Home > Copper Nickel > Copper Nickel 70/30 Pipes
Rithav Pipes and Tubes, a well-respected manufacturer and supplier located in Delhi, India, specializes in top-notch Copper Nickel 70/30 Pipes. These pipes are celebrated for their outstanding corrosion resistance, particularly in marine and seawater environments. Made up of 70% copper and 30% nickel, they boast impressive durability and are resistant to biofouling, making them perfect for applications like heat exchangers, condensers, and seawater piping systems. At Rithav, we offer Copper Nickel 70/30 pipes in both seamless and welded options, adhering to international standards such as ASTM B466/B467. Our products are trusted across various industries, including marine engineering, shipbuilding, desalination, and offshore oil and gas.
Copper Nickel 70/30 Pipes are crafted from an alloy that consists of 70% copper, 30% nickel, along with small amounts of iron (0.4–1.0%) and manganese (0.4–1.0%) to enhance strength and corrosion resistance. These pipes showcase a tensile strength ranging from 340 to 520 MPa and a yield strength of about 130 to 170 MPa, all while maintaining excellent ductility and toughness. They excel in high-pressure and high-temperature settings, particularly in saline conditions. The alloy’s natural resistance to stress corrosion cracking, pitting, and erosion-corrosion makes it a dependable choice for challenging marine and industrial applications.
Specifications : ASTM / ASME SB 111 / 151 / 466
Size : 1/2″ TO 6′ IN OD & NB IN Various SWG & SCH
Thickness : Between 0.15mm and 1.50 mm
Type : Seamless / ERW / Welded / Fabricated / LSAW Pipes
Length : Single Random, Double Random & Required Length
End : Plain End, Beveled End, Treaded
Outer Diameter : 4.00 to 22.00 mm
Grade | Cu | Mn | Pb | Fe | Zn | Ni |
Cupro Nickel 70/30 | 65.0 min | 1.0 max | .05 max | 0.4-1.0 | 1 max | 29 – 33 |
Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
Cu-Ni 70/30 | 0.323 lb/in3 at 68 F | 2260 F | 50000 psi | 20000 psi | 30 % |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Choosing Copper Nickel 70/30 Pipes from Rithav Pipes and Tubes ensures outstanding corrosion resistance, high strength, and durability. Our Pipe is designed for diverse industrial applications, delivering reliability and performance in challenging environments while maintaining competitive pricing.
Rithav Pipes and Tubes, one of the largest suppliers of Copper Nickel 70/30 Pipes in Delhi, India, offers a comprehensive range of high-quality pipes and tubes suitable for various industrial applications. Their extensive inventory and commitment to exceptional service make them a go-to choice for copper nickel products in the region.
STANDARD | WERKSTOFF NR. | UNS |
Cu-Ni 70/30 | 2.0882 | C71500 |
Yes, we offer custom sizes for Copper Nickel 70/30 Pipes to meet your specific requirements. Our team at Rithav Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@rithavpipesandtubes.co.in.
Dimension Tolerance | |||||
Material | Ultimate Tensile Strength1000 psi (MPa) | Yield Strength 0.5% Ext.under Load 1000 psi (MPa) | YElongation % in 2 in. | Fatigue Strength (10×7 cycles) 1000 psi (MPa) | Burst Pressure* 1000 psi (MPa) |
Copper-brazed Steel | 48-55 (0.330-0.380) | 28-34 (0.190-0.235) | 30-40 | 30 (0.210) | 19.5 (0.135) |
C12200-Phosphorus deoxidized Copper | 32-38 (0.220-0.265) | 10-14 (0.070-0.100) | 45-60 | 10 (0.070) | 12 ( 0.083) |
C70600-Copper Nickel 90-10 | 48-54 (0.330-0.370) | 16-22 (0.110-0.150) | 40-55 | 15 (0.100) | 19 (0.130) |
Copper Nickel 70/30 Pipes find extensive use in marine settings, such as seawater cooling systems, shipbuilding, desalination facilities, and offshore oil platforms, thanks to their ability to resist saltwater corrosion and biofouling. They are also utilized in heat exchangers, condensers, power plants, and naval vessels, where reliable performance under pressure and corrosive conditions is essential. These pipes are well-suited for firewater systems, ballast systems, and underwater piping. The combination of the 70/30 alloy’s high strength, corrosion resistance, good weldability, and long service life makes it a favored material in various applications.
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