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High-performance binary alloy rod with exceptional thermal stability, corrosion resistance, and mechanical workability for demanding industrial applications.
Product Overview
CuNi44 copper-nickel rod from Huona New Material is a premium binary alloy composed of 44% nickel and 56% copper with trace stabilizing elements. Manufactured through advanced processes including vacuum smelting, hot forging, precision turning, and solution annealing, this rod delivers superior corrosion resistance, stable electrical properties, and excellent mechanical workability. Available in customizable diameters (5-200mm) and lengths (1000-6000mm), it serves critical roles in marine engineering, chemical equipment, and precision instrumentation.
Material Specifications & Standards
Alloy Grade: CuNi44 (equivalent to UNS C71500, DIN 2.0882, GB/T 2040-2017)
Chemical Composition: Ni 43.0-45.0%, Cu balance, Fe ≤0.5%, Mn ≤0.5%, C ≤0.1%
Compliant Standards: ASTM B122, EN 12449, GB/T 2040-2017, RoHS 2.0
Manufacturer: Huona New Material (ISO 9001 & ISO 14001 certified)
Core Performance Advantages
Exceptional Corrosion & Biofouling Resistance
Marine Environment Adaptability: Forms dense oxide film resisting pitting, crevice corrosion, and stress corrosion cracking
Anti-Biofouling Performance: Inhibits marine organism adhesion, reducing maintenance frequency by 50% compared to carbon steel
Passes 1000-hour ASTM B117 salt spray testing with no significant corrosion
Stable Electrical & Thermal Properties
Consistent Resistivity: 0.45 μΩ·m at 20℃ with low temperature coefficient (±20 ppm/℃)
High Thermal Conductivity: 29 W/m·K at 20℃ for efficient heat transfer
Superior Mechanical Workability
Forging & Machining Performance: Tensile strength ≥380 MPa, elongation ≥30% in annealed state
Weldability: TIG/MIG compatible with welded joint strength retention ≥90% of base metal
Precision machining capability with minimum turning tolerance ±0.01mm
Technical Specifications
Attribute
Value (Typical)
Alloy Grade
CuNi44 (annealed temper, M)
Diameter Range
5-200mm (tolerance: ±0.05mm for ≤50mm; ±0.1mm for >50mm)
Chemical Equipment: Heat exchanger tubes, reactor internals, pipeline valves
Precision Instrumentation: Resistance element blanks, current shunts, temperature sensor housings
Automotive & Aerospace: Brake system components, fuel system pipelines
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Year Established:
2008
Total Annual:
8000000-100000000
Employee Number:
100~120
Ecer Certification：
Verified Supplier
Huona (Shanghai) New Material Co., Ltd. Was established in 2008, currently have three divisions: Magnesium Division, Thermal Spray Division and Functional Material Division.Magnesium Division produces magnesium metal products. Various models of high-quality magnesium alloy plate, magnesium rods, hig... Huona (Shanghai) New Material Co., Ltd. Was established in 2008, currently have three divisions: Magnesium Division, Thermal Spray Division and Functional Material Division.Magnesium Division produces magnesium metal products. Various models of high-quality magnesium alloy plate, magnesium rods, hig...
