggressive environments. In short, they’re the backbone of modular, maintainable, and safe engineering.
Our Range of Stainless Steel Flanges
We offer a comprehensive portfolio of flange types, each designed for specific operational needs. Weld neck flanges are perfect for high-pressure systems, thanks to their tapered hub that reduces stress concentration. Slip-on flanges are easy to install and cost-effective, making them ideal for general-purpose piping. Blind flanges seal off pipe ends and are commonly used in testing or maintenance. Socket weld and threaded flanges cater to small-diameter, high-pressure applications. Lap joint flanges are preferred where frequent dismantling is required. We also supply orifice and spectacle flanges for flow measurement and isolation.
Material Grades That Match Performance Demands
Choosing the right stainless steel grade is crucial for long-term performance. We offer SS 304 and 304L for general-purpose use, SS 316 and 316L for enhanced corrosion resistance, and SS 321 for stability against intergranular corrosion. For more demanding environments, we provide Duplex 2205 and Super Duplex grades, which offer exceptional strength and resistance to pitting and stress corrosion. Each grade is selected based on the operating temperature, pressure, and chemical exposure of the application. Our team works closely with clients to ensure the perfect match between material and mission.
Construction Sector
In the construction industry, stainless steel flanges play a pivotal role in structural piping, HVAC systems, and fire suppression networks. Their ability to withstand vibration, pressure, and environmental stress makes them ideal for high-rise buildings, bridges, and tunnels. Modular assembly using flanges allows for faster installation and easier maintenance. We’ve supplied flanges for infrastructure projects across India, helping engineers meet tight deadlines without compromising safety. Our products are trusted for their dimensional accuracy, surface finish, and long-term reliability, even in the most demanding urban environments.
Automotive & Transportation
Automotive and transport systems demand components that perform flawlessly under dynamic conditions. Our stainless steel flanges are used in exhaust systems, fuel lines, hydraulic assemblies, and even electric vehicle cooling systems. They offer resistance to high temperatures, corrosive gases, and mechanical stress. In railway applications, flanges are critical in pneumatic and hydraulic control systems. We’ve partnered with OEMs and Tier-1 suppliers to develop custom flange solutions that reduce assembly time and enhance performance. Whether it’s a high-speed train or a next-gen EV, our flanges keep things moving safely and efficiently.
Oil & Gas Sector
Few industries test materials like oil and gas. From offshore platforms to refineries and LNG terminals, stainless steel flanges must endure extreme pressure, temperature, and chemical exposure. We supply weld neck and blind flanges in Super Duplex and SS 316L for maximum corrosion resistance. Our products are used in subsea pipelines, high-pressure steam systems, and cryogenic applications. We understand the critical nature of uptime in this sector, which is why our flanges are manufactured to the highest standards and delivered on time. When failure is not an option, our flanges deliver peace of mind.
Standards and Certifications We Uphold
Quality is non-negotiable. Our flanges conform to international standards including ASME B16.5, ASME B16.47, DIN, EN, and ISO. We provide mill test certificates, third-party inspection reports, and customized documentation to meet project requirements. Whether it’s a government tender or a private EPC contract, our products meet all compliance benchmarks. We also offer ultrasonic testing, PMI, and hydrostatic testing upon request. Our in-house quality control team ensures that every flange leaving our facility meets dimensional, mechanical, and metallurgical specifications. That’s how we’ve earned the trust of engineers worldwide.
Solving Real-World Challenges
Industrial systems face challenges like leakage, corrosion, and supply chain delays. We help solve these by offering precision-machined flanges with optimal gasket compatibility and surface finish. Our corrosion-resistant grades reduce maintenance frequency and extend system life. With robust inventory and agile production schedules, we ensure timely delivery, even for custom orders. We also provide technical support for torque settings, alignment, and installation practices. Our goal is not just to supply flanges, but to eliminate downtime, reduce risk, and improve operational efficiency for our clients.
Sustainability
Stainless steel is 100% recyclable, making it a sustainable choice for long-term engineering. Our flanges contribute to eco-friendly design by reducing the need for frequent replacements and minimizing resource consumption. We follow environmentally responsible manufacturing practices, including energy-efficient processes and waste reduction. By choosing stainless steel flanges from Bhansali Metalloys, clients invest in durability and sustainability. We believe that industrial progress and environmental stewardship can go hand in hand, and our products reflect that philosophy in every application.
Why SS 304 Flanges Are a Smart Investment
In construction and infrastructure projects, SS 304 flanges are often the go-to choice due to their corrosion resistance, strength, and aesthetic appeal. These flanges perform reliably in water supply systems, HVAC networks, and structural piping exposed to moisture and environmental stress. Their polished finish also complements modern architectural designs, making them suitable for visible installations. What’s more, SS 304 flanges require minimal maintenance, reducing long-term costs and downtime. Their recyclability aligns with green building standards, supporting sustainable development goals. For a deeper dive into their benefits, explore this detailed guide on stainless steel 304 flanges in construction.
Stainless Steel That Drives Performance
In the automotive and transport sectors, stainless steel flanges are used in exhaust systems, fuel tanks, and structural components. Their high strength-to-weight ratio improves fuel efficiency without compromising safety. Grades like SS 304 and Duplex are especially valued for their ability to withstand high temperatures and corrosive exhaust gases. Stainless steel also enhances crash resistance and supports complex designs through hydroforming and modular assembly. From EV battery cooling systems to disc brakes and hose clamps, flanges play a critical role in vehicle reliability and lifecycle cost reduction. To see how stainless steel is transforming automotive engineering, visit Jindal Stainless’ overview of stainless steel in automotive applications.
Flanges That Withstand the Extremes
In oil and gas operations, stainless steel flanges are essential for maintaining leak-proof connections in pipelines, refineries, and LNG plants. Weld neck and blind flanges in Super Duplex grades resist sulfide stress cracking, chloride corrosion, and high-pressure steam. Their performance under thermal cycling and aggressive chemicals makes them ideal for offshore rigs and critical flow systems. We supply flanges that meet ASME and DIN standards, ensuring compliance and safety in high-stakes environments. For more on how stainless steel flanges support oil and gas infrastructure, check out Arham Alloys’ top applications of stainless steel pipe flanges.
Flanges That Fit Every Blueprint
One of the key advantages of stainless steel flanges is their adaptability to diverse design requirements. Whether the project involves compact piping layouts, high-pressure zones, or modular systems, flanges offer unmatched flexibility. We routinely customize flange dimensions, drilling patterns, and facing types to match client specifications. This ensures seamless integration with valves, pumps, and pipe spools. Our CNC machining capabilities allow for precise tolerances and repeatable quality, even in complex geometries. For engineers and designers, this means fewer compromises and more control over system architecture.
Thermal Performance
In industries where temperature extremes are the norm, stainless steel flanges offer reliable thermal performance. Grades like SS 316 and Super Duplex maintain structural integrity even under rapid thermal cycling. This is especially critical in steam systems, exhaust assemblies, and cryogenic lines. We ensure that our flanges are manufactured with uniform grain structure and stress-relieved surfaces to minimize warping and fatigue. By resisting thermal expansion and contraction, our flanges help maintain seal integrity and prevent costly leaks. It’s performance that holds up under pressure, and under heat.
Surface Finish and Machining Excellence
The performance of a flange isn’t just about the alloy, it’s also about the finish. At Bhansali Metalloys, we pay close attention to surface roughness, flatness, and concentricity. Our flanges undergo precision machining and quality checks to ensure optimal gasket seating and bolt alignment. This reduces the risk of leaks and improves installation efficiency. We offer finishes ranging from mirror polish to serrated and raised face, depending on the application. Whether it’s a sanitary system or a high-pressure pipeline, our surface finish enhances both function and longevity.
FAQs
Q.1: Q: Do we offer custom flange sizes?
Ans. Yes, we machine flanges to match specific drawings and project requirements.
Q.2: What grades of stainless steel do we supply?
Ans. We offer SS 304, 316, 321, Duplex 2205, and Super Duplex, among others.
Q.3: Q: Do we export globally?
Ans. Yes, we ship to clients across Asia, Europe, the Middle East, and beyond.
Q.4: Can we provide test certificates?
Ans. Every flange comes with mill test certificates and optional inspection reports.
Conclusion
At Bhansali Metalloys, stainless steel flanges are more than just components, they’re the result of decades of precision, partnership, and performance. From towering infrastructure to high-speed transport and energy-critical pipelines, our flanges empower systems that shape the modern world. We understand the pressures our clients face, tight timelines, unforgiving environments, and zero tolerance for failure. That’s why we engineer every flange to deliver reliability, adaptability, and long-term value.
Call us at 022-67436541 | Visit us at bhansalimetalloys.com
