CuSn50 Powder: Unbeatable Corrosion Resistance for Harsh Environments

Low MOQ

Provide low minimum order quantity to meet different needs.

OEM & ODM

Provide customized products and design services to meet unique customer needs.

Adequate Stock

Ensure fast order processing and provide reliable and efficient service.

Customer Satisfaction

Provide high quality products with customer satisfaction at the core.

share this article

Table of Contents

When it comes to choosing the right material for high-performance engineering applications, CuSn50 powder is one of the most reliable and versatile options out there. This high-tin bronze alloy is composed of 50% tin and 50% copper, offering a unique combination of corrosion resistance, strength, and wear resistance. If you’re looking for a material that can withstand harsh environments, especially in marine and industrial settings, you’re in the right place.

In this comprehensive guide, we’ll dive deep into everything you need to know about CuSn50 powder—from its composition, properties, and applications, to its pricing, specifications, and suppliers. We’ll also compare CuSn50 to other copper-tin alloys and explore its advantages and limitations in great detail. Whether you’re an engineer, manufacturer, or someone researching materials for a project, this guide is packed with useful, practical information written in an engaging, user-friendly tone.


Overview of CuSn50 Powder

What is CuSn50 Powder?

CuSn50 powder is a bronze alloy consisting of 50% copper (Cu) and 50% tin (Sn). This high-tin content makes it a standout material for applications requiring excellent corrosion resistance and wear properties. Due to its unique composition, CuSn50 is particularly suitable for marine environments and industrial machinery where components are exposed to high stress, friction, and corrosive elements.

The powder form of this alloy opens up a wide range of manufacturing possibilities, including powder metallurgy, 3D printing, and sintering. Its combination of strength, hardness, and resistance to corrosion makes it ideal for bearings, gears, bushings, and other load-bearing components.

Key Features

  • Exceptional corrosion resistance: Perfect for marine and industrial applications.
  • High wear resistance: Ideal for high-friction environments.
  • Good strength and hardness: Performs well in load-bearing applications.
  • Powder form versatility: Suitable for additive manufacturing and powder metallurgy.
  • High tin content: Enhances the alloy’s corrosion resistance compared to other bronzes.

CuSn50 Powder Composition

Understanding the composition of CuSn50 powder is crucial to appreciating its mechanical properties and applications. The high tin content gives CuSn50 its superior corrosion resistance and strength, making it a go-to material in industries where environmental durability is key.

CuSn50 Powder Composition Breakdown

ElementPercentage (%)Role in Alloy
Copper (Cu)50%Provides ductility, thermal conductivity, and machinability.
Tin (Sn)50%Enhances strength, wear resistance, and corrosion resistance.

The balance between copper and tin in CuSn50 is what sets it apart from other bronzes, offering a blend of mechanical strength and resistance to environmental factors like oxidation and acidic conditions.


Properties and Characteristics of CuSn50 Powder

The mechanical and physical properties of CuSn50 powder are what make this alloy so valuable in a wide range of industrial applications. Whether you’re looking for strength, corrosion resistance, or thermal conductivity, CuSn50 delivers in all these areas. Let’s break down some of its key properties.

Key Properties

PropertyValueExplanation
Density8.7 g/cm³High density ensures durability and mechanical strength.
Melting Range780°C – 1000°CSuitable for high-temperature applications.
Tensile Strength450 – 500 MPaHigh tensile strength, making it ideal for load-bearing components.
Hardness (Brinell)110 – 140 HBExcellent hardness, providing wear resistance in high-friction areas.
Electrical Conductivity5 – 8% IACSModerate conductivity, suitable for thermal management applications.
Corrosion ResistanceExcellentSuperior performance in marine and acidic environments.
Thermal Conductivity50 – 60 W/m·KGood for heat dissipation, especially in high-temperature environments.
MachinabilityModerateCan be machined but requires care due to its high tin content.

These properties make CuSn50 powder suitable for high-stress environments, particularly in applications where corrosion resistance and wear properties are critical. Its thermal stability also makes it a good candidate for heat management in industrial machinery.


Applications of CuSn50 Powder

Thanks to its unique combination of strength, corrosion resistance, and wear resistance, CuSn50 powder is used in a wide variety of industries. Whether you’re in marine engineering, automotive, or aerospace, this high-tin bronze alloy is a top choice for components that need to perform reliably under stressful conditions.

Common Uses

IndustryApplicationWhy CuSn50 Is Used
MarinePropellers, valves, pumpsSuperior corrosion resistance in saltwater environments.
AutomotiveBearings, bushings, gearsHigh wear resistance and strength for friction-heavy components.
AerospaceBearings, landing gear componentsHigh strength-to-weight ratio and durability in high-stress areas.
Industrial MachineryGears, dies, moldsHigh hardness and wear resistance for heavy-duty operations.
ConstructionArchitectural hardware, fittingsCombines aesthetic appeal with long-term durability.

Marine Applications

CuSn50 powder is particularly well-suited for marine applications. Its high corrosion resistance makes it ideal for components like propellers, valves, and pumps, which are constantly exposed to saltwater and harsh environmental conditions. What makes CuSn50 stand out in the marine sector is its ability to withstand corrosion over long periods, reducing the need for frequent maintenance or replacement.

Automotive and Aerospace Applications

In the automotive and aerospace industries, CuSn50 powder is often used in bearings, gears, and bushings that require high levels of wear resistance. Its strength and hardness make it ideal for components that are subject to constant friction and high levels of mechanical stress. In the aerospace sector, CuSn50’s strength-to-weight ratio is an added benefit for load-bearing components.


Specifications, Sizes, and Standards for CuSn50 Powder

When selecting CuSn50 powder, it’s essential to understand its specifications, sizes, and industry standards. These parameters will help you choose the right material for your application, ensuring optimal performance and durability.

Important Specifications and Sizes

SpecificationDetails
Particle SizeTypically ranges from 20 to 150 microns, depending on the application.
PurityTypically 99%+, ensuring consistent mechanical properties.
ISO CertificationAvailable from certified suppliers, ensuring product consistency and quality.
ASTM B505 StandardStandard for continuous cast copper alloy, including CuSn50.
FormAvailable as powder, ingots, or bars for different manufacturing needs.

Choosing the Right Size and Grade

The particle size you select for your application is critical. For additive manufacturing and powder metallurgy, smaller particles (20-50 microns) are better suited for precision components. Larger particle sizes (50-150 microns) are typically used in casting and sintering, where strength and mechanical properties are prioritized.


Suppliers and Pricing of CuSn50 Powder

If you’re considering sourcing CuSn50 powder, it’s important to know that prices can vary significantly based on factors like purity, particle size, and supplier reputation. Below is a breakdown of some of the top suppliers and pricing details for CuSn50 powder.

Top Suppliers and Pricing

SupplierPrice Range (per kg)Notes
American Elements$80 – $180Specializes in high-purity CuSn50 powder for industrial applications.
Höganäs AB$75 – $170Offers customized particle sizes for marine and aerospace uses.
Makin Metal Powders$70 – $160Known for producing high-grade copper alloys for various industries.
Belmont Metals$85 – $190Specializes in precision-grade CuSn50 powder for casting and sintering.

Factors Affecting Pricing

Several factors can influence the price of CuSn50 powder, such as:

  • Purity: Higher purity levels typically result in higher prices.
  • Particle Size: Finer powders tend to be more expensive due to the additional processing required.
  • Supplier Reputation: Established suppliers with a history of quality assurance may charge more for their products.

Advantages and Limitations of CuSn50 Powder

Like any material, CuSn50 powder has its advantages and limitations. While it’s an excellent material for many applications, it’s important to understand both its strengths and weaknesses, especially when compared to other copper-tin alloys.

Advantages

AdvantageWhy It’s Important
Superior Corrosion ResistanceIdeal for use in marine and acidic environments.
High Wear ResistanceExcellent for friction-heavy applications such as gears and bearings.
Good Strength and HardnessPerforms well in load-bearing components, reducing wear and tear.
Thermal StabilitySuitable for high-temperature applications like industrial machinery.

Limitations

LimitationWhy It’s a Concern
Moderate MachinabilityCan be more difficult to machine due to its high tin content.
Lower Electrical ConductivityLess suitable for electrical applications compared to other copper alloys.
Higher CostMore expensive than other alloys like CuSn6 or brass.

CuSn50 Powder vs Other Copper Alloys

When deciding whether to use CuSn50 powder for your project, it’s useful to compare it to other common copper alloys, such as CuSn6 and brass. This section will help you understand where CuSn50 excels and where it might fall short compared to other materials.

CuSn50 Powder Compared to Other Alloys

AlloyStrengthsWeaknesses
CuSn50 PowderHigh corrosion resistance, strength, and wear resistance.Higher cost compared to CuSn6 and brass.
CuSn6 AlloyBetter electrical conductivity and ductility.Lower strength and wear resistance compared to CuSn50.
Brass (CuZn)Affordable, easier to machine for low-stress applications.Poor wear resistance and corrosion resistance compared to CuSn50.
Pure CopperBest thermal and electrical conductivity.Lacks mechanical strength and wear resistance.

Why Choose CuSn50 Over Other Alloys?

  • Corrosion Resistance: In marine and acidic environments, CuSn50 outperforms brass and CuSn6 by a wide margin.
  • Strength and Wear Resistance: If you need a material for high-stress and friction-heavy applications, CuSn50 is a better choice than pure copper or brass.
  • Cost vs. Performance: While CuSn50 is more expensive than other alloys, its impressive performance in harsh environments often justifies the additional investment.

Frequently Asked Questions (FAQs)

FAQ Section

QuestionAnswer
What is CuSn50 powder used for?Common applications include bearings, gears, bushings, and marine components due to its corrosion resistance and wear resistance.
How much does CuSn50 powder cost?Prices range from $70 to $190 per kg, depending on purity and particle size.
What industries commonly use CuSn50 powder?CuSn50 is widely used in marine, automotive, aerospace, and industrial machinery industries.
How does CuSn50 compare to CuSn6?CuSn50 offers better wear resistance and strength, while CuSn6 has slightly higher ductility and conductivity.
Is CuSn50 powder recyclable?Yes, CuSn50 powder is recyclable, making it an environmentally friendly option for many industries.
Can CuSn50 powder be used in additive manufacturing?Yes, CuSn50 powder is suitable for 3D printing and powder metallurgy applications.
What is the melting point of CuSn50 powder?The melting range of CuSn50 powder is between 780°C and 1000°C, making it suitable for high-temperature applications.
Does CuSn50 powder require special machining tools?Yes, due to its high tin content, CuSn50 can be more difficult to machine and may require specialized tools.

Conclusion: Is CuSn50 Powder the Right Choice for Your Project?

In conclusion, CuSn50 powder is a high-performance bronze alloy that stands out for its corrosion resistance, strength, and wear properties. Whether you’re working on marine applications, industrial machinery, or automotive components, this alloy is an excellent choice for high-stress environments.

While CuSn50 may be more expensive than other alloys like CuSn6 or brass, its durability and reliability in harsh conditions often make it a worthwhile investment. Its ability to withstand friction, mechanical stress, and corrosive elements ensures that components made from CuSn50 will last longer, reducing maintenance and replacement costs in the long run.

By now, you should have a solid understanding of CuSn50 powder—from its composition and properties to its applications and cost considerations. Whether you’re sourcing materials or just exploring your options, CuSn50 powder is definitely a material worth considering for your next project.

Maybe you want to know more about our products

Get Latest Price