Stainless Steel Flanges Manufacturer
Midland Alloys Inc. is a trusted stainless steel flanges manufacturer in Mumbai, known for delivering precision-engineered solutions for critical piping systems. Stainless steel flanges are round rings or discs that are used to join pumps, valves, pipelines and other equipment. They are strong, structurally integrity, and simple to assemble or disassemble. We manufacture a wide range of flange types, including SA 182 F304 flanges, SS Slip On Flanges, Threaded Flanges, SS Plate Flanges, and Stainless Steel Blind Flanges, catering to various pressure and temperature classes. In harsh conditions, alloying elements like molybdenum (Mo), nickel (Ni), and chromium (Cr) improve their performance. We strictly adhere to global standards such as ASTM A182, ASME B16.5, and ANSI B16.47, ensuring reliability and durability across all stainless steel flange types.
Key Benefits of Stainless Steel Flanges
For industrial piping systems, stainless steel flanges guarantee long-term dependability, system integrity, and lifecycle cost effectiveness.
- Superior Corrosion Resistance: With a high chromium content SS flanges resist oxidation and chemical attack even in harsh environments.
- High Durability & Strength: The flange maintains structural integrity under high pressure and elevated temperature.
- Leak-Proof Connections: The chances of fluid leakage are reduced, by precisely machined surfaces and safe fastening solutions.
- Easy Installation & Maintenance: SS flanges are simple to align and disassemble for cleaning, inspection, or replacement.
- Long-Term Cost-Effectiveness: Their durability and minimal maintenance requirements lower total operating expenses.
Difference Between Stainless Steel Flanges and Duplex Steel Flanges
Midland Alloys Inc. supplies Stainless Steel Flanges such as SS 304 Flanges and SS 316 Flanges, which are single-phase austenitic alloys known for excellent corrosion resistance and workability. In contrast, Duplex Steel Flanges like UNS S31803 Flanges and UNS S32205 Flanges contain a mixed microstructure of austenite and ferrite, offering higher strength and improved resistance to chloride stress corrosion cracking. Duplex Flanges perform better in mechanical strength and are widely used in harsh chloride-rich or offshore environments, whereas Stainless Steel Flanges provide superior formability and weldability. Both SS Flanges and Duplex Flanges conform to ASTM A182 standards, but differ in application suitability based on corrosion resistance and mechanical requirements.
Stainless Steel Flanges Specification
1/2" (15 NB) to 48" (1200NB)
ASTM A182 / A240 & ASME SA182 / SA240
ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Threaded / Screwed / Forged / Plate
150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Forging, Rolling, Casting
FNPT, NPT, BSPT, MNPT, BSPP
Stainless Steel Flanges Grades We Offer
Plate
Shear
Press
Inspection
Lathe
Drilling
Cleaning
Flange
Inspection
Analytic
Marking
Packing & Shipping
Applications of Stainless Steel Flanges
In many different sectors, stainless steel flanges are essential components of fluid and gas transfer systems. They link pipelines that carry natural gas, crude oil and processed products under high pressure in the oil and gas sector. In corrosive environments, where chemical resistance is essential chemical processing plants use stainless steel flange. They are crucial to feedwater, cooling and steam systems in power generation. Water treatment facilities use them for secure pipeline joints in desalination and purification processes. The food and beverage industry employs hygienic-grade flanges for sanitary processing, ensuring contamination-free operations in dairy, brewery, and packaged food production.
Why Choose Midland Alloys Inc. for Stainless Steel Flanges
Midland Alloys Inc. is known for precision engineering Stainless Steel Flanges, that meet ASTM A182 and ASME B16.5 compliance, and are ISO-certified. To meet a range of project requirements, we provide customization choices such as unique dimensions, coatings and pressure ratings. Every product is tested internally and upon request, we offer third-party examination and Mill Test Certificates. With a strong export network across the Gulf, Europe, Africa, and Southeast Asia.We ensure timely delivery and expert handling of both small and bulk orders, ensuring quality, trust, and long-term partnerships.
FAQ
The standard size chart for stainless steel flanges contains measurements such as outer diameter, bolt circle diameter, thickness and number of bolt holes.
Because of their stable composition and resistance to intergranular corrosion grades such as SS 321 and SS 347, are perfect for high-temperature applications.
Yes, Midland Alloys Inc. offers custom finishes such as mirror polish, pickled & passivated, machined surfaces, and electropolished flanges, depending on application requirements
Stainless steel flanges are available in pressure classes ranging from 150 to 2500 as per ASME/ANSI B16.5. Common ratings include Class 150, 300, 600, and 900 for industrial use
