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Immerse yourself in the world of excellence with our renowned selection of Copper Nickel 70/30 Bars, thoughtfully obtained from respected suppliers celebrated for their expertise in custom-built premium copper nickel alloys. These bars represent the height of versatility, offered in a range of sizes and grades precisely custom-built to satisfy the varied needs of our valued customers. Recognized throughout construction and engineering industries, our premium Copper Nickel 70/30 Bars deliver exceptional resistance to corrosion and abrasion, guaranteeing reliable durability even in the toughest conditions. Via careful heat treatment procedures, these bars experience a transformative boost in hardenability, producing consistently improved mechanical properties across their entire structure, cementing their position as essential components in a wide array of applications.
Specifications : ASTM B151 / ASME SB151
Dimensions : ASTM, ASME and API
Size : 5 mm Up To 500 mm
Diameter : 10 mm Up To 100 mm
Length : 100 mm To 3000 mm Long & Above, 100 mm TO 70/300 mm
Finish : Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish
Form : Round, Square, Hex (A/F), Rectangle, Wire (Coil Form), Wiremesh, Billet, Ingot, Forging Etc.,
Condition : Cold Drawn & Polished Cold Drawn, Centreless Ground & Polished
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Copper Nickel 70-30 / 70-30 | 0.323 lb/in3 at 68 F | 2260 F | 50000 psi | 20000 psi | 30 % |
| Grade | Cu | Mn | Pb | Ni | Fe | Zn |
| Cu-Ni 70-30 | 65.0 min | 1 max | .05 max | 29-33 | 0.4-1.0 | 1 max |
At Sumakhsteel, we are proud to stand as the largest supplier and manufacturer in the USA, delivering advanced solutions for every piping requirement you may have. Featuring modern manufacturing facilities positioned strategically across the USA, we maintain an extensive stock of more than 25,000 tons of high-quality materials on hand and ready for immediate supply.
Reach out to us for a fast quote tailored to your requirement.
We supply these Copper Nickel 70/30 Bars in accordance with DIN, ISO, JIS or ANSI Standard.
Corrosion Resistance: A key benefit of Copper Nickel 70/30 bars is their high resistance to corrosion from seawater. This makes them ideal for marine uses such as shipbuilding, offshore structures and desalination plants.
High Strength: Copper Nickel 70/30 wires offer outstanding mechanical properties, strength, and toughness. This makes them well suited for applications that demand both strength and corrosion resistance, such as heat exchangers, condensers and piping systems.
Temperature Stability: Copper Nickel 70/30 wires maintain their mechanical properties across a broad temperature range, making them suitable for use in hot environments and high temperatures
Antimicrobial properties: Copper-nickel alloy, in a 70/30 copper-nickel ratio, possesses a natural antimicrobial quality that stops bacteria and fungi from developing on its surface. This trait is particularly valuable in highly critical sanitary settings, such as the food and beverage industry and the healthcare sector.
Easy to manufacture: Copper Nickel 70/30 strips can be readily fabricated through conventional manufacturing methods such as machining, welding and fabrication to create complex components and structures.
Copper Nickel 70/30 Bars serve applications as varied as the industries they support, led chiefly by the aerospace, railway, construction and automotive industries along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
Marine applications: Copper-nickel is widely used in marine environments 70/30 thanks to its outstanding resistance to seawater corrosion and biodegradation. It finds application in hulls, propellers, heat exchangers and piping systems.
Heat Exchanger: Its high temperature makes it well suited for heat exchange vessels in power plants, desalination plants and chemical plants
Desalination equipment: Copper-nickel is applied in heat exchangers and piping within desalination plants, where resistance to seawater corrosion is essential
Power generation: Copper-nickel 70/30 serves in condensers, heat exchangers and piping systems owing to its resistance to corrosion and to corrosion in electrical equipment
Chemical Applications: Employed in Chemical Applications that demand chemical stability and high temperatures
Oil and Gas Industry: Copper Nickel 70/30 is used on offshore oil and gas platforms, especially in pipeline systems and heat exchangers that call for seawater and high-pressure corrosion resistance.
Identify your application: Pinpoint the exact application for which the copper nickel plates are needed. Various uses may call for different cable types or dimensions.
Understand the material: Copper-nickel 70/30 bars are recognized for their outstanding corrosion resistance, high thermal conductivity, and superior mechanical performance. Grasp how well these materials align with what your application demands.
Consider the environment: Take into account the setting in which the rod will be deployed. Copper nickel 70/30 is frequently selected for marine products because it resists corrosion from seawater. Ensure the trees can hold up against the conditions they encounter.
Size and shape: According to your project’s specifications, work out the necessary wire size, shape, and thickness. Copper nickel plates are available in a range of shapes and sizes, including circular, rectangular, or rectangular.
Quality and Standards: Verify whether the tapes comply with the proper standards like ASTM, DIN, or others pertinent to your industry. Quality assurance guarantees that the tapes will perform correctly in your application.
Yes, Copper Nickel 70/30 bars are suitable for welding through several techniques, including shielded metal arc welding, gas tungsten arc welding, and gas metal arc welding. Using correct welding procedures and matching filler metals is critical to producing sound welds while preserving the material’s resistance to corrosion.
Yes, Copper Nickel 70/30 bars work well for hygienic and sanitary uses thanks to their outstanding resistance to corrosion, antimicrobial characteristics, and capacity to endure elevated temperatures and pressures. They are frequently employed in sectors like food and beverage, pharmaceuticals, and marine engineering for piping and equipment.
Yes, Copper Nickel 70/30 bars are highly recyclable. They can be melted and reprocessed without sacrificing their advantageous characteristics. Recycling helps preserve resources, lowers energy use, and reduces environmental impact, making it a sustainable option for managing these materials at the end of their life.
Copper Nickel 70/30 bars are generally not chosen for structural uses because their strength is fairly low when set against other structural materials such as steel. That said, they can be used in specialized structural parts where their corrosion resistance and other distinctive characteristics matter more than the requirement for high mechanical strength.
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