Harsh Flanges stands out as a top-notch manufacturer and supplier of Copper Nickel Blind Flanges, proudly based in Mumbai, India. They’ve built a solid reputation for providing corrosion-resistant and high-strength flange solutions that cater to both marine and industrial needs. With a strong focus on quality, precision, and adherence to global standards, Harsh Flanges crafts Copper Nickel blind flanges that are perfect for sealing the ends of piping systems or allowing for future extensions. These flanges are designed to perform reliably in challenging environments like seawater, offshore settings, and chemical applications. Thanks to a talented workforce and cutting-edge infrastructure, Harsh Flanges is able to serve clients around the globe with timely deliveries and consistent product quality.
When it comes to Copper Nickel Blind Flanges, they’re typically made from Cu-Ni alloys such as 90/10 (90% copper, 10% nickel) or 70/30 (70% copper, 30% nickel). These flanges boast impressive mechanical strength, with tensile strength ranging from 275 to 500 MPa and yield strength around 105 to 250 MPa, depending on the specific alloy. They are known for their exceptional resistance to seawater corrosion, biofouling, and stress corrosion cracking, along with good thermal conductivity and weldability, making them ideal for both marine and industrial applications in tough conditions.
| Specification | ASTM B151 / ASME SB151 |
|---|---|
| Size Chart | 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000 |
| Standards | ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JIS90/10220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092 |
| Pressure Rating ANSI | Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS |
| Pressure Calculation in DIN | 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 |
| UNI | 6Bar 10Bar 16Bar 25Bar 40Bar |
| EN | 6Bar 10Bar 16Bar 25Bar 40Bar |
| Coating | Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized |
| Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| Production Technique | Forged, Heat treated and machined |
| Connect Type/ Flange Face Type | Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, Groove |
| Special design | As per your drawing AS, ANSI, BS, DIN and JIS |
| Test | Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector |
| Equipment | Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc |
| Manufacturer of | ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc. B.S: BS4504 , BS3293, BS1560, BS10 DIN: DIN 2527, DIN 2566, DIN 2573, DIN 2576, DIN 2641, DIN 2642, DIN 2655, DIN 2656, DIN 2627, DIN 2628, DIN 2629, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2636, DIN 2637, DIN 2638 ASTM B151 70/30 Copper Nickel Flanges |
| Grades | Copper Nickel 70/30, 90/10 |
| Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
Harsh Flanges, a leading supplier in Mumbai, India, offers an extensive selection of Copper Nickel Blind Flanges, including weld neck flanges, slip-on flanges, blind flanges, threaded flanges, and lap joint flanges. Designed for diverse industrial applications, our high-quality inventory and commitment to exceptional service make us a trusted choice for flange products in the region.
You’ll often find Copper Nickel Blind Flanges in shipbuilding, offshore platforms, desalination plants, and heat exchanger systems, where sealing pipe ends and corrosion resistance are absolutely essential. Their sturdy design allows them to effectively seal off pipe systems, enabling maintenance or future expansion without risking pressure integrity. These flanges are especially prized in seawater systems, firefighting pipelines, condensers, and marine HVAC systems due to their durability, resistance to saltwater corrosion, and long service life. Plus, their high thermal stability makes them a great fit for handling high-temperature fluids and gases.
| STANDARD | WERKSTOFF NR. | UNS |
|---|---|---|
| Cupro Nickel 90/10 | 2.0872 | C70600 |
| Cupro Nickel 70/30 | 2.0882 | C71500 |
| ASME/ANSI B 16.5 | Blind Flange |
| PRESSURE CLASS | 150, 300, 400, 600, 900, 1500, 2500 |
| ASME/ANSI B 16.47 | Blind Flange [Series A & B],Welding Neck Flange |
| PRESSURE CLASS | 75, 150, 300, 400, 600, 900 |
| ASME/ANSI B 16.36 | Blind Flange |
| PRESSURE CLASS | 300, 400, 600, 900, 1500, 2500 |
| PRESSURE CLASS | PN 2.5 TO PN 40 |
| BS 4504[PART 1] | Hubbed Slip-On |
| PRESSURE CLASS | PN 2.5 TO PN 400 |
| BS 1560 BOSS | Hubbed Slip-On Hubbed Threaded |
| PRESSURE CLASS | 150, 300, 400, 600, 900, 1500, 2500 |
| BS10 | Plate Slip-On Flange, Slip-On Boss Flange |
| TABLE | D, E, F, H |
| DIN FLANGES | DIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673 |
| PRESSURE CLASS | PN 6 TO PN 100 |
Yes, we offer custom sizes for Copper Nickel Blind Flanges to meet specific project needs. Our team at Harsh Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@harshflanges.co.in.
We are renowned for delivering products with precise, accurate dimensions. Each product undergoes thorough testing, both destructive and non-destructive, to ensure quality before being shipped to our customers.
Our team is ready to assist you. Contact us for any queries or personalized solutions.
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