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Overview of CuSn20 Powder

CuSn20 powder, commonly known as a bronze powder with a high tin content, is a specialized alloy powder highly valued in metallurgy, engineering, and manufacturing. Composed of 80% copper and 20% tin, CuSn20 powder is renowned for its corrosion resistance, durability, and suitability in high-wear applications. These attributes make it ideal for applications in various industries, including automotive, electronics, and machinery production.

In this guide, we’ll explore the specifics of CuSn20 powder—its composition, properties, applications, and advantages. We’ll look into different metal powder models, compare their uses and characteristics, and discuss how CuSn20 holds up against other powder types.

CuSn20パウダー
CuSn20 Powder 9

Composition of CuSn20 Powder

CuSn20 is a binary copper-tin alloy powder, where copper constitutes 80% of the composition, with the remaining 20% being tin. This composition is vital for its physical and mechanical properties, making CuSn20 well-suited for applications requiring both toughness and resistance to deformation.

エレメントComposition (% by Weight)
銅(Cu)80%
Tin (Sn)20%

Characteristics of CuSn20 Powder

The characteristics of CuSn20 powder are closely linked to its composition. The combination of copper and tin provides a balance between ductility and strength, alongside high corrosion resistance, which is why it is commonly used in harsh environments.

プロパティ説明
耐食性Exceptional, especially in marine and humid environments.
耐摩耗性High resistance to abrasive wear, making it ideal for bushings and bearings.
延性Excellent, allowing the alloy to be easily shaped and formed.
電気伝導率Moderate, which is lower than pure copper but sufficient for certain electrical applications.
熱伝導率Good thermal conductivity, aiding in heat dissipation in mechanical systems.
密度Approximately 8.9 g/cm³, suitable for components requiring substantial mass and stability.

Top Models of CuSn20 Metal Powder

1. CuSn20 Model A

  • 説明: This variant is optimized for high-density applications, commonly used in bearing components.
  • プロパティ: Enhanced thermal and wear resistance.
  • 用途: Bearings, bushings in automotive and aerospace.

2. CuSn20 Model B

  • 説明: High-purity version of CuSn20 with minimal impurities, suitable for applications requiring top-tier conductivity.
  • プロパティ: Superior conductivity and ductility.
  • 用途: Electrical connectors, high-end bushings.

3. CuSn20 Model C

  • 説明: Fine-grained CuSn20 powder ideal for precise applications.
  • プロパティ: High strength, suitable for small components.
  • 用途: Small-scale bushings, intricate mechanical parts.

4. CuSn20 High-Tin Variant

  • 説明: Contains slightly higher tin content than traditional CuSn20 for additional corrosion resistance.
  • プロパティ: Enhanced resistance to corrosion.
  • 用途: Marine applications, parts exposed to seawater.

5. CuSn20 Low-Tin Variant

  • 説明: Modified with lower tin content for increased hardness.
  • プロパティ: Higher hardness, reduced ductility.
  • 用途: Structural components, industrial machinery.

6. CuSn20 Alloy Powder X

  • 説明: A CuSn20 variant with added alloying elements to enhance machinability.
  • プロパティ: Improved machinability, lower friction.
  • 用途: Machined parts, custom components.

7. CuSn20 Nano Powder

  • 説明: Nanoscale powder designed for advanced additive manufacturing.
  • プロパティ: Superior powder flowability, suitable for 3D printing.
  • 用途: 3D-printed parts, intricate geometries.

8. CuSn20 Model High-Precision

  • 説明: Precision-grade powder for high-accuracy requirements.
  • プロパティ: Exceptional flow and distribution for high-precision applications.
  • 用途: Medical devices, micro-machined components.

9. CuSn20 Model Enhanced Conductivity

  • 説明: Optimized for higher conductivity, balancing copper’s natural properties.
  • プロパティ: Moderate electrical and thermal conductivity.
  • 用途: Electrical parts, thermal transfer systems.

10. CuSn20 Model Custom Alloy

  • 説明: Tailored alloy for unique, specific properties as per client’s requirements.
  • プロパティ: Flexible composition based on custom needs.
  • 用途: Specialty applications in custom machinery and electronics.

Applications of CuSn20 Powder

産業用途
自動車Bushings, bearings, gears
エレクトロニクスConnectors, conductive components
航空宇宙High-strength bushings, rotors
マリンCorrosion-resistant parts, hulls
産業機械Structural components, pistons
メディカルSurgical instruments, implants
3DプリンティングCustom parts, prototypes

Advantages and Disadvantages of CuSn20 Powder

メリットデメリット
優れた耐食性Higher cost compared to simpler alloys
Good balance of strength and ductilityModerate electrical conductivity
Reliable in harsh environmental settingsLimited ductility compared to pure copper
Suitable for high-wear applicationsTin can lead to brittleness in some forms

Specifications of CuSn20 Powder Models

モデルAverage Grain Size純度密度導電率
CuSn20 Model A20 microns99.8%8.9 g/cm³中程度
CuSn20 Model B25 microns99.5%8.9 g/cm³より高い
CuSn20 Model C15 microns99.2%8.8 g/cm³中程度
CuSn20 High-Tin Variant18 microns99.9%8.85 g/cm³Moderate, corrosion-resistant
CuSn20 Nano Powder1ミクロン99.6%8.7 g/cm³Enhanced for nanoscale applications
CuSn20パウダー
CuSn20 Powder 16

よくある質問

質問回答
What is CuSn20 powder used for?CuSn20 powder is primarily used in applications that require high wear resistance and corrosion resistance, such as bushings, bearings, and marine components.
Can CuSn20 powder be used in 3D printing?Yes, CuSn20 nano powders and fine-grained variants are often used in additive manufacturing and 3D printing.
What industries rely most on CuSn20 powder?Industries like automotive, aerospace, electronics, and marine engineering heavily use CuSn20 due to its durability and resistance to environmental factors.
How does CuSn20 compare to other bronze powders?CuSn20 offers a higher corrosion resistance than many other bronze alloys due to its tin content, though it may be less ductile than pure copper or lower-tin alloys.
What are the main advantages of using CuSn20 in machinery?Its high wear resistance, combined with good thermal conductivity, makes it suitable for high-friction parts, enhancing machine longevity.

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