Understanding the Composition, Features, and Benefits of CuSn12Ni2

CuSn12Ni2, also known as C93200, is a bronze alloy composed of copper, tin and nickel. It has become a popular material choice in various industries because of its high strength, good wear resistance and excellent corrosion resistance. In this article, we will discuss the composition, application fields and its advantages of CuSn12Ni2 to take a further look at this material.

Table of Contents

 

Chemical Composition of CuSn12Ni2

The table demonstrates a common composition of CuSn12Ni2, while the actual composition may vary slightly depending on the manufacturer and the specific requirements of the application.
 
element percentage(minimum) percentage(maximum)
Copper (Cu) 85.0% 88.0%
Tin (Sn) 10.0% 12.0%
Nickel (Ni) 1.0% 3.0%
Lead (Pb) - 0.10%
Zinc (Zn) - 0.50%
Iron (Fe) - 0.20%
Phosphorus (P) - 0.03%
Sulfur (S) - 0.08%
Other elements - 0.50%
 


Material designation and Equivalent Grades of CuSn12Ni2

GS = G = Sand casting; GZ = Centrifugal casting; GC = Continuous casting

DIN EN 1982 DIN 1705
Abbreviated designation Number Casting method Abbreviated designation Number
CuSn12Ni2-C-GS CC484K-GS GS or G G-CuSn12Ni 2.1060.01
CuSn12Ni2-C-GZ CC484K-GZ GZ GZ-CuSn12Ni 2.1060.03
CuSn12Ni2-C-GC CC484K-GC GC GC-CuSn12Ni 2.1060.04

CuSn12Ni2's Distinctive Features

CuSn12Ni2 offers several features that make it suitable for various applications including:
Exceptional Strength in CuSn12Ni2 Alloy
With high strength and hardness, CuSn12Ni2 is suitable for heavy-duty applications, such as marine equipment, bushings and gears.
Reliable Wear Resistance of CuSn12Ni2 Alloy
CuSn12Ni2 has good wear resistance, which ensures that it can withstand frequent use without wearing down or breaking. This property enables CuSn12Ni2 for use in bearings and other high-stress applications.
Exceptional Corrosion Resistance of CuSn12Ni2 Alloy
It is feasible to employ CuSn12Ni2 in marine equipment and other applications that are exposed to harsh conditions since it has excellent corrosion resistance, making it resistant to various chemicals and environmental factors, such as saltwater. 
Superior Machinability of CuSn12Ni2 Alloy
This feature allows manufacturers to create complex shapes and designs using the alloy that CuSn12Ni2 is highly machinable, making it easy to work with during manufacturing.
Superb Weldability of CuSn12Ni2 Alloy
CuSn12Ni2 is also highly weldable, making it easy to join with other metals during manufacturing.
Outstanding Electrical Conductivity of CuSn12Ni2 Alloy
CuSn12Ni2 is an excellent electrical conductor, with high conductivity, which makes it a popular choice for electrical contacts and connectors.
Endurance Against Fatigue in CuSn12Ni2 Alloy

The resistance to fatigue and a low coefficient of friction of CuSn12Ni2 enables it to withstand repeated stress without breaking or wearing down.

 

CuSn12Ni2: An Overview of Its Properties

As one of bronze alloys that offers various physical, chemical, mechanical and thermal properties, CuSn12Ni2 is suitable for various applications across different industries. Each of these properties is as follows:

Physical Properties of CuSn12Ni2

  • Density: The density of CuSn12Ni2 is 7.78 g/cm³.
  • Melting Point: The melting point of CuSn12Ni2 is approximately 1040°C.
  • Electrical Conductivity: CuSn12Ni2 has a high electrical conductivity, making it a suitable material for electrical components such as connectors and switches.
  • Thermal Conductivity: CuSn12Ni2 has a high thermal conductivity, making it an ideal material for heat sinks and other thermal management applications.
Density
kg/dm3		 8,6
Melting Point
°C		 1040°C.
Thermal Expansion
10-6 K		 18,5
Thermal Conductivity
W/(m*K)		 54
Electrical Conductivity
MS/m		 6.2

Chemical Properties of CuSn12Ni2

  • Corrosion Resistance: CuSn12Ni2 exhibits excellent corrosion resistance, making it capable of dealing with marine and other harsh environments.
  • Oxidation Resistance: CuSn12Ni2 has good oxidation resistance, which prevents it from deteriorating in high-temperature environments.
  • Chemical Reactivity: CuSn12Ni2 is relatively unreactive with many chemicals, which makes it suitable for use in chemical processing and other related applications.

Mechanical Properties of CuSn12Ni2

  • Strength: CuSn12Ni2 has high strength and hardness, making it suitable for heavy-duty applications such as gears, bearings and bushings.
  • Ductility: CuSn12Ni2 is ductile, meaning it can be stretched or deformed without breaking, which makes it ideal for applications that require flexibility and durability.
  • Wear Resistance: CuSn12Ni2 has good wear resistance, which ensures that it can withstand frequent use without wearing down or breaking.
  • Fatigue Resistance: CuSn12Ni2 is resistant to fatigue, meaning it can withstand repeated stress without breaking or wearing down.
Molding process and nomination GC GZ GS
Tensile Strength Rm (MPa) 300 300 280
Rp0.2 0.2% proof strength (MPa) 180 180 180
A - Min. elongation at fracture (%) 10 8 12
Brinell hardness (HBW) 95 95 85

Thermal Properties of CuSn12Ni2

  • Coefficient of Thermal Expansion: The coefficient of thermal expansion of CuSn12Ni2 is relatively low, meaning it expands and contracts less with temperature changes than other materials, which makes it more dimensionally stable.
  • Thermal Shock Resistance: CuSn12Ni2 has good thermal shock resistance, meaning it can withstand rapid temperature changes without cracking or breaking.

In conclusion, CuSn12Ni2 offers a combination of physical, chemical, mechanical and thermal properties that make it a popular material choice in various industries. Its unique properties allow it to be used in a range of applications, from electrical components to marine equipment and its durability, strength and resistance to wear and corrosion make it a reliable and cost-effective material for manufacturers.

Notes on usage

The following components are used in applications with heavy loads: dome bricks, coupling pieces, spindle nuts, worm crown gears, screw crowns, valves, pump bodies, stators, impellers, and paddle wheels. The load characteristics for worm gears during continuous operation depend on the conduction velocity, with a range of 1.5 to 8 MPa. For intermittent loads, the range is 20 to 25 MPa.

 

The Advantages of CuSn12Ni2

  • High Strength and Durability

First of all, CuSn12Ni2 has high strength and hardness, making it suitable for heavy-duty applications such as marine equipment, bushings and gears. Its durability and resistance to wear and corrosion also make it an excellent material for long-lasting products.

  • Versatility

Broadly applied in electrical components, chemical processing and industrial machinery, CuSn12Ni2 is a versatile material that can be used in a wide range of applications.

  • Machinability

It is easy to cut and shape CuSn12Ni2 during manufacturing. This feature allows manufacturers to create complex shapes and designs using the alloy.

  • Cost-Effective

CuSn12Ni2 is a cost-effective material, meaning it offers high performance and durability at a relatively low cost compared to other materials such as stainless steel.
 

Industries That Benefit from the Applications of CuSn12Ni2

  • Marine Industry

CuSn12Ni2 is widely used in the marine industry due to its excellent corrosion resistance, making it preferable for marine components such as propellers, bearings and shafts.

  • Electrical Industry

With a high electrical conductivity, CuSn12Ni2 is a suitable material for electrical components such as connectors, switches and bus bars.

  • Automotive Industry

Being widely applied in the automotive industry, CuSn12Ni2 is consummate for bearings, gears and other components that require high strength and durability.

  • Aerospace Industry

Because of its high strength, thermal conductivity and wear resistance, CuSn12Ni2 is used in the aerospace industry for applications such as bearings, bushings and gears.

  • Industrial Machinery

CuSn12Ni2 is also used in industrial machinery for components that require high strength, wear resistance and durability, such as bushings, bearings and gears.

  • Chemical Processing Industry

To reach a certain corrosion resistance and high strength is required for applied materials in the chemical processing industry, making CuSn12Ni2 suitable for applications in this field such as valves, pumps and fittings.

  • Construction Industry

CuSn12Ni2 is used in the construction industry for its high strength and durability, making it suitable for architectural applications such as door handles, handrails and light fixtures.
 

Other Similar Copper Tin Alloy

 
Alloy Designation System Name
UNS C91700 Nickel Gear Bronze
EN CC483K (CuSn12-C) Tin Bronze
UNS C92500 Nickel-Phosphorus Gear Bronze
UNS C90800 Gear Bronze
UNS C90900 Tin Bronze
EN CC482K (CuSn11Pb2-C) Leaded Tin Bronze
EN CC481K (CuSn11P-C) Phosphor Bronze
EN CC480K (CuSn10-C) Tin Bronze
EN CC491K (CuSn5Zn5Pb5-C) Leaded Tin Bronze
 

CuSn12Ni2 Related Products

 

Copper Alloy Bushing -Tin Bronze

 

Bronze Gear-Nickel Aluminium Bronze

 

 

Bronze Tube by Centrifugal Casting

 

 

HSIN HUAN LUNG (HHL) The Leading Manufacturer

HSIN HUAN LUNG (HHL) is a leading processor of copper alloy that has been in business for over 30 years. We specialize in precision design and production, providing custom solutions to meet the needs of clients.

  • Advanced, Efficient and Professional Equipment

    HHL offers brilliant products with the most advanced High Frequency Induction Furnace, Vertical Centrifugal Machine, Horizontal Centrifugal Machine, Sand Preparation Equipment and Furan Equipment. With the constant introduction of high quality equipment, advanced technology and precision inspection instruments into our company, HHL presents products in the best quality.

  • Various, Optional Casting Techniques

    HHL provides various casting techniques including Sand casting, Centrifugal Casting, Furfuryl Alcohol Casting and Permanent Mold Casting to satisfy your needs.

  • Reasonable Pricing

    HHL offers competitive pricing for worm gears without compromising on quality. We work to provide cost-effective solutions that meet the needs and budgets of clients.

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    Over years, HHL assures our clients of high and stable quality. We build a team of experienced engineers and technicians who are experts in design and manufacturing, so that we can provide outstanding finished machined components to our clients.

 
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