Cu-Ni 70/30 Weld Neck Flanges provide strong, high-pressure connections for offshore, naval, and industrial piping networks. Long Weld Neck Flanges ensure smooth flow and reduce turbulence in fluid systems. These flanges are compliant with ASTM B151 and B152 standards and offer excellent resistance against corrosion from saline water. They are ideal for steam turbine condensers, oil coolers, and auxiliary cooling systems at power plants.
Cu-Ni 70/30 Threaded and Screwed Flanges allow easy assembly and disassembly without welding. They are commonly used in piping systems requiring frequent maintenance or in areas where welding is not feasible. Made from UNS C71500 alloy, these flanges resist seawater corrosion and provide robust performance in chemical and marine industries. Available in custom sizes and designs as per client requirements.
Cu-Ni 70/30 RTJ and Orifice Flanges are ideal for high-pressure applications where leak-proof sealing is critical. Used in desalination plants, offshore oil & gas, and chemical industries, these flanges offer excellent resistance to seawater and brine corrosion. Manufactured to ASTM B61/B62 and DIN 2.0882 standards, they are available in customized sizes to fit specific project needs.
ASTM B61 Cupro Nickel 70/30 Flanges Fittings Specification
Grades : Cu-Ni 70/30 (C71500)
Standards: ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
Specifications: ASTM / ASME SB 61 / 62 / 151 / 152
Size: 1/8″ TO 48″ NB
Wall Thickness: From 2 to 40 mm.
Schedule: Sch. 5 TO Sch. XXS.
Type: Flat Face (FF), Raised Face (RF), Ring Type Joint (RTJ).
Form: Slip on (SORF), WNRF, Blind, Socket Weld, Orifice, WNRTJ, BLRTJ, Threaded, Groove & Tongue, Lap Joint, Square Flanges & As Per Clients Required
Our Cupro Nickel C71500 Flanges Fittings conforms to NACE MR0175/ISO 15156.
| Standard | WERKSTOFF NR. | UNS | MIL | SAE | JIS | BS | EN |
|---|---|---|---|---|---|---|---|
| Cu-Ni 70/30 | 2.0882 | C71500 | C-15726 | J461, J463 | - | CN-10-7 | CW-35-42H |
| Grade | Cu | Ni | Pb | Mn | Fe | Zn | P | S | N |
|---|---|---|---|---|---|---|---|---|---|
| Cu-Ni 70/30 | 65 Min. | 29.0 - 33.0 | 0.05 max | 1.0 max | 0.4 - 1.0 | 1.0 max | - | - | - |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2% offset) | Elongation |
|---|---|---|---|---|
| 0.323 lb/in³ at 68 °F | 2260 °F | 50,000 psi – 38 ksi | 20,000 psi – 15 ksi | 30 % |
Sunrise Industries is a prominent manufacturer, supplier, and exporter of a wide range of Incoloy 825 Fasteners (ASTM B160 / B164, ASME SB160 / SB164). Our product portfolio includes Incoloy 825 Bolts, UNS N08825 Fasteners, Screws, Nuts, Washers, Allen Cap Screws, Machine Screws, and Hexagon Nuts. We also offer DIN 2.4858 U Bolts, Spring Washers, Foundation Bolts, J Bolts, Anchors, Mushroom Head Square Neck Bolts, Hex Head Screws, Threaded Studs, and Hex Domed Cap Nuts.
As a trusted exporter, we supply Incoloy 825 Fasteners to industries in Saudi Arabia, Qatar, United States, Malaysia, UAE, and many other countries. Our products are known for high strength, durability, and excellent corrosion resistance, making them suitable for critical industrial applications.
At Sunrise Industries, we provide a comprehensive range of Incoloy 825 Fasteners in various dimensions and specifications, tailored to meet customer requirements. We are recognized as one of the leading manufacturers of Incoloy 825 Fasteners in India.
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As your one-stop manufacturing partner, Sunrise Industries maintains a complete inventory of ready-to-sell raw materials alongside custom parts fabrication and full engineering services. From prototyping to production, we provide everything at a single location—serving all industrial sectors and transforming manufacturing value chains.