Bubuk CuSn10

Overview of CuSn10 Powder

Serbuk CuSn10 adalah paduan tembaga-timah yang mengandung sekitar 10% timah dan sisanya tembaga. Paduan ini menawarkan kombinasi yang sangat baik antara kekuatan, keuletan, ketahanan korosi, ketahanan aus, dan sifat anti gesekan.

Key properties and applications of CuSn10 powder include:

CuSn10 Powder Properties and Characteristics

Properti	Detail
Komposisi	90% copper, 10% tin
Kepadatan	8,8 g/cc
Bentuk partikel	Tidak teratur, bersudut
Kisaran ukuran	5-150 mikron
Kepadatan yang tampak	Kepadatan sebenarnya hingga 50%
Kemampuan mengalir	Sedang
Kekuatan	Excellent for Cu alloy powder
Daktilitas	Bagus.
Ketahanan korosi	Sangat bagus

CuSn10 is widely used in bearing cages, bushings, welding rods, and wear parts across the automotive, electrical, and industrial sectors.

CuSn10 Powder Composition

Typical composition of CuSn10 powder:

CuSn10 Powder Composition

Elemen	Berat %
Tembaga (Cu)	Sisa
Timah (Sn)	9-11%
Timbal (Pb)	0.2% max
Seng (Zn)	0,5% maks
Kotoran lainnya	0,1% maks

• Copper provides excellent conductivity, corrosion resistance, ductility
• Tin improves strength, hardness, and wear resistance
• Lead, zinc, and other impurities carefully controlled

The optimized Cu-Sn ratio provides an excellent combination of strength, ductility, and manufacturability.

CuSn10 Powder Physical Properties

CuSn10 Powder Physical Properties

Properti	Nilai
Kepadatan	8,8 g/cc
Titik leleh	1020-1040°C
Konduktivitas termal	55 W/mK
Resistivitas listrik	7-9 μΩ-cm
Suhu rekristalisasi	150-250°C
Suhu layanan maksimum	250°C

• Density is higher than copper
• Melting point reduced compared to pure copper
• Maintains good conductivity
• Recrystallization enables powder compaction
• Dapat menahan suhu pengoperasian yang cukup tinggi

The physical properties allow use of CuSn10 in electrical components needing good conductivity and strength.

CuSn10 Powder Mechanical Properties

CuSn10 Powder Mechanical Properties

Properti	Nilai-nilai
Kekerasan	80-110 HB
Kekuatan tarik	350-550 MPa
Kekuatan luluh	220-320 MPa
Perpanjangan	10-20%
Modulus elastisitas	110-140 GPa

• Excellent strength for a copper alloy powder
• Significantly higher than pure copper powder
• Good ductility for 10% tin composition
• Hardness values suitable for wear applications
• Properties depend on production method and porosity

The mechanical properties allow use of CuSn10 powder in high strength electrical and friction components.

CuSn10 Powder Applications

Typical applications of CuSn10 powder include:

CuSn10 Powder Applications

Industri	Contoh Aplikasi
Otomotif	Bearings, bushings, brake linings
Electrical	Welding electrodes, connectors, contacts
Industri	Bearing cages, seals, impellers
Manufaktur	Sintered tooling components
Minyak dan gas	Bushings, ball valves

Beberapa penggunaan produk tertentu:

• Bearing cages requiring antifriction properties
• Bushing and thrust washers in high load applications
• Automotive brake pads and clutch linings
• Electrical connectors and pins
• Welding rods and solder paste filler metal
• Piping components like valves and flanges

Its excellent combination of strength, ductility, and cost make CuSn10 a popular choice for these applications.

CuSn10 Powder Specifications

The main specifications for CuSn10 powder include:

CuSn10 Powder Specifications

Standar	Deskripsi
ISO 44001	Copper and copper alloy powders – Specifications
ASTM B602	Standard specification for copper alloy powders
EN 1982	Specification for copper and copper alloys ingots and castings
JIS H2111	Bronze powders

Ini menentukan:

• Batas komposisi kimia
• Production method – atomization
• Required physical and mechanical properties
• Tingkat pengotor yang dapat diterima
• Distribusi ukuran partikel
• Testing protocols

Compliance ensures suitability for intended applications across global markets.

CuSn10 Powder Particle Sizes

CuSn10 Powder Particle Size Distribution

Ukuran Partikel	Karakteristik
5-25 mikron	Kelas ultrafine untuk kepadatan dan permukaan akhir yang tinggi
15-45 mikron	Common size for pressing and sintering
45-150 mikron	Larger sizes for better powder flowability

• Finer particles allow greater densification
• Larger particles improve powder flow properties
• Ukuran dipilih berdasarkan properti bagian akhir yang dibutuhkan
• Both spherical and irregular shapes are available

Controlling particle size distribution optimizes pressing characteristics and final sintered density.

CuSn10 Powder Apparent Density

CuSn10 Powder Apparent Density

Kepadatan yang tampak	Detail
Kepadatan sebenarnya hingga 50%	For irregular morphology powder
4.5-6.5 g/cc	Meningkat dengan kepadatan kemasan yang lebih besar

• Kepadatan semu yang lebih tinggi meningkatkan aliran bubuk dan kekompakan
• Density up to 60% is possible with optimized spherical powder
• High apparent density enables easier compaction into green parts

Kepadatan semu yang lebih tinggi menghasilkan produktivitas manufaktur dan kualitas komponen yang lebih baik.

CuSn10 Powder Production Method

CuSn10 Powder Production

Metode	Detail
Atomisasi	Melted alloy stream broken into fine droplets which solidify into powder
Induction melting	Pure copper and tin melted together under controlled atmosphere
Inert gas atomization	Prevent oxidation of particles during production
Pengayakan	Mengklasifikasikan bubuk ke dalam rentang ukuran partikel yang berbeda

• Automated atomization enables large scale production
• Controlled melting and atomization minimizes impurities
• Inert gas prevents powder oxidation
• Pasca-pemrosesan memungkinkan penyesuaian ukuran partikel

Strict process controls result in reliable powder quality and repeatable characteristics.

CuSn10 Powder Pricing

CuSn10 Powder Pricing

Faktor	Dampak pada Harga
Tingkat kemurnian	Higher purity increases price
Ukuran partikel	Finer powder is more expensive
Jumlah pesanan	Bulk pricing discounts apply
Metode produksi	Complex processes increase cost
Layanan tambahan	Kustomisasi menambah biaya

Harga Indikatif

• CuSn10 powder: $8-12 per kg
• Lower prices applicable for bulk orders >1000 kg

Pricing varies based on order parameters like quantity, particle size, purity level, alloy composition etc.

CuSn10 Powder Suppliers

CuSn10 Powder Suppliers

Perusahaan	Lokasi
Kymera International	AMERIKA SERIKAT
Hoganas	Swedia
Kelompok Bubuk CNPC	Cina
Bahan Bubuk CNPC Shanghai	Cina
Gujarat Reclaim Industries	India
American Chemet Corporation	AMERIKA SERIKAT

Faktor-faktor pemilihan pemasok:

• Powder sizes and lead time
• Customization capability
• Kapasitas produksi
• Packaging options
• Pricing levels
• Quality certifications and compliance

CuSn10 Powder Handling and Storage

CuSn10 Powder Handling

Rekomendasi	Alasan
Hindari penghirupan	Potensi iritasi pernapasan
Use protective mask and goggles	Mencegah konsumsi yang tidak disengaja
Pastikan ventilasi yang memadai	Mengurangi partikel di udara
Hindari sumber penyalaan	Bahaya debu yang mudah terbakar
Ikuti prosedur anti-statis	Mencegah kebakaran akibat pelepasan muatan listrik statis
Gunakan alat yang tidak menimbulkan percikan api	Avoids sparks during handling
Simpan wadah tertutup di tempat yang sejuk dan kering	Mencegah oksidasi dan penyerapan kelembapan

Rekomendasi Penyimpanan

• Store in stable, inert containers
• Keep away from acids, ammonia, acetylene
• Pertahankan suhu di bawah 27°C

Proper handling and storage preserves powder purity and prevents reaction hazards.

CuSn10 Powder Inspection and Testing

CuSn10 Powder Testing

Tes	Detail
Analisis kimia	ICP and XRF to verify composition
Distribusi ukuran partikel	Sieve analysis or laser diffraction
Kepadatan yang tampak	Uji flowmeter hall per ASTM B212
Morfologi bubuk	Pencitraan SEM dari bentuk partikel
Kerapatan ketukan	Kepadatan diukur setelah penyadapan mekanis
Analisis laju aliran	Laju aliran gravitasi melalui nosel yang ditentukan

Stringent testing ensures the powder meets the chemical composition, physical properties, and microstructure required for the application.

CuSn10 Powder Pros and Cons

Advantages of CuSn10 Powder

• Excellent strength for a copper alloy powder
• Keuletan dan kemampuan bentuk yang baik
• Ketahanan korosi yang sangat baik
• Cost-effective compared to bronze grades
• Konduktivitas listrik dan termal yang baik
• Dapat didaur ulang dan ramah lingkungan

Disadvantages of CuSn10 Powder

• Lower conductivity than pure copper powder
• Moderate high temperature strength
• Heavy compared to aluminum or magnesium alloys
• Not suitable for highly stressed structural components
• Surface discoloration over time if uncoated
• Limitations for food contact applications

Comparison With CuNi10 Powder

CuSn10 vs CuNi10 Powder

Parameter	CuSn10	CuNi10
Kepadatan	8,8 g/cc	8.9 g/cc
Kekuatan	350-550 MPa	500-650 MPa
Konduktivitas	55 W/mK	20 W/mK
Ketahanan korosi	Luar biasa	Sangat baik
Biaya	Rendah	Tinggi
Penggunaan	Electrical, moderate load	High strength structures

• CuSn10 provides better conductivity and cost
• CuNi10 has higher tensile strength
• CuSn10 preferred for electrical components
• CuNi10 suited for high strength structural parts

CuSn10 Powder FAQs

Q: What are the main applications of CuSn10 powder?

A: Main applications include bearing cages, bushings, welding rods, brake linings, antifriction components, and electrical contacts, connectors and brushes. It is commonly used in automotive and electrical products.

Q: Does CuSn10 powder require special handling precautions?

A: General precautions are recommended including avoiding inhalation, ensuring proper ventilation, controlling dust, preventing ignition sources, avoiding static charge buildup, using non-sparking tools, and storing in a dry, inert atmosphere.

Q: What affects the properties of CuSn10 powder parts?

A: Key factors are apparent density, particle size distribution, compaction pressure, sintering temperature and time, alloy composition, impurities, and porosity.

Q: What is the key difference between bronze and CuSn10 powders?

A: Bronze powders contain 90-95% copper while CuSn10 has 90% copper, 10% tin. CuSn10 provides an optimal combination of strength, ductility and cost.