Explore the comprehensive Product Details for CuNi3Si1Mg (C70250) - a marvel in copper alloy engineering that exemplifies performance and reliability.
1. Core Specifications: Here lies the foundation of the Ultra High Pressure Copper Alloy C70250 NF A51-121 ASTM B888 Pipe.
| 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: Unveiling the powerhouse benefits that this product brings to your innovative applications.
High Strength: Power-packed with tensile strength ranging from 620 to 900 MPa and yield strength from 450 to 750 MPa, tailored by temper.: Experience the robust tensile strength of 620-900 MPa and a yield strength of 450-750 MPa, precisely adaptable to various tempers.
High Conductivity: Delivers unparalleled electrical performance.: Boasting electrical conductivity between 25-34 MS/m, translating to an impressive 45-60% IACS, surpassing the usual bronze and brass.
Stress Relaxation Resistance: Designed to excel under pressure.: Retains over 70% of residual stress even at demanding temperatures like 200°C, ensuring durability.
Formability: Transformative workability for your needs.: Enjoy exceptional cold workability, allowing a minimum bending radius of just 2× the thickness.
Eco-Certified: A greener choice for a sustainable future.: Lead-free and fully compliant with RoHS & ELV, aligning with eco-friendly standards.
3. Typical Applications: Discover the versatile realms where this product shines.
| 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: Delve into the intrinsic characteristics that define excellence.
| 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: Tailoring perfection through advanced techniques.
- Cold Working: Unleashes the potential for precision shaping.: Ideally suited for precise stamping and bending with a minimum bend radius of 2× thickness.
- Welding: Seamless integration with cutting-edge methods.: Recommended welding techniques include TIG/MIG for excellence, and soft soldering for good results.
- Heat Treatment: Amplifying characteristics for superior performance.:
- Soft Annealing: Performed at 600-700°C for 1-3 hours to achieve desired softness and workability.
- Hot Working: Undertake at 800-950°C to refine and perfect the material.
6. Available Forms & Dimensions: Custom-fit solutions for diverse 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 precision engineering.
- Certifications: Testifies to our compliance with global standards.: Validated by ASTM B888, RoHS, and ELV, with Mill Certificates available for your confidence.
- Testing Reports: A benchmark of our commitment to excellence.: Includes mechanical properties, conductivity, and meticulous metallurgical analysis.
- Customization: Tailored to meet unique specifications.: Offers non-standard sizes and specialized surface treatments such as tin and silver plating.
Company Reference: A testament to our heritage and expertise.
Jiangyin: A hub of innovation and quality. Hehong Precision: Craftsmanship and precision at its finest. Technology (HHP COPPER /Jiangyin New Huahong Copper Industry Co., Ltd. ) - a proud member of Huahong Group (listed as A-STOCK: 002645.SZ), a renowned manufacturer of copper alloy products in eastern China, strategically located near Shanghai.
We are specializing in the production of superior copper and copper alloys (including admiralty brass/naval brass, aluminum brass, and cupronickel/copper nickel) - delivering unmatched condenser tubes, efficient heat exchange tubes, large diameter copper nickel pipes, copper alloy forged flanges, oxygen-free copper products, and railway ground cable. Our annual production exceeds 30,000 tons, serving industries like seawater desalination, nuclear power, petrochemical, marine, steam turbine, pressure vessels, heat exchangers, central air-conditioning, household appliances, and railway transit, etc.
And as pioneers, we authored the National Standard for copper alloy seamless tube/pipe dedicated to Nuclear Power applications! Signifying leadership in innovation and quality.
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