Product Details for CuNi3Si1Mg (C70250): Delve into the comprehensive specifications and features of our high-performing CuNi3Si1Mg (C70250) alloy, designed for excellence in high-temperature piping applications.
1. Core Specifications: Discover the fundamental specifications that set our C70250 CuNi3Si alloy apart in the industry.
| 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: Explore the unparalleled advantages that make our product a leading choice for demanding applications.
High Strength: Engineered to deliver exceptional tensile and yield strength, ensuring durability and reliability in extreme conditions.: With a remarkable tensile strength ranging from 620-900 MPa and yield strength between 450-750 MPa, depending on temper, our alloy stands resilient in the face of challenging environments.
High Conductivity: Experience superior electrical performance with our alloy's outstanding conductivity.: Boasting an electrical conductivity of 25-34 MS/m (45-60% IACS), our alloy significantly outshines standard bronze and brass, offering enhanced efficiency.
Stress Relaxation Resistance: Maintain integrity under stress with our exceptional alloy.: Ensuring over 70% residual stress retention at 200°C, our alloy offers reliable performance under prolonged thermal exposure.
Formability: Versatile and adaptable, our alloy excels in cold working applications.: With superior cold workability, our alloy allows for a minimum bending radius of 2× thickness, facilitating ease of fabrication.
Eco-Certified: Our commitment to sustainability is evident in our eco-friendly alloy.: Lead-free and fully compliant with RoHS & ELV regulations, our alloy meets rigorous environmental standards.
3. Typical Applications: Discover the diverse applications where our alloy excels, providing unmatched performance and reliability.
| 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: Examine the detailed physical and mechanical properties that define our high-quality alloy.
| 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: Learn about the precise processing and heat treatment methods that optimize our alloy's performance.
- Cold Working: Achieve exceptional results with our alloy's suitability for complex stamping and bending operations.: Capable of withstanding intricate stamping and bending processes, with a minimum bend radius of 2× thickness, our alloy is designed for versatility.
- Welding: Versatile and efficient welding methods ensure seamless integration of our alloy in various applications.: Recommended welding techniques include TIG/MIG (excellent results) and soft soldering (good results), ensuring strong and reliable bonds.
- Heat Treatment: Unlock the full potential of our alloy with precise heat treatment techniques.: Capture the optimal conditions for enhancing the mechanical properties and durability of our alloy.
- Soft Annealing: Achieve desired softness and ductility with a controlled process at 600-700°C for 1-3 hours.
- Hot Working: Optimize mechanical properties with hot working processes conducted at 800-950°C.
6. Available Forms & Dimensions: Explore the diverse range of forms and dimensions available, tailored to meet your specific 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: Discover our robust certifications and comprehensive support services that guarantee quality and reliability.
- Certifications: Our alloy is certified to the highest standards, ensuring exceptional quality and compliance.: Our product meets ASTM B888, RoHS, ELV standards, with detailed Mill Certificates available to validate compliance.
- Testing Reports: Comprehensive testing reports back our product's outstanding performance and quality.: Our thorough reports include mechanical properties, conductivity assessments, and metallurgical analyses, ensuring transparency and trust.
- Customization: Tailor our alloy to your unique application needs with our flexible customization options.: We offer non-standard sizes and specialized surface treatments, such as tin and silver plating, to meet diverse requirements.
Company Reference: Gain insight into our company's esteemed background and extensive expertise.
Jiangyin: The hub of innovation and excellence, where our precision engineering leads the industry. Hehong Precision: A testament to our commitment to superior quality and technological advancement. 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, near Shanghai.
We specialize in producing top-tier copper and copper alloy products, offering a wide range of solutions.admiralty brass/naval brass, aluminum brass, cupronickel/copper nickel) condenser tube, efficient heat exchange tube, large diameter copper nickel pipe, copper alloy forged flanges, oxygen-free copper products, and railway ground cable. Our annual production capacity exceeds 30,000 tons of copper products, serving industries such as seawater desalination, nuclear power, petrochemical, marine, steam turbine, pressure vessels, heat exchangers, central air-conditioning, household appliances, and railway transit.
Moreover, we proudly authored the National Standard for copper alloy seamless tube/pipe used in Nuclear Power, underscoring our leadership in the industry.
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