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Based in Muscat, OMAN, Aisha Nickel Alloys is a leading manufacturer and supplier of top-quality nickel alloys, copper and nickel products We specialize in Copper Nickel 70/30 pipe, which is known for its outstanding corrosion resistance, durability and strength, making them what good for demanding marine and industrial applications Our products are carefully manufactured to exacting industry standards, providing long-term performance in harsh environments. With a focus on quality, accuracy and customer satisfaction, Aisha Nickel Alloys has earned a reputation as a trusted partner for businesses seeking reliable material solutions in the region.
Copper Nickel 70/30 Pipes are top-notch alloy pipes celebrated for their remarkable resistance to seawater corrosion, erosion, and biofouling. Made from a blend of about 70% copper and 30% nickel, these pipes are a go-to choice in tough marine and industrial settings. They boast impressive durability, smooth internal surfaces, and a long lifespan, even when dealing with high flow rates. Plus, Copper Nickel 70/30 Pipes offer great thermal conductivity and weldability, making them perfect for critical fluid handling and heat transfer systems.
| ASTM Specification | ASTM B466/ ASME SB466, ASTM B467/ ASME SB467, ASTM B608 |
|---|---|
| Standard | GB, DTD, ASME, AISI, ASTM, TOCT, JIS, NF, SAE, DIN, AMS, DS, EN |
| Size of Seamless Pipe | Wall thickness.: 0.05- 20 milimeter, 4 – 219 milimeter |
| Size of Welded Pipe | 5.0 to 1219.02 milimeter |
| size of EFW Pipe | 5.0 to 1219.02 milimeter |
| Seamless Tube Size | 3.35 milimeter To 101.6 milimeter OD |
| Welded Tube Size | 6.35 milimeter To 152 milimeter OD |
| Bwg & Swg | 18 Swg., 14 20 Swg., Swg. Swg., 12 16 Swg., 10 Swg. |
| Tubing wall thickness | 0.020″ –0.220″, (custom wall thicknesses available) |
| Pipe Schedule | SCH20, XS, STD, XXS, SCH60, SCH140, SCH80, SCH80, SCH5, SCH40S, SCH40, SCH120, SCH10S, SCH10, SCH30, SCH160 |
| Length | Standard & Cut length , Single Random, Double Random Pipe |
| Finish | AP (Annealed & Pickled), BA (Bright & Annealed), NO.1, 2B, Polished, MF, HL, NO.4, Mirror finish, BA, 8K etc |
| End | Plain End, Beveled End, Treaded Pipe, Screwed ends |
| Form | Hydraulic, Rectangular, Coiled, Square, Hollow, Round, Straight Pipes/tubes, “U” Shape, Pan Cake Coils, Boiler, LSAWetc. |
| Application | Dairy Pipe, Oil Pipe/tube, Gas Pipe/tube, Fluid Pipe/tube, Boiler Tube, Heat exchanger Tube |
| Type | Seamless /ERW/ EFW / Welded / Fabricated /CDW /DOM/CEW Copper Nickel 70/30 Pipe |
| Cu | Pb | Mn | Fe | Zn | Ni | |
|---|---|---|---|---|---|---|
| MIN | 65.000 | – | – | 0.400 | – | 29.000 |
| MAX | 70.000 | 0.500 | 1.000 | 1.000 | 1.000 | 33.000 |
| Yield Strength 0.2% Proof (MPa) |
Yield Strength 0.2% Proof (MPa) |
Tensile strength (MPa) |
Elongation (% in 50mm) |
Hardness (HRB) |
|---|---|---|---|---|
| MIN | 88 | 372 | 45.00 | |
| MAX | 483 | 517 | 51 |
| Density | kg/dm³ | 8.95 |
|---|---|---|
| Melting Range | °C | 1170-1240 |
| Specific Heat | J/kg °K | 377 |
| Thermal Conductivity | W/m°K | 29 |
| Coeff. of Linear Expansion 10-300°C” | 10-6/°K | 16 |
| Electrical Resistivity | microhm. cm | 34 |
| Modulus of Elasticity | GPa | 152 |
| Modulus of Rigidity | GPa | 56 |
These pipes also shine with strong mechanical properties, showcasing good tensile strength, high ductility, and resistance to stress corrosion cracking. The nickel content boosts their strength and stability, while small amounts of iron and manganese further enhance their resistance to erosion and corrosion. They maintain their mechanical integrity across a wide temperature range and have low magnetic permeability. Their ability to endure continuous exposure to harsh environments ensures reliable performance and less maintenance over time.
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You’ll find Copper Nickel 70/30 Pipes widely used in marine and offshore industries for seawater piping systems, cooling water lines, and shipbuilding projects. They’re also a common sight in desalination plants, heat exchangers, condensers, and power generation facilities. In the oil and gas and chemical processing sectors, these pipes efficiently handle corrosive fluids. With their durability, corrosion resistance, and low lifecycle costs, Copper Nickel 70/30 Pipes are the perfect choice for coastal infrastructure and industrial fluid transport systems.
