C70250 CuNi3si ASTM B888 High Temperature Ultra High Pressure Piping

Product Details
Customization: Available
Application: Relays/Switches
certification: ASTM B888
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Number of Employees
355
Year of Establishment
2002-03-07
  • C70250 CuNi3si ASTM B888 High Temperature Ultra High Pressure Piping
  • C70250 CuNi3si ASTM B888 High Temperature Ultra High Pressure Piping
  • C70250 CuNi3si ASTM B888 High Temperature Ultra High Pressure Piping
  • C70250 CuNi3si ASTM B888 High Temperature Ultra High Pressure Piping
  • C70250 CuNi3si ASTM B888 High Temperature Ultra High Pressure Piping
  • C70250 CuNi3si ASTM B888 High Temperature Ultra High Pressure Piping
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Basic Info.

Model NO.
C70250
Temperature Classification
High Temperature Piping
MPa Classfication
Ultra High Pressure Piping
Material
Copper Alloy
Standard
ASTM, GB, API, DIN, JIS, BS
Medium
Liquid
Cross-Section Shape
Round
Connection Type
Seamless
Diameter
419mm
Transport Package
Wooden Case
Specification
1.2m*1.2m*L
Trademark
Hehong
Origin
China
Production Capacity
600ton/Month

Packaging & Delivery

Package Size
80.00cm * 80.00cm * 80.00cm
Package Gross Weight
1.000kg

Product Description

Exquisite Product Insights for CuNi3Si1Mg (C70250)

1. Core Specifications
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

Unmatched High Strength: Demonstrating impressive tensile strength ranging from 620-900 MPa and a yield strength of 450-750 MPa, depending on the temper, this product stands strong under pressure.
Exceptional High Conductivity: Boasting an electrical conductivity of 25-34 MS/m (45-60% IACS), this product outshines standard bronze and brass, making it a superior choice for high-performance applications.
Outstanding Stress Relaxation Resistance: Remarkably, it maintains over 70% residual stress even when exposed to temperatures up to 200°C, ensuring long-term durability.
Superior Formability: This product offers excellent cold workability with a minimum bending radius of just 2× its thickness, allowing for flexible and efficient manufacturing.
Eco-Certified for Environment: Fully lead-free and compliant with RoHS & ELV, this product is an environmentally conscious choice for modern industries.

3. Typical 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
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
  • Cold Working: Ideally suited for stamping and bending processes with a minimal bend radius of 2× thickness, ensuring high adaptability.
  • Advanced Welding Techniques: Recommended welding methods include TIG/MIG for excellent results and soft soldering for good outcomes, ensuring robust joint integrity.
  • Optimized Heat Treatment:
    • Soft Annealing: Conducted at 600-700°C for 1-3 hours, this method refines product properties for specific applications.
    • Hot Working: Performed at 800-950°C, this process enhances the material's performance under high-temperature conditions.
6. Available Forms & Dimensions
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
  • Comprehensive Certifications: Includes ASTM B888, RoHS, ELV; Mill Certificates are provided to verify quality and compliance.
  • Thorough Testing Reports: Detailed reports on mechanical properties, electrical conductivity, and metallurgical analysis ensure transparency and reliability.
  • Versatile Customization Options: Offering non-standard sizes and a variety of surface treatments like tin and silver plating, we cater to diverse customer needs.


Prestigious Company Reference
C70250 CuNi3si ASTM B888 High Temperature Ultra High Pressure Piping
C70250 CuNi3si ASTM B888 High Temperature Ultra High Pressure Piping


 
C70250 CuNi3si ASTM B888 High Temperature Ultra High Pressure Piping
Jiangyin Hehong Precision Technology Technology (HHP COPPER /Jiangyin New Huahong Copper Industry Co., Ltd.) proudly represents a segment of Huahong Group (A-STOCK : 002645.SZ), a renowned leader in copper alloy products in eastern China, just a stone's throw from Shanghai.


We excel in crafting an array of copper and copper alloy products, includingadmiralty brass/naval brass, aluminum brass, and cupronickel/copper nickel) condenser tubes, efficient heat exchange tubes, large diameter copper nickel pipes, copper alloy forged flanges, oxygen-free copper products, and robust railway ground cables. With an astonishing annual output of over 30,000 tons of copper products, our offerings are integral to industries such as seawater desalination, nuclear power, petrochemical, marine, steam turbine, pressure vessels, heat exchangers, central air-conditioning, household appliances, and railway transit.
Additionally, we contributed to the drafting of the National Standard for copper alloy seamless tubes/pipes utilized in Nuclear Powerapplications!

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