Cupro Nickel Pipes and Tubes CuNi 90/10 (C70600)

Cupro-Nickel pipes made from CuNi 90/10 (C70600) is used in various applications where high resistance to corrosion, particularly in marine environments, is required. Below is a comprehensive overview of the specifications, properties, and equivalent grades for CuNi 90/10 pipess.CuNi 90/10 (C70600) pipes Specifications1. Material DescriptionMaterial: Cupro-Nickel (Copper-Nickel)Grade: CuNi 90/10Alloy Number: C706002. Chemical CompositionCopper (Cu): 90% minNickel (Ni): 10% minIron (Fe): Typically ? 1.0%Other Elements: May include small amounts of manganese, silicon, and others, typically ? 0.5% combined3. Mechanical PropertiesTensile Strength: 55-75 ksi (380-515 MPa)Yield Strength: 30 ksi (205 MPa) minElongation: 30% minHardness: Typically around 75 HRB (Rockwell B)4. Physical PropertiesDensity: Approximately 8.9 g/cm³Melting Point: Around 1,150°C (2,102°F)Thermal Conductivity: Approximately 40 W/m·KElectrical Conductivity: Around 10-20% IACS (International Annealed Copper Standard)5. DimensionsCuNi 90/10 pipess are available in various diameters and lengths. Common dimensions include:Diameter: Ranges from 6 mm to 200 mm or moreLength: Typically available in standard lengths of 3 meters to 6 meters, but can be customized based on requirements6. Standards and SpecificationsASTM B122: Standard Specification for Copper-Nickel-Silicon Alloy Plate, Sheet, and Strip for Marine ServiceASTM B465: Standard Specification for Copper-Nickel TubesBS 2871: Specification for Copper and Copper Alloys for Wrought ProductsDIN 17665: Wrought Copper-Nickel Alloys7. Equivalent GradesUNS C70600: Standard designation for CuNi 90/10ISO 6820: International standard for Cupro-Nickel alloysJIS H3300: Japanese standard for Cupro-Nickel alloys8. ApplicationsCuNi 90/10 pipess are widely used in:Marine Environments: Shipbuilding, offshore structuresHeat Exchangers: Corrosion-resistant components in seawater applicationsDesalination Plants: Parts exposed to saline waterIndustrial Equipment: Components requiring high resistance to corrosion and erosion9. Surface Finish and TreatmentSurface Finish: Can be supplied in various finishes including bright, polished, or as-rolled.Heat Treatment: Typically not heat-treated but can be subjected to stress relieving if required.10. Markingpipess should be marked with:Manufacturer’s Name or TrademarkMaterial Specification (e.g., CuNi 90/10, C70600)Dimensions (Diameter and Length)Standards Reference (e.g., ASTM B122, DIN 17665)11. Testing and Quality ControlChemical Analysis: To ensure compliance with chemical composition requirements.Mechanical Testing: Includes tensile testing, hardness testing, and impact testing.Visual Inspection: To check for surface defects.SummaryCuNi 90/10 (C70600) pipes is a high-performance alloy known for its excellent corrosion resistance, especially in marine environments. It is used in various critical applications including marine equipment and industrial components. Adhering to standards such as ASTM B122 and DIN 17665, and ensuring proper testing and quality control, guarantees the reliability and performance of these pipess in their respective applications.