ASTM B888 En Cw111c High Temp Copper Alloy for Piping 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
  • ASTM B888 En Cw111c High Temp Copper Alloy for Piping Solutions
  • ASTM B888 En Cw111c High Temp Copper Alloy for Piping Solutions
  • ASTM B888 En Cw111c High Temp Copper Alloy for Piping Solutions
  • ASTM B888 En Cw111c High Temp Copper Alloy for Piping Solutions
  • ASTM B888 En Cw111c High Temp Copper Alloy for Piping Solutions
  • ASTM B888 En Cw111c High Temp Copper Alloy for Piping 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: Exhibiting impressive tensile strength ranging from 620-900 MPa, and a yield strength of 450-750 MPa depending on the temper, ensuring robust and reliable performance across various applications.
High Conductivity: With electrical conductivity between 25-34 MS/m (45-60% IACS), this alloy surpasses the standard bronze and brass, making it a superior choice for electrical and thermal applications.
Stress Relaxation Resistance: Remarkably maintains over 70% of residual stress even at high temperatures of 200°C, providing long-lasting and dependable service.
Formability: Outstanding cold workability with a minimum bending radius of just 2× the material thickness, allowing for versatile and intricate designs.
Eco-Certified: Environmentally friendly as it is lead-free and adheres to RoHS & ELV standards, ensuring safety and sustainability.

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: Perfectly suited for stamping and bending processes, maintaining a minimal bend radius of 2× thickness, ideal for precision applications.
  • Welding: Recommended welding methods include TIG/MIG for excellent results, and soft soldering for good outcomes, ensuring flexibility in manufacturing.
  • Heat Treatment:
    • Soft Annealing: Requires a temperature range of 600-700°C for 1-3 hours, enabling the material to attain desired softness and ductility.
    • Hot Working: Optimal within the 800-950°C range, facilitating effective shaping and forming of the alloy.
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: Backed by ASTM B888, RoHS, and ELV certifications; Mill Certificates available upon request to verify quality and compliance.
  • Testing Reports: Comprehensive reports available on mechanical properties, conductivity, and metallurgical analysis, ensuring transparency and reliability.
  • Customization: Offers the flexibility of non-standard sizes and specialized surface treatments such as tin and silver plating to meet specific needs.


Company Reference
ASTM B888 En Cw111c High Temp Copper Alloy for Piping Solutions
ASTM B888 En Cw111c High Temp Copper Alloy for Piping Solutions


 
ASTM B888 En Cw111c High Temp Copper Alloy for Piping Solutions
Jiangyin Hehong Precision Technology (HHP COPPER / Jiangyin New Huahong Copper Industry Co., Ltd.) operates as a branch of the Huahong Group (A-STOCK: 002645.SZ), renowned for its copper alloy products. Situated strategically in eastern China, near the bustling metropolis of Shanghai.


We specialize in the manufacture 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 railway ground cables. Our production capacity exceeds 30,000 tons annually. Our products are extensively used in industries such as seawater desalination, nuclear power, petrochemical, marine, steam turbine, pressure vessels, heat exchangers, central air-conditioning, household appliances, and railway transit.
Furthermore, we have contributed to writing the National Standard for copper alloy seamless tubes and pipes applicable to Nuclear Powerapplications!

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