Ultra High Pressure Piping CuNi3si1mg ASTM B888 Copper Alloy Solutions

Product Details
Customization: Available
Application: Relays/Switches
certification: ASTM B888
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Number of Employees
355
Year of Establishment
2002-03-07
  • Ultra High Pressure Piping CuNi3si1mg ASTM B888 Copper Alloy Solutions
  • Ultra High Pressure Piping CuNi3si1mg ASTM B888 Copper Alloy Solutions
  • Ultra High Pressure Piping CuNi3si1mg ASTM B888 Copper Alloy Solutions
  • Ultra High Pressure Piping CuNi3si1mg ASTM B888 Copper Alloy Solutions
  • Ultra High Pressure Piping CuNi3si1mg ASTM B888 Copper Alloy Solutions
  • Ultra High Pressure Piping CuNi3si1mg ASTM B888 Copper Alloy Solutions
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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

Product Details 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

High Strength: Boasting an impressive tensile strength of 620-900 MPa and a yield strength ranging from 450-750 MPa, depending on temper.
High Conductivity: Delivers remarkable electrical conductivity of 25-34 MS/m (45-60% IACS), surpassing standard bronze and brass.
Stress Relaxation Resistance: Capably maintains over 70% of its residual stress even when exposed to 200°C, ensuring reliability.
Formability: Exceptional cold workability, allowing a bending radius as tight as 2× thickness, ideal for complex forms.
Eco-Certified: Environmentally friendly and lead-free, adhering to RoHS and ELV regulations.

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: Ideal for processes such as stamping and bending with a minimum bend radius of 2× thickness.
  • Welding: TIG/MIG welding is recommended as excellent, with good results from soft soldering methods.
  • Heat Treatment:
    • Soft Annealing: Conducted at 600-700°C for 1-3 hours for optimal performance.
    • Hot Working: Best performed between 800-950°C to ensure material integrity.
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
  • Certifications: Compliant with ASTM B888, RoHS, and ELV, with mill certificates readily available for assurance.
  • Testing Reports: Includes mechanical properties, comprehensive conductivity data, and metallurgical analysis insights.
  • Customization: Offers bespoke sizes and surface treatments such as tin and silver plating to meet specific needs.


Company Reference
Ultra High Pressure Piping CuNi3si1mg ASTM B888 Copper Alloy Solutions
Ultra High Pressure Piping CuNi3si1mg ASTM B888 Copper Alloy Solutions


 
Ultra High Pressure Piping CuNi3si1mg ASTM B888 Copper Alloy Solutions
Jiangyin Hehong Precision Technology (HHP COPPER / Jiangyin New Huahong Copper Industry Co., Ltd.) operates as a dynamic branch under the prestigious Huahong Group (A-STOCK: 002645.SZ). As a renowned manufacturer of copper alloy products in eastern China, located conveniently near Shanghai.


We specialize in producing a diverse range of copper and copper alloy products, includingadmiralty brass, naval brass, aluminum brass, and cupronickel/copper nickelcondenser tubes, efficient heat exchange tubes, large diameter copper nickel pipes, copper alloy forged flanges, and oxygen-free copper products. We boast an impressive annual production capacity exceeding 30,000 tons of copper products. Our products find extensive application across industries such as seawater desalination, nuclear power, petrochemical, marine, steam turbine, pressure vessels, heat exchangers, central air-conditioning, household appliances, and railway transit.
And we proudly authored the National Standard for copper alloy seamless tubes and pipes utilized in Nuclear Powerapplications!

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