Product Details for CuNi3Si1Mg (C70250): Dive into the intricate specifics of our C70250 copper alloy, engineered for the most demanding ultra-high pressure applications, ensuring unparalleled performance.
1. Core Specifications: Discover the essential specifications that make the C70250 CW111C a leader in copper alloy solutions, crafted for excellence.
| 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: Unveil the competitive edge offered by our copper alloy piping solution, specifically designed to deliver top-tier performance and reliability.
High Strength: Experience the robustness and durability of C70250, crafted to endure immense pressures and offer unmatched tensile resilience.: With tensile strength ranging from 620 to 900 MPa and yield strength between 450 to 750 MPa, depending on temper, our alloy is ideal for high-pressure environments.
High Conductivity: Our copper alloy facilitates superior electrical performance, ensuring efficiency and reliability in critical applications.: Enjoy electrical conductivity ranging from 25-34 MS/m (45-60% IACS), surpassing the standards set by conventional bronze and brass counterparts.
Stress Relaxation Resistance: Designed to withstand prolonged stress, this alloy maintains exceptional integrity under extreme conditions.: Even at 200°C, our alloy retains more than 70% of its residual stress, assuring reliability and performance over time.
Formability: Tailored for versatility, our copper alloy excels in adaptability, accommodating various fabrication processes.: With superior cold workability, it allows for a minimum bending radius of 2× thickness, offering flexibility in design and application.
Eco-Certified: Commitment to sustainability reflected in our lead-free composition, aligning with global environmental standards.: Fully compliant with RoHS & ELV directives, our alloy ensures eco-friendly applications without compromising quality.
3. Typical Applications: Explore the myriad applications of our product, from industrial giants to advanced technological solutions, broadening your operational horizons.
| 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: Gain insight into the robust physical and mechanical features that define our copper alloy, ensuring superior functionality.
| 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: Understand the tailored processes and heat treatments that enhance the performance and longevity of our copper alloy solution.
- Cold Working: Achieve optimal results with our alloy, designed for precision in stamping and bending applications.: Suitable for stamping and bending with a minimum bend radius of 2× thickness, ensuring structural integrity.
- Welding: Seamlessly integrate our copper alloy into your assembly with our recommended welding techniques.: TIG and MIG methods are excellent, and soft soldering is good, ensuring a robust and versatile connection.
- Heat Treatment: Tailor the properties of our alloy through precise heat treatment processes, enhancing performance.: Comprehensive heat treatment options available for customized property enhancement.
- Soft Annealing: Achieve softness and workability with annealing at 600-700°C for 1-3 hours.
- Hot Working: Operate within temperatures of 800-950°C to refine material properties and achieve desired forms.
6. Available Forms & Dimensions: Discover the diverse forms and dimensions of our copper alloy to fit your specific needs and applications.
| 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: Rest assured with our comprehensive certifications and robust support, underscoring our commitment to quality and reliability.
- Certifications: Our products meet stringent international standards, ensuring trust and quality in every application.: Certified by ASTM B888, RoHS, and ELV; available with detailed Mill Certificates, confirming compliance and quality.
- Testing Reports: Access detailed reports on mechanical properties, conductivity, and metallurgical analysis for informed decision-making.: Our rigorous testing processes ensure you receive materials that meet your exact specifications and expectations.
- Customization: Tailor our copper alloy products to meet your unique requirements, ensuring the perfect fit for your project.: We offer non-standard sizes and surface treatments like tin and silver plating to cater to bespoke needs.
Company Reference: Drawing on our rich heritage and expertise, we stand at the forefront of copper alloy innovation and production.
Jiangyin: A hub of precision engineering, leading in the production of top-tier copper alloy solutions. Hehong Precision: Our dedication to precision is reflected in every product, ensuring excellence in every detail. Technology (HHP COPPER /Jiangyin New Huahong Copper Industry Co., Ltd.) is a Branch of Huahong Group (A-STOCK: 002645.SZ), a renowned Copper Alloy products manufacturer in eastern China, strategically located near Shanghai, offering unparalleled access and service.
We are specialists in producing top-quality copper and copper alloy products.admiralty brass/naval brass, aluminum brass, cupronickel/copper nickelOur extensive range includes condenser tubes, efficient heat exchange tubes, large diameter copper nickel pipes, copper alloy forged flanges, oxygen-free copper products, and railway ground cables. Boasting an impressive annual production capacity exceeding 30,000 tons, our products serve diverse sectors, including seawater desalination, nuclear power, petrochemical, marine, steam turbines, pressure vessels, heat exchangers, central air-conditioning, household appliances, and railway transit, offering reliability and efficiency across applications.
And we wrote the National Standard: Proud contributors to the national standards for copper alloy seamless tube/pipe, setting benchmarks for of copper alloy seamless tube/pipe for Nuclear Power!, epitomizing our leadership and commitment to quality and safety in critical applications.
){kind=link}