Home > Copper Nickel > Copper Nickel 70/30 Pipes
Faizan Flanges is a dependable manufacturer and supplier of high-quality piping products in Doha, Qatar, supporting marine, industrial, and offshore sectors across the region. We understand that harsh environments demand materials that can truly last. Copper Nickel 70/30 Pipes are one of our most reliable solutions, known for their excellent resistance to seawater corrosion and long service life. Carefully manufactured to meet international standards, these pipes offer consistent performance, helping our customers build systems that remain efficient, safe, and durable even in the toughest operating conditions.
Copper Nickel 70/30 Pipes are composed of approximately 70% copper and 30% nickel, with small additions of iron and manganese for added strength and corrosion resistance. This composition provides excellent resistance to seawater, biofouling, and erosion corrosion. Mechanically, the alloy offers good tensile strength, toughness, and ductility, even at varying temperatures. It also maintains stability under pressure, making it suitable for demanding applications where reliability, durability, and resistance to harsh marine environments are essential.
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 Samia 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.
Samia Pipes and Tubes, one of the largest suppliers of Copper Nickel 70/30 Pipes in Tunis, Tunisia, 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 Samia Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@samiapipes.com.
| 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 are widely used in marine and offshore applications due to their superior performance in seawater conditions. Common uses include shipbuilding, seawater cooling systems, desalination plants, offshore platforms, and heat exchangers. They are also used in oil and gas processing, power plants, and coastal infrastructure. Their natural resistance to corrosion and marine growth helps reduce maintenance costs and downtime, making them a trusted choice for long-term, efficient, and safe fluid transport systems.
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