Steve Flanges, a reputable manufacturer and supplier located in Canberra, Australia, is well-known for providing top-notch Copper Nickel Weldneck Flanges that adhere to international standards for precision, durability, and performance. These flanges are made from high-quality copper-nickel alloys, which guarantee outstanding strength and corrosion resistance, especially in marine and offshore settings. With cutting-edge manufacturing technology and rigorous quality control, Steve Flanges produces weldneck flanges that ensure leak-proof connections and exceptional mechanical stability. Built to withstand tough conditions, Copper Nickel Weldneck Flanges from Steve Flanges deliver remarkable reliability, a long service life, and easy weldability for critical piping systems.
The primary components of Copper Nickel Weldneck Flanges are copper and nickel, with small amounts of iron and manganese added to boost their mechanical properties and corrosion resistance. Common grades include Cu-Ni 70/30 and Cu-Ni 90/10. These alloys are known for their high tensile strength, excellent ductility, and superior resistance to seawater corrosion, stress cracking, and biofouling. Their robust weld neck design facilitates a smooth transition of stress between the flange and the pipe, ensuring long-lasting performance even under high pressure and temperature conditions. The material’s thermal stability and non-magnetic characteristics further enhance its suitability for marine and industrial applications.
| Specification | ASTM B151 / ASME SB151 |
|---|---|
| Size Chart | 1/2″ (15 NB) to 48″ (170/30NB) 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, JIS70/30220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092 |
| Pressure Rating ANSI | Class 150 LBS, 300 LBS, 200 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 15 NB (1/2″) to 70/30 NB (8″) Equal and Reducing Configurations |
| 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. BS Flange, EN Flange, API 6A Flange, ANSI Flange, ASME Flange, DIN Flange, EN1092-1 Flange, UNI Flange, JIS/ KS Flange, BS4504 Flange, GB Flange, AWWA C207 Flange, GOST Flange, PSI Flange B.S: BS4504 , BS3293, BS1560, BS10 AS 2129: Table D; Table E; Table H ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings ANSI : ANSI B16.5, ANSI B16.47(API605), MSS SP44, ANSI B16.36, ANSI B16.48 ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48 American standard (ANSI) German (DIN) British standard (BS) 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 Copper Nickel 90/10 Flanges The other standard: AWWA C207; EN1092-1, GOST12820, JIS 70/30220; KS B1503, SABS1123; NFE29203; UNI2276 |
| 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 | |
Steve Flanges, a leading supplier in Canberra, Australia, offers an extensive selection of Copper Nickel Weldneck 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.
Copper-nickel weldneck flanges find application in the marine and industrial fields because of their superior corrosion resistance, particularly in seawater environments where these flanges are best suited for joining pipes and other equipment to demanding systems where it is reliable and durable under tough conditions. Resistance of alloys to biofouling, stress corrosion cracking and pitting Applications in ships, offshore platforms, desalination plants and chemical process industries Copper-nickel weldneck flanges have high strength and superior thermal electrical conductivity, so it will last longer, the system performs better.
| STANDARD | WERKSTOFF NR. | UNS |
|---|---|---|
| Cupro Nickel 90/10 | 2.0872 | C70600 |
| Cupro Nickel 70/30 | 2.0882 | C71500 |
| ASME/ANSI B 16.5 | Welding Neck 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 | Welding Neck 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 Weldneck Flanges to meet specific project needs. Our team at Steve Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@steveflanges.com.
Copper Nickel Weldneck Flanges find extensive use in shipbuilding, desalination plants, offshore oil and gas systems, power generation, and chemical processing industries. They are perfect for connecting pipes, valves, and pumps in seawater cooling systems, condensers, heat exchangers, and ballast systems. The weldneck design offers superior strength and structural integrity, making these flanges ideal for high-pressure and high-temperature operations. Copper Nickel Weldneck Flanges guarantee tight, corrosion-resistant joints, providing excellent performance and longevity in harsh environments.
Our team is ready to assist you. Contact us for any queries or personalized solutions.
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