Product Details for CuNi3Si1Mg (C70250): Discover the ultimate in high-performance materials with our CuNi3Si1Mg (C70250), designed to meet the rigorous demands of cutting-edge industries.
1. Core Specifications: This section details the fundamental attributes of the product, ensuring you have the critical data you need.
| Item |
Details |
| Grade |
CuNi3Si1Mg (UNS C70250) |
| Standard |
ASTM B888, RoHS & ELV Compliant |
| Composition |
Cu (Balance), Ni 3%, Si 0.65%, Mg 0.15%, Pb <0.05% |
| Material Type |
Precipitation-Hardened High Copper Alloy |
2. Key Advantages: Discover the exceptional benefits that set our product apart in the marketplace, designed to exceed your highest expectations.
High Strength: This category highlights the remarkable durability of our product, ensuring it withstands even the toughest conditions.: Featuring tensile strength ranging from 620-900 MPa and yield strength between 450-750 MPa, our material's robustness varies according to its temper, offering unmatched resilience.
High Conductivity: Our product excels in electrical performance, promising outstanding conductivity for diverse applications.: With an electrical conductivity range of 25-34 MS/m (45-60% IACS), our product surpasses standard bronze and brass, delivering superior performance.
Stress Relaxation Resistance: Engineered to maintain stability, this feature ensures lasting reliability under stress.: Retains over 70% of residual stress even at temperatures reaching 200°C, ensuring consistent performance and reliability.
Formability: Experience exceptional ease in shaping our product to meet your design needs with minimal effort.: Boasting excellent cold workability, our product allows for bending with a minimum radius of just 2x the thickness, providing flexibility in manufacturing.
Eco-Certified: Our commitment to sustainability is reflected in our product's environmentally friendly credentials.: Lead-free and fully compliant with RoHS & ELV regulations, our product is as green as it is effective.
3. Typical Applications: Explore the broad range of uses for our product, perfectly tailored for various innovative applications.
| Industry |
Applications |
| Electronics |
High-density connectors, CPU sockets, relay springs, micro-switch contacts |
| Automotive |
Fuel injection components, sensor terminals, battery connectors |
| Industrial Equipment |
High-temperature springs, solenoid coils, precision instrument contacts |
| Renewable Energy |
PV junction boxes, EV charging port components |
4. Physical & Mechanical Properties: An in-depth look at the impressive mechanical features that define our product's strength and efficiency.
| Parameter |
Typical Value |
Test Standard |
| Density |
8.82 g/cm³ |
ISO 1183 |
| Thermal Conductivity |
190 W/(m·K) |
ASTM E1461 |
| Thermal Expansion (0-300°C) |
17.6×10-6/K |
ASTM E228 |
| Elastic Modulus |
131 GPa |
ASTM E111 |
| Hardness (HV) |
180-270 (depends on temper) |
ASTM E384 |
5. Processing & Heat Treatment: Optimal methods for working with our product to achieve the best results.
- Cold Working: Perfect for precision stamping and bending, ensuring versatile use in manufacturing.: Ideal for stamping and bending with a minimum bend radius of 2x the thickness, enabling diverse formability options.
- Welding: Our product is designed for superior welding performance, enhancing its usability in complex assemblies.: Recommended TIG/MIG welding methods ensure excellent results, supported by good soft soldering capability.
- Heat Treatment: Unlock the full potential of our product with precise heat treatment techniques.: Details the specific conditions for effective heat treatment processes.
- Soft Annealing: Achieve optimal softness and workability with annealing at 600-700°C for 1-3 hours.
- Hot Working: Maximize material performance with hot working at temperatures between 800-950°C.
6. Available Forms & Dimensions: A comprehensive overview of the various sizes and forms available to suit your project's needs.
| Form |
Size Range |
Custom Options |
| Strip |
Thickness: 0.1mm-5.0mm, Width: ≥3mm |
Hot-dip tinned, contour-milled, coatings |
| Sheet |
Thickness: 0.5mm-10mm |
Mechanical/electrolytic polishing |
| Wire |
Diameter: 0.5mm-20mm |
Precision cold-drawn/polished |
| Tube |
OD: 3mm-50mm, Wall: 0.2mm-5mm |
Seamless/welded customization |
7. Certifications & Support: Assurance of quality and reliability with our extensive certifications and support services.
- Certifications: Our product meets the highest standards, backed by essential certifications for quality assurance.: Certified to ASTM B888, RoHS, ELV standards; mill certificates are also available to verify compliance and performance.
- Testing Reports: Detailed analysis and documentation to give you confidence in our product's capabilities.: Comprehensive testing includes mechanical properties, conductivity evaluations, and metallurgical analysis for complete assurance.
- Customization: Tailor our product to fit your specific needs with bespoke options and treatments.: Customize with non-standard sizes and specialized surface treatments like tin or silver plating to suit your exact requirements.
Company Reference: A glimpse into the expertise and legacy behind our innovative products.
Jiangyin: A hub of industrial excellence and innovation at the heart of our operations. Hehong Precision: Pioneers in copper technology, providing precision solutions that redefine industry standards. Technology (HHP COPPER / Jiangyin New Huahong Copper Industry Co., Ltd.): As a key branch of Huahong Group (A-STOCK: 002645.SZ), we are proud to be a leading manufacturer of copper alloy products in Eastern China, strategically located near Shanghai.
We specialize in the production of high-quality copper and copper alloys (admiralty brass/naval brass, aluminum brass, cupronickel/copper nickel): Our extensive lineup includes condenser tubes, efficient heat exchanger tubes, large diameter copper nickel pipes, copper alloy forged flanges, and oxygen-free copper products. With an annual production capacity exceeding 30,000 tons, our products are integral to seawater desalination, nuclear power, petrochemical, marine, steam turbines, pressure vessels, heat exchangers, central air-conditioning, household appliances, and railway transit applications.
And: Furthermore, we authored the National Standard: Setting the benchmark for copper alloy seamless tube/pipe production, of copper alloy seamless tube/pipe for: ensuring industry-leading standards for Nuclear Power: This critical sector demands the highest level of quality and precision.!
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